Globe / Needle Valve (DN10 (⅜”) – DN50 (2
Contents
1. Bestobell Valves President Park President Way Bestobell Valves Inc 270 Meadowlands Blvd Sheffield South Yorkshire S4 7UR Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Date of Issue 04 August 2010 Page 19 of 24 QF 80 Issue 2 Bestobell Valves Globe Needle Valve DN10 DN50 2 Heference Number IOM 002 Date 25 October 2012 Issue B STEP 20 Replace the gasket in the body with the new one from the spares kit Discard the old gasket STEP 21 Before replacing the headwork ensure the disc is in the open position by rotating the hand wheel anti clockwise Replace the headwork on the body with the disc in the open position so as not to damage the inside of the body and disc seal STEP 22 Bolted Bonnet olide the loose bonnet flange over the top of the cover and secure by hand by screwing in the four securing screws and washers Tighten to the torques shown on page 12 using a calibrated torque wrench Gradually tighten each screw frequently switching to opposite corners to ensure equal gasket loading STEP 22A Union Bonnet olide the union nut over the top of the cover and secure by hand then torque into position using the torque figures on page 12 using a calibrated torque wrench Then tighten the locking grubscrew in the side of the2. 12 Refit Refurbishment Method csccsccsscsccscscssssssssscsscsscscsssssacsacsacsscssccsccsscssssacsasssceeses 15 m 22 Se gie NETTE T TUUM 23 60 E E E 24 Date of Issue 04 August 2010 Page 3 of 24 QF 80 Issue 2 Z5 Hestobell Valves Z5 Hestobell Valves Disclaimer PLEASE NOTE If the valves produced by Bestobell Valves LNG are refurbished by a third party organisation that is not approved by Bestobell Valves LNG then the safety and performance will not be guaranteed and the warranty may be invalid If unsure about the installation and operation procedures for this valve please contact Bestobell Valves LNG Bestobell Valves has produced this manual in order to provide engineering personnel with sufficient general information to enable the operation installation and effective maintenance of the valve manufactured by Bestobell Valves In the interest of product development the designs and specifications for our products are constantly under review and we therefore reserve the right to make changes and improvements without notice This manual and the copyright therein are the property of PRESIDENT ENGINEERING GROUP and all information that it contains is confidential This manual must not be reproduced or disclosed nor must any information taken there from be disclosed without prior consent in writing of PRESIDENT ENGINEERING GROUP This document has been au
3. Date Date Date Date of Issue 04 August 2010 Page 24 of 24 QF 80 Issue 2
4. STEP 12 Remove the lock nut s from the disc holder Remove the seal retainer and store in a safe place Remove the disc seal and discard GO TO STEP 13 STEP 13 Replace the disc seal with the new one from the spares kit For cone seats GO TO STEP 13 For flat seats GO TO STEP 14 STEP 14 Replace the seal retaining circlip and ensure that it is seated correctly in the groove GO TO STEP 16 STEP 15 Heplace the seal retainer and secure in place with the lock nut s removed earlier Tighten to the torques shown on page 12 Date of Issue 04 August 2010 Page 18 of 24 QF 80 Issue 2 Bestobell Valves Globe Needle Valve DN10 DN50 2 Heference Number IOM 002 Date 25 October 2012 Issue B STEP 16 Remove the gland packing washers and spring from the inside of the gland area Take care not to scratch the inside of the gland area STEP 17 Clean the washers and spring Discard the original gland packing and replace with the new packing from the spares kit Arrange as shown and re insert into the gland NOTE Ensure the O seal is fitted into the top chevron STEP 18 He insert the stem into the cover Clean the gland follower and replace the lip seal using the new one from the spares kit Slide these down the stem into the gland after the gland packing STEP 19 ocrew on the gland nut after the gland follower Tighten to the torque shown on page 12 using a calibrated torque wrench
5. 37 NM 27 Ib ft 120 NM 90 Ib ft 305 NM 225 Ib ft e Apply torques across corners with a final tightening to avoid collar being set incorrectly in socket e Only use PTFE based lubricants e Torque specified is for lubricated Stainless Steel fasteners e On Cryogenic applications ONLY use specified Stainless Steel fasteners specified for valves with PTFE body bonnet gaskets Installation Method PLEASE NOTE The preferred orientation of the valve is vertical If the valve has to be installed at an angle it should not be less than 30 from the horizontal Progressively slacken the bonnet bolts in sequence to preserve conditions of internal gasket Remove the headwork before installation and cover the top of the body to protect the internals of the valve from particulate contamination Fully open the valve before removing the headwork and remember to keep clean i e place in original bag and protect the exposed PTFE face Date of Issue 04 August 2010 Page 12 of 24 QF 80 Issue 2 Z5 Restobell Valves Identify the intended flow direction and note the valves flow direction indicated by the flow direction arrow on the valve body Ensure all end connections to the valve are in line and that pipe work is supported to reduce unwanted stresses loading and vibration on the valve and system pipe work Ensure that all joining materials components used during the installation of the valve are compat
6. Bestobell Valves Globe Needle Valve DN10 DN50 2 Installation Operation and Maintenance Manual Heference Number IOM 002 Date 25 October 2012 Issue Bestobell Valves Inc 270 Meadowlands Blvd Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Bestobell Valves President Park President Way Sheffield South Yorkshire 54 7UR Date of Issue 04 August 2010 Page 1 of 24 QF 80 Issue 2 Z5 Hestobell Valves WARNING BEFORE ANY INSTALLATION AND MAINTENANCE WORK CAN COMMENCE ENSURE THE VALVE AND SURROUNDING SYSTEM IS DRAINED OF PRESSURE AND ISOLATED Date of Issue 04 August 2010 Page 2 of 24 QF 80 Issue 2 Contents BIBT T m m 4 jslifejelUe o p RET r 5 euim HH 5 wc m 5 6 Service MIM CI AIS 7 RR T LT 7 tic 7 E DEE 9 Hardware DoSCHOUON E i NSE Tar ir EES EENE EEEE 10 Installatiorr WAINTEN ANCE ccc 2esssasccecsacsusnececseavssecteseraessuwececvsatessenseeesasedeueseessaveesscerees 11 11 Torge 12 HVS CA MATION
7. cases are NOT waterproof and should be stored in a weatherproof location before use UNPACKING It is recommended that before any item is unpacked it should be moved as close as possible to its installed position This will minimise the possibility of damage during handling Before unpacking items should be checked to ensure their part number is in line with requirements and or the purchase order The valve should be inspected for damage upon receipt any problems are to be immediately reported to Bestobell This should be done within 48 hours of receipt of goods otherwise a warranty claim may be rejected It is further recommended that each item should only be unpacked immediately before it is required Before installation the engineer should check for e Damaged Packaging e Bent or Distorted Items e Scratches Dents or Damage Particular attention should be paid to the sealing faces on the end connection flanges TOOLS REQUIRED No special tooling is required for the installation of this valve Date of Issue 04 August 2010 Page 8 of 24 QF 80 Issue 2 Z5 Hestobell Valves Preparation WARNING BEFORE ANY INSTALLATION AND MAINTENANCE WORK CAN COMMENCE ENSURE THE VALVE AND SURROUNDING SYSTEM IS DRAINED OF PRESSURE AND ISOLATED Hemove the headwork before installation and cover the top of the body to protect the internals of the valve from particulate contamination Also ensure that enough room is left abov
8. union nut Bestobell Valves President Park President Way Bