Section 4. Operating.
Contents
1. 1 Cryostor 300 9911088 1439mm high x 818mm dia Cryostor 300 9911155 l 1550mmhighx900mm x900mm 1913mm high x 820mm x 820mm 0 1937mm high 820mm 1120mm PER Cataaory Cryostor 500 9911300 9911303 Type Certificate No Design Certificate No iioi nnn EC Certificate of Conformity Conformity Procedure used Modules H1 Cryostor 500 QR REDE Harmonized Standards Applied including parts clauses 10028 7 2007 EN 287 1 2004 EN 15614 1 2004 Standards Specifications Applied including parts clauses PD5500 2009 AD Merkblatt A2 2004 CGA Pamphlet 1 1 Section 5 9 1 EN 10088 2 1995 Notified Body Name BSI Notified Body No 0086 Address Maylands Avenue Hemel Hempstead England Post Code HP2 4SQ j A Jal e i F Ay HEF d r Approved For Engineering Approved For Production Approved For Quality Assurance Managing Director Issue 7 Date 08 01 2010 Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Written Scheme Of Examination Vessel Type Serial Number Name of Manufacturer Vessel service Details of site and application NEM MEER Part Number Usersreifplant No GNE The above referenced pressure vessel shall be subject to periodic examination as specified by this scheme2. 2 Using a small trimtool or screwdriver locate the adjustment E pre set RV2 Span and rotate at least ten times in an anticlockwise direction i T FIT a fe 5 3 Press the push switch on the front panel and rotate the adjustment pre set RV1 Zero until the meter needle reads zero 0 Cryogenics 4 With the indicator and probe fitted to an empty vessel Fill the vessel to trycock level and allow time for the vessel to chill Top up to trycock level again With the indicator and probe not fitted to vessel Immerse the probe in liquid nitrogen to desired full level and allow the probe to cool for at least five minutes 5 Press the push switch on the front panel and rotate the adjustment pre set RV2 Span until the meter reads full 100 6 Replace the front panel assembly being careful not to trap the wires Re fasten the four panel screws POINTS TO NOTE a It will be necessary to change the battery if the battery condition LED fails to light when the push switch is pressed The battery is housed behind the clear front panel which can be removed by releasing the four corner screws see fig 2 above The battery can now be removed from it s seat and replaced with one of similar type Care should be taken when replacing the front panel that the cable harness lies correctly and does not foul any internal parts b In the circumstances of the indicator probe assembly being used in cert
3. Pressure Valves Content Valve Protectors gauge Indicator amp Pressure Raising Regulator Please consult Statebourne if you have any doubts on the condition of your Cryostor Handling and Movement Care should always be taken when moving cryogenic equipment Failure to observe safe procedures may result in personal injury Extreme care should be taken when moving Cryostor units over uneven surfaces operators should ensure that the units are always under control and are stable If in doubt consult Statebourne Cryogenics or your Safety Officer Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 3 Commissioning Controlled Pressure Relief Even an extremely well insulated cryo tank will have heat transfer paths into the liquid and the pressure will slowly increase Normally the Cryostor will have a max working pressure of 3 barG Depending on the intended use or national regulations of the country of operation a lower working pressure may be required and the relief devices de rated to suit From the top of the inner vessel there are pipe circuits through which gas can be vented Two different alternatives are available Open TRYCOCK VENT and relieve pressure to the atmosphere N 1 4 4 i Pa 1 IL Dew E Pe i F Trycock Valve Relief Valve Should the pressure in the vessel reach the desired MAWP then the safety
4. STATEBOURNE 18 Parsons Road Parsons Industrial Estate Washington Tyne and Wear NE37 1EZ Operating instructions cry ostoi 1 X aut IM A 1 1 _ STATE bi aes Fr n j cryastar 97 ali E 33 0 WA iie COM CRYOSTOR 30 CRYOSTOR 60 CRYOSTOR 90 CRYOSTOR 120 CRYOSTOR 180 CRYOSTOR 240 www statebourne com Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com User Manual SECTION CONTENTS Introduction Safety Commissioning Operating Routine Maintenance amp Siting Replacement Parts Troubleshooting Du ee Schematic Diagrams Warranty Revision Log CE Declaration Of Conformity Written Sceme Of Examination PLEASE READ THIS MANUAL CAREFULLY BEFOR OPERATION Check that the filling delivery adaptors on the Cryostor correspond with those of the delivery tank hoses Ensure that all components used for filling or dispensing from the Cryostor are rated for the test pressure and temperature extremes of the donor or receiver system The Cryostor can be filled by pump transfer by overpressure from medium storage tanks or by gravity from low pressure storage tanks The Trycock is set at 95 of the gross vessel volume WARNING Overfilling of cryogenic vessels is hazardous and could lead to uncontrolled blowing of liquid The reason for this is that when the p
5. 4 at EY 4 7 ak F u 1000 z m mE pms TS 25 iw 1315 wall 0 W 5 I 5 BATTERY FITTED Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com 22 Section 9 Warranty SECTION 9 WARRANTY Product Warranty The Cryostor series of low pressure cryogenic dewars carry a vacuum warranty of 5 years from the date of shipment to the original purchaser of the equipment Additionally the Cryostor series is warranted to be free from defects in materials and workmanship for a period of 90 days Materials and component parts supplied or manufactured by other companies and sold by Statebourne are warranted for the same period of 90 days but only if so warranted by the original manufacturers and suppliers This Product Warranty shall only become operable if the purchaser of the equipment settles all outstanding amounts to Statebourne Cryogenics Ltd in accordance with its standard terms and conditions of sale Purchasers obligations under warranty 1 Inspect goods fully upon delivery 2 Give Statebourne written notice of any claim or defect within 7 days of the discovery of such defect 3 Return the said defective equipment freight prepaid to Statebourne Cryogenics 4 Usethe equipment supplied in accordance with published operating instructions 5 Touse only Statebourne appro
6. 422 Via the website using LIVE CHAT www statebourne com Customer services 44 0 191 416 4104 Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 3 Commissioning Preliminary Inspection On receipt of the tank it is worthwhile carrying out some basic checks to ensure that no damage has occurred during transit and that the unit is in operational condition Remove all packaging carefully after first examining its condition check all external surfaces for damage dents scratches and marks should be noted and Statebourne advised immediately If there is any doubt as to whether the container has been damaged then any paperwork from the transporter should have this noted Never use a container with apparent physical damage Adaptors Check if the adaptors on the vessel inlet outlet connections are compatible for the product to be carried as well as for the customer s operation Hoses Check that hoses are clean free of moisture contamination and without damage Pressure Head Inspection Remove the red threaded valve protectors from each outlet valve Check all valves for correct operation All handwheels should move smoothly and all fittings should be securely attached If there is any doubt consult Statebourne Check the pressure gauge for damage a cracked sight glass or loose casing can be dangerous Check that in an unpressurized condition the pressure gauge reads zero l
7. Indicator with Probe Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 3 Swivel castor Operational valve sequence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents Indicator with Probe Inlet 1 4 NPTM 1 4 NPTM 1 4 1 4 NPTM 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Inlet 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Inlet 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Fax 44 0 191 415 0369 Outlet 1 4 NPTF 3 8 NPTF 3 8 NPTF 3 8 BSPPF N A 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Outlet 1 4 NPTF 3 8 NPTF 3 8 NPTF 3 8 BSPPF N A 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Outlet 1 4 NPTF 3 8 NPTF 3 8 NPTF 3 8 BSPPF N A 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A No per vessel 1 1 1 BOC ONLY gt No per vessel 1 1 1 BOC
8. ONLY i i gt ok dA No per vessel 1 1 1 BOC ONLY i gt dA Email info statebourne com Section 7 Trouble shooting PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Vessel builds excessive pressure Vessel has been over filled If the vessel is filled past the vent trycock the or builds pressure too fast pressure may rise rapidly after a fill Pressure build regulator has been set improperly or the pressure builds and stays at a level unit is leaking higher than desired adjust the regulator to a new setting see section 4 If the pressure builds to the relief valve setting and the pressure build coil near the bottom of the tank is cold or frosted replace the regulator Vacuum is deteriorating This can be observed by cold or frost being evenly distributed over the outer jacket surface Refer to the troubleshooting section on frost Pressure Build valve is open Close the valve Cryostor pressure is too low Pressure build regulator is set too low Adjust regulator as section 4 Pressure build regulator is not operating properly Vessel has a leak Check for frost on lines or on top of head Listen for hissing soap test joints for leaks Isolate leak and call Statebourne for repair details Frost occurs around the circumference of the outer jacket 25 to 150mm from the bottom Frost occurs on head or kn
9. adjusting screw b Rotate adjusting screw anticlockwise to set to zero c Close TRYCOCK VENT valve and LIQUID FILL DECANT valves and open PRESSURE BUILD valve d Rotate adjusting screw clockwise to increase vessel pressure Adjust slowly and allow time for pressure building gas to build up through pressure building vapourizer Rotate adjusting screw anticlockwise until desired pressure level is indicated on pressure gauge e The pressure is now set tighten locknut to prevent rotation and tampering f The design of the regulator ensures that when the set pressure is reached the pressure building vapourizer coil is shut down g Vessels manufactured after Jan 1999 incorporate a self relieving regulator which will vent an excess of gas generated from natural boil off through a side vent hole when the vessel has not been used for a few hours h Vessels manufactured before Jan 1999 incorporate a non relieving regulator therefore when the dewar is not being used for periods of longer than 24 hours it s contents should be stored at atmospheric pressure with the TRYCOCK VENT valve open and the PRESSURE BUILD valve closed 3 WARNING Never set the regulator pressure above the relief valve setting as excessive boil off and wear to the relief valve may occur Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Section 4 Operating Liquid Withdrawal 1 Connect a suitable flexible transfer hose to
10. in accordance with the SI 2000 No 128 The Pressure Systems Safety Regulations 2000 All examinations shall be carried out by a competent person as defined by the regulations and assigned by otatebourne Cryogenics Ltd User Responsibility The user is responsible to ensure a written scheme is drawn up modified where necessary and reviewed by the competent person for continuing suitability for each vessel The user shall ensure examination is carried out as defined by the scheme The user shall ensure the vessel is not operated after e he date specified for any repair or modification to the safe working limits by the competent person has elapsed e he date specified for next examination under the scheme has elapsed e The date for next examination is legibly and durably marked and the mark is clearly visible The user is responsible to provide any person operating the vessel with adequate instruction for safe operation and action to be taken in case of any emergency The user shall ensure the vessel is properly maintained and in good repair so as to prevent danger Competent person Responsibility The competent person shall specify the nature and frequency of the examination The competent person shall issue a written report to the user within 28 days of completion of examination The report shall state e The parts examined the condition of those parts and the results of the examinations e Any repairs or changes to the safe operating
11. one or both of the LIQUID FILL DECANT valves from which the liquid is to be dispensed The outlet fitting on a Cryostor isa 1 2 BSPP Female fitting the hose will need to have a 1 2 BSPTM male fitting 2 Ensure that the pressure within the dewar is sufficient to allow transfer to occur A pressure of 10 PSIG 0 7 BarG is enough for most operations The Cryostor pressure must be kept above the process pressure to ensure reverse flow does not occur 3 Open the relevant LIQUID FILL DECANT valve liquid transfer should now occur 4 WARNING Never leave a dewar unattended while transferring liquid Gas Withdrawal 1 Connect a suitable flexible transfer hose to the TRYCOCK VENT valve 2 Open the PRESSURE BUILD valve The Cryostor pressure must Do pus Gee the process pressure to ensure reverse flow does not occur 3 Open the VENT valve to begin gas delivery The outlet fitting on a Cryostor is a 1 2 BSPP Female the hose will need to have a 1 2 BSPT Male fitting Adapters If the Cryostor is to be disconnected or to be moved it may be better to fit an adapter so that the female end of the hose together with swivel nut can be conected this will make removing the hose a lot easier The Adapter has a recessed cone connection so can link to hoses without the need for Teflon tape see picture Part Number 1401335 1 2 BSPT MALE TO 1 2 BSPPM ADAPTER Part No 1401335 1 2 BSPT MALE
12. relief valve will open and remain open until a controlled pressure has been achieved A bursting disc is also fitted as a secondary back up device The capacity of these safety devices are large enough to handle additional generated gases as a result of loss of vacuum plus fire engulfment In an extreme case should leakage occur on the inner vessel then the combined vacuum pump down and outer jacket relief port shown below will relieve the interspace overpressure by dropping out when the pressure reaches 2 to 3 PSIG SSS Vacuum pump down outer jacket relief port Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Section 4 Operating Filling With all initial checks completed satisfactorily the dewar may now be filled The operational valve sequence label on the side of the vessel describes the required valve settings 1 Ensure that all valves are CLOSED 3 Connect the decant hose on the supply dewar to one of the two LIQUID FILL DECANT valves on the Cryostor Ensure an in line relief valve is connected to one end between hose end and valve to relieve possible trapped gas in the line between two closed valves 4 Open the selected LIQUID FILL DECANT valve on the Cryostor to be filled 5 Open the liquid supply valve on the supply dewar liquid transfer should now begin The supply dewar pressure must be kept above the receiving dewar pressure to ensure reve
13. 801076 9702021 Cryostor 240 Part No 1901053 1801102 1801275 1801255 2001091 2101105 1701085 2201013 3101102 3101101 3803001 3801071 3801073 3801074 3801075 3801076 9702022 Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 4 Swivel castor with brake Operational valve sequence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents Indicator with Probe Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 4 Fixed castor 4 Swivel castor with brake Operational valve sequence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents Indicator with Probe Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 4 Fixed castor 4 Swivel castor with brake Operational valve sequ
14. TO 1 2 BSPPM ADAPTER Connection to American products Connection hoses from american manufactured products are usually a female CGA 295 fitting To connect the Cryostor to such a product you will need a BSPM1 2 to CGA295 Male connector Part No 1201382 fitted to the fill decant valve of the Cryostor Alternatively you can also use a statebourne hose which is a 1 2 BSPM to CGA295F 2 metre flexible hose Part No 3701106 for connecting the Cryostor directly to the American product 3 4 fittings can be required for larger hoses Part Number 1201382 Part Number 1201239 BSPM 1 2 to CGA295 3 4 Male fitting Male connector Adapter 1 2 to 3 4 Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 4 Operating LIQUID NITROGEN LEVEL INDICATOR WITH ANALOGUE DISPLAY PART NUMBER 9702167 DESCRIPTION AND OPERATION The Statebourne Level Indicator is a battery powered device housed in a tough ABS plastic case with a clear polycarbonate front panel sealed to IP65 Level indication is displayed by an analogue meter housed within the sealed case yet easily viewed through the clear front panel A sealed push to read switch on the front panel activates the indicator when pressed to give a level reading A red LED positioned over the meter scale lights to show that the battery condition is OK A measurement probe permanently attached to the underside of the unit senses the depth of liquid
15. ain R F fields the accuracy may be less than stated FOR SAFETY REASONS a DO NOT ATTEMPT TO DISMANTLE THE PROBE ASSEMBLY FITTINGS AT ANY TIME b DO NOT ATTEMPT TO REMOVE THE LEVEL INDICATOR CASE FROM THE PROBE ASSEMBLY AS THE INTERNAL WIRING MAY BE DAMAGED WHEN FITTING THE PROBE ASSEMBLY TO THE VESSEL MANIFOLD TIGHTEN ONLY BY THE PART INDICATED IN FIG 1 Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 5 Routine Maintenance and Siling SECTION 5 ROUTINE MAINTENANCE amp SITING External By simple periodic care and maintenance the service life of your Cryostor can be extended All external surfaces should be kept clean and free from oil and grease Servicing should only be carried out by competent personnel Check relief valves for satisfactory operation annually and replace if necessary Only fit parts compatible with the dewar if in doubt consult Statebourne In the United Kingdom the Cryostor series should be inspected to a schedule compatible with the PRESSURE SYSTEMS SAFETY REGULATIONS 2000 No 128 Failure to comply with the regulations requirements may mean that operating with the dewar is illegal If in doubt consult Statebourne In other countries the Government Health and Safety Authority should be consulted PERIODIC INSPECTION amp MAINTENANCE Introduction In order to ensure the continued safe operation of your Cryostor it is necessary to carry out regular p
16. are displayed at all times to ensure this Safety Signs available from Statebourne go to www statebourne com enter part number 3800150 in the search box Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Section 2 Safety First Aid Asphyxiation Loss of consciousness or dizziness while working with liquid gases are obvious signs of asphyxiation due to an oxygen deprived atmosphere At the first signs of this the subject should be moved as quickly as possible from the affected area If breathing has stopped apply artificial respiration and summon medical assistance immediately Cryogenic Burns Cryogenic burns have a similar effect on the skin to frostbite Similar method should be used in the treatment of both Re warm the affected area as quickly as possible in WARM water at about 40 C or by warm air Maintain general body warmth Do not rub or massage the affected area as this may cause more serious damage than already exists Seek medical advice as soon as possible Protective Equipment Cryogloves The wearing of a suitable pair of gloves is essential for day to day operations with liquefied gases Gloves generally fall into two categories Those for handling objects in cold gas vapours are usually gauntlets of mid arm or shoulder length For handling liquid dispensing hoses and dewars heavy duty leather wrist length gloves can be used Both are stocked by Statebourne part numb
17. date CR 3 03 13th issue 4 New instructions for mk 2 indicator 9702167 CR 6 03 14th issue 6 New part nos for BOC spec only relief valves added CR 11 04 15th issue 6 1801275 replaces 1801166 CR 12 06 16th issue All New pdf version created using Adobe CS5 TH CR AM 12 14 17th issue 5 Product and Part number changed TH 05 15 18th issue 8 P amp ID added to Schematic Diagrams TH KH 07 15 USEFUL CONTACT INFORMATION www statebourne com E Mail us at info statebourne com X NY Telephone us at 44 0 191 416 4104 Use Live Chat by logging in at www statebourne com t Send a diect message by going to www statebourne com contacts contact us Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com D V3 07 15 17th Issue 25 Section 1 Pressure Equipment Directive PRESSURE EQUIPMENT DIRECTIVE 97 23 EC THE PRESSURE EQUIPMENT REGULATIONS 1999 5 1 2001 DECLARATION OF CONFORMITY We hereby certify that the pressure equipment stipulated below complies with all the relevant provisions of the Pressure Equipment Directive and the National Laws and Regulations adopting this Directive Cryostor 30 99405 786mmhighx540ommdia 0 Cryostor o 99407 1 900mmhighx620mmdia 75 99144 1051mm high x 620mm dia gt SSS 1378mmhignx720mmda E ig Part Number Hm 2200 0 1 1 Cryostor240 99147 1645mmhighx690mmx 90mm
18. ence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents Indicator with Probe 1 5 Bar or 3 Bar relief valves are fitted not both Tel 44 0 191 416 4104 Inlet 1 4 1 4 1 4 NPTM 1 4 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A Inlet 1 4 NPTM 1 4 1 4 1 4 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A N A Inlet 1 4 1 4 NPTM 1 4 1 4 1 4 NPTM 1 4 BSPTF N A N A N A N A N A N A N A N A N A N A N A Fax 44 0 191 415 0369 Outlet No per vessel 1 4 NPTF 1 3 8 NPTF 15 3 8 1 3 8 BSPPF 1 BOC ONLY N A 1 1 4 BSPTF 1 N A N A N A N A N A N A N A N A N A N A N A oe Outlet No per vessel 1 4 NPTF 1 3 8 NPTF Us 3 8 NPTF 1 3 8 BSPPF 1 BOC ONLY N A 1 1 4 BSPTF 1 N A N A N A N A N A N A N A N A N A N A N A gt NUR a Outlet No per vessel 1 4 NPTF 1 3 8 NPTF a hes 3 8 NPTF 1 3 8 BSPPF 1 BOC ONLY N A 1 1 4 BSPTF 1 N A N A N A N A N A N A N A N A N A N A N A gt NS NSN Email info statebourne com Section 6 Replacemen
19. er 9701113 small part number 9701115 medium part number 9701117 large part number 9701119 xtra large part number 8701031 Aprons Face Shields and Hearing Protection Thermal aprons can also be worn to protect against Clear visors are available to protect eyes and face from liquid splashes liquid splashes part number 9701110 small part number 8701032 part number 9701111 medium part number 9701112 large part number 8701007 Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 2 Safely Footwear Appropriate safety footwear should be worn at all times Lightweight footwear and open sandals are not recommended for obvious reasons Wellington or loose fitting boots should be tied at the top to ensure that no liquid can enter As best protection use only approved safety footwear Oxygen Deficiency Monitors Ayuda REPE T Ln part number 9702141 part number 9702256 Analysis of the oxygen content in an atmosphere is often overlooked but can be one of the most fundamental safety measures A monitor can provide a constant analysis and thus increase safety Safety Posters part number 3800150 Statebourne s Customer Service Department will be pleased to help with any queries you might have about safety equipment Our advice is FREE You may contact us via e mail at sales statebourne com Via the website using the contact us page www statebourne com
20. gauge pressure regulator and an electronic contents indicator further explanation of the operation of these items is contained in section 4 All Cryostors 30 up to the 240 are fitted with castors Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Section 2 Safety Introduction In all cryogen handling the following appropriate safety guidelines are essential if damage to equipment and personal injury are to be avoided The following guidelines provide a basic level of instruction in the precautions necessary but are by no means exhaustive a comprehensive approach involving staff training on a recognized course is strongly recommended Liquefied Gases The potential hazards associated with liquefied gases are as follows They are extremely cold and can cause severe burns any injury of this nature should be treated as frostbite Liquid expands when vapourized into a gaseous state by a factor of between 538 CO2 and 842 LO2 times This means that a vapourizing liquid can cause a significant danger in an enclosed space Fire risk from aids to combustion such as oxygen enrichment Liquid Nitrogen The boiling point of liquid nitrogen is 196 C 77K The molecular weight of nitrogen is 28 Nitrogen gas is inert odourless tasteless and colourless Nitrogen gas is an asphyxiant Nitrogen liquid is odourless colourless slightly lighter than water and does not produce toxic or irritating vapou
21. he user shall ensure the vessel is not operated until the repairs or modifications have been carried out Modification and repair The employer of a person who modifies or repairs the vessel shall ensure the repair does not give rise to danger or impair the operation of any protective device Keeping of records The user shall keep the last report and any previous reports which will assist in assessing whether e The vessel is safe to operate or e Any repairs can be carried out safely Records shall be kept e For installed systems at the premises where the system is situated e For mobile vessels at the premises from which deployment is controlled Date Issue status Written by Approved by Competent person for and on behalf of Statebourne Cryogenics Ltd Accepted by Authorised representative for and on behalf of user owner Page 2 of 2
22. ible with liquid nitrogen and argon The inner vessel is supported by its own neck tube at the top and a low loss location support at the bottom Vacuum Space Pressure Relief The interspace pressure relief function is carried out by the evacuation port which is a 25mm stainless steel plug held in place by the atmospheric pressure acting upon the outer shell and it will simply fall out to relieve pressure built up in the vacuum space in the event of a catastrophic failure i e the inner vessel fracturing when full Safety Devices Pressure relief of the inner vessel is by dual safety devices A spring loaded pressure relief valve exists as the primary protection this can be factory set at up to 3 BarG although 1 5 BarG is more usual Pressure build up is released from the vessel as it exceeds the load exerted by the spring in its aperture as the pressure drops to below the spring s rating the aperture closes The secondary safety device is the one shot burst disc this is a fine nickel disc which has been designed to rupture at 4 BarG in the event of primary relief valve failure Once the disc has ruptured the vessel will no longer pressurize until a new unit is fitted Both primary and secondary devices on standard 1 5 Bar and 3 Bar units have threaded outlets to allow them to be piped away when the dewar is being used in a confined space Other Features In addition to above safety devices the Cryostor series also have a pressure
23. lanned period inspection and preventative maintenance The periodic inspection and maintenance regime should where required meet any local regulations and as an ab solute minimum include the following Visual inspection of tank all external components and lines Leak testing at the MAWP or main relief valve limit Functional testing of valves relief devices and contents indicator The suggested frequency for the above tests depends upon local conditions As a minimum the intervals between tests should not exceed three years The suggested testing scope is as follows Periodic Checks To be performed at between 1 and 3 yearly intervals Visual inspection of tank all external components and lines Check the dataplate is attached and check the tank is operating within design limits Check correct specification relief valve is fitted Check exhaust ports are free from obstructions Lift and reseat testing of relief valve to confirm correct operation Check pressure gauge condition and verify accuracy against calibrated unit Leak testing of all assembled joints at Primary RV pressure setting o Check correct function of pressure regulator Replace contents indicator battery where applicable check calibration and adjust where necessary Records A qualified or competent person should only carry out all inspection and maintenance operations on the Cryostor Series All operations should follow a written scheme of e
24. limits required to prevent danger The date by which repairs or modifications must be taken shall be specified e Specify the date after which the vessel may not be operated without further examination under the scheme e State whether the scheme is suitable for the purpose of preventing danger and if not any modification required with reasons for the modifications also stated ocheme of examination Yearly Checks Visual inspection of tank all external components and lines Check the dataplate is attached and check the tank is operating within design limits Check correct specification relief valve is fitted Check exhaust ports are free from obstructions Lift and reseat testing of relief valve to confirm correct operation Leak testing of all assembled joints at Primary RV pressure setting Check operation of contents indicator Replace battery check calibration and adjust where necessary Page 1 of 2 Written Scheme Of Examination TO 7 T Revisions E 5 Yearly Checks Check pressure gauge accuraoy against calibrated unit Heplace pressure regulator Replace Relief Valve Replace Burst disc Action in case of imminent danger Where in the opinion of the competent person there is imminent danger until repairs or modifications are carried out the written report shall be issued to the user directly with a copy sent within 14 days to the enforcing authority for the premises at which the vessel situated T
25. nitrogen in which it has been immersed A simple calibration procedure sets the low and high points to represent a zero and 100 per cent measurement on the meter scale see calibration The length of the probe is chosen to suit the particular vessel in which it is intended to be used SPECIFICATION INPUTS Power 1 x PP3 Style Battery MN1604 or similar Sensor 7 98mm OD Stainless Steel Coaxial Capacitor Length chosen to suit vessel BSPT Male Fixing Calibration Two point calibration see fig 2 Adjustment RV1 Zero Preset Adjustment RV2 Span Preset OUTPUTS Level Display 50mm moving coil analogue meter scaled 0 100 to represent a percentage of the full and empty calibrated points Accuracy 10 LED Lights when unit is activated Lights to show battery condition is OK PHYSICAL DIMENSIONS Height 82mm Width 80mm Depth 55mm Weight 0 25Kg without probe 0 75Kg with Cryostor 240 Probe Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 4 Operating CALIBRATION 1 Release the four panel screws and pull the front panel assembly away from the rear casing just enough to gain access to the two pre sets two pre sets 40 5l 1 4 s ES rcd lud dan NS A re Bu d ru a ra ys TT 1 m pz sp j ij E STATEBOUANE M cryogenicsM fig 2 four panel screws RV2 Span
26. ressure rises the boiling point also rises the liquid warms up and expands significantly The Cryostor is designed to be suitable for liquid nitrogen and argon only The manufacturer does not accept any responsibility where an unapproved media has been used The user is responsible for change in service procedures The vessel pipework and relief system has been designed so that overpressurisation cannot occur during or as a result of overfilling however the vessel should only be filled to trycock level and never beyond Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section Introduction General The Cryostor Series is a range of stainless steel self pressurizing dewars for the storage of liquefied gases at Cryogenic temperatures and at low pressures up to 3 Bar Whilst the gas is stored as a refrigerated liquid both gas and liquid dispensing functions can be performed by this unit to suit a wide range of applications Design amp Construction Design Criteria The Cryostor Series are all designed and built to pressure vessel standard PD5500 and CE marked in accordance with the Pressure Equipment Regulations 1999 No 2001 Each vessel comprises of an austenitic stainless steel inner tank enclosed in a larger outer tank of similar material The isolation system between the two vessels consists of high vacuum and multi layer high reflectivity super insulation The materials utilized are compat
27. rne com Section 8 Schematic Diagrams Dispensing Manifold o Key 2 3 4 9 6 Ys 8 9 LIQUID FILL DECANT 1 2 BSPP Female fitting TRYCOCK VENT 1 2 BSPP Female fitting LIQUID FILL DECANT 1 2 BSPP Female fitting PRESSURE BUILD PRESSURE REGULATOR PRESSURE GAUGE BURST DISC RELIEF VALVE EVACUATION PORT COVER Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 8 Schematic Diagrams P amp ID DIAGRAM em Key LIQUID FILL DECANT VALVE 1 2 BSPP Female fitting TRYCOCK VENT VALVE 1 2 BSPP Female fitting LIQUID FILL DECANT VALVE 1 2 BSPP Female fitting PRESSURE RAISE VALVE PRESSURE REGULATOR PRESSURE GAUGE BURST DISC RELIEF VALVE PUMP DOWN PORT SLM e Tel 44 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com 20 Section 8 Schematic Diagrams Content indicator fig 1 ee LED INDICATOR ET ae 9702187 Replace battery Ift LED daas light ee eee a 40 60 20 y 100 LEVEL DISPLAY PUSH TO READ SWITCH PANEL RELEASE SCREWS MU 1 SENSOR PROBE LENGH TO SUIT VESSEL Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Zil VIEW OF PRESETS WITH COVER REMOVED fig 3 RVI ZERO RESET RV2 SPAN RESET
28. rs Liquid Argon The boiling point of liquid argon is 186 C 87K The molecular weight of argon is 40 Argon gas is extremely inert odourless tasteless and colourless Argon gas is an asphyxiant Argon liquid is odourless colourless and significantly heavier than water Other Liquids As the Cryostor series are designed for use with the two liquids described above under no circumstances should storage of liquid oxygen helium carbon dioxide or nitrous oxide be attempted as personal injury and damage to equipment may result Ventilation Oxygen Depletion For a variety of reasons liquid gases should always be stored and used in well ventilated areas In the case of nitrogen argon and carbon dioxide the major risks are from asphyxiation and the extreme cold generated by the liquid and vapour In a confined space suffocation can occur rapidly as the oxygen is displaced a drop of only 2 in the oxygen content is enough to pose a significant risk In confined areas always use breathing apparatus or carry an oxygen deficiency monitor Condensed Air Due to extreme cold air on the outside of transfer tubes and dewars can condense and form liquid air Adequate ventilation should ensure that any risk from this occurring is minimized however a strict no smoking or naked flame rule must be observed Fire Precautions Do not smoke or permit open flames in any area where liquid gases are stored or used Ensure that prominent signs
29. rse flow does not occur Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 4 Operating 6 The vapour being displaced through the TRYCOCK VENT valve will eventually change to a stream of liquid as the Cryostor becomes full After this stream becomes constant close the liquid delivery valve on the supply dewar Close the LIQUID FILL DECANT valve on the Cryostor dewar and close the TRYCOCK VENT valve Trycock Valve Relief Valve and Burst Disk 7 must be taken when disconnecting the hose as pressure may still be present 8 The Cryostor may now be pressurized or its contents stored at atmospheric pressure for later use 8 WARNING Never leave a dewar unattended while filling NOTES Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com Section 4 Operating Pressure Building The Cryostor series have an integral pressure building vapourizer To withdraw liquid or gas the dewar must first be pressurized the procedure for this is as follows 1 Ensure that ALL VALVES are closed 2 Open the PRESSURE BUILD valve The pressure regulator is factory set at 15 PSIG 1 BarG but may be adjusted to suit user requirements between 2 PSIG and 20 PSIG 0 1 BarG and 1 4 BarG Regulator adjustments can be made as follows Adjusting screw Hexagon locking nut a Close PRESSURE BUILD valve and loosen hexagon locking nut below
30. t Parts SECTION 6 REPLACEMENT PARTS Cryostor 30 Part No 1901053 1801102 1801275 1801255 2001 091 2101105 1701085 2201013 3101100 3803001 3801071 3801073 3801074 3801075 3801076 9702017 Cryostor 60 Part No 1901053 1801102 1801275 1801255 2001091 2101105 1701085 2201013 3101100 3803001 3801071 3801073 3801074 3801075 3801076 9702018 Cryostor 90 Part No 1901053 1801102 1801275 1801255 2001091 2101105 1701085 2201013 3101100 3803001 3801071 3801073 3801074 3801075 3801076 9702019 Tel 44 0 191 416 4104 Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 3 Swivel castor Operational valve sequence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents Indicator with Probe Description Burst disc assembly 4 Bar Relief valve 1 5 Bar 22 PSI Relief valve 3 Bar Relief valve 1 5 Bar Pressure gauge 0 60PSI 63mm Pressure regulator 1 50 PSI set at 15 PSI Valve repair kit Evacuation port blow out cover 3 Swivel castor Operational valve sequence label Trycock vent label Liquid fill decant label Relief valve label Burst disc label Pressure build label Contents
31. uckle Residual frost remains from last fill or recent product use This is normal Ice may remain for days after a fill or heavy use Frost occurs evenly over the outer jacket Vessel has lost vacuum This is accompanied by high rate of pressure rise surface Vessel is building pressure with pressure build circuit This is normal if the vessel pressure is lower than the regulator pressure build setting or high loss rate Call Statebourne for return instructions Miscellaneous frost spots on vessels Vessel may have internal damage Call Statebourne for return or repair instructions In liquid delivery liquid is mixed with vessel pressure is higher than optimum for liquid Reset the vessel pressure for liquid use Also use a high amount of gas withdrawal phase separator in the end of the transfer hose Frost is residual from last fill or earlier use This is normal a ring of ice often remains on the vessel after last use or fill Content indicator not working Flat or faulty battery Check and or replace battery Internal connection broken due to the indicator being turned The copper joint between the brass screw and the circuit board should have no signs of damage if this has snapped a new content indicator will be required possibly a content indicator and full probe depending on the damage Check that this screw is tight Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebou
32. ved accessories and spare or replacement parts with the equipment 6 Not to permit alteration or repairs by others unless explicitly authorised in writing by Statebourne Cryogenics Failure to observe the above obligations will result in this product warranty being void Statebourne Cryogenics will not be liable for defects caused by normal wear and tear erosion corrosion fire or explosion Statebourne Cryogenics liability under this warranty will not exceed repair replacement or at its option original purchase price Additionally Statebourne will not be liable for any other losses including consequential losses damages or delay There are no warranties or guarantees either express or implied including any warranties of merchantability or fitness for particular purpose other than those specifically expressed herein Tel 44 0 191 416 4104 Fax 44 191 415 0369 Email info statebourne com ZS Section 10 Revision lag Issue No Section Revision Summary Authorized By Date 1st Issue JCH 1 96 2nd Issue 4 Filling and dispensing procedures amended suitable for twin fill decant model 6 Parts amended to show twin fill decant design eth issue 6 Part nos on 3 Bar R V and pressure regulator updated CR 1 99 4 9th issue Contents indicator calibration instructions updated KH 3 99 10th issue 6 Castor change to CS30 60 90 CR 4 00 11th issue Updated for PER 1999 regulations CR 5 02 12th issue 4 Regulator adjustment up
33. xamination and be noted with all recorded details maintained for future reference and review Users should consult their own particular Health amp Safety Regulations to ensure full compliance with local require ments User Note It is the responsibility of the person maintaining the Cryostor that all components used are safe and suitable for the intended application If in doubt consult Statebourne s Technical Department SITING For siting of the Cryostor indoors the building must be of non combustible construction be adequately vented and ideally be used exclusively for gas storage All relief devices should be vented externally As per above the ves sel should not be beneath or exposed by the failure of electrical power lines flammable or combustible liquid lines or flammable gas lines You may contact us via e mail at sales statebourne com Via the website using the contact us page www statebourne com Via the website using LIVE CHAT www statebourne com Customer services 44 0 191 416 4104 Tel 44 0 191 416 4104 Fax 44 0 191 415 0369 Email info statebourne com Section 6 Replacement Parts Cryostor 120 Part No 1901053 1801102 1801275 1801255 2001091 2101105 1701085 2201013 3101101 3803001 3801071 3801073 3801074 3801075 3801076 9702020 Cryostor 180 Part No 1901053 1801102 1801275 1801255 2001091 2101105 1701085 2201013 3101102 3101101 3803001 3801071 3801073 3801074 3801075 3
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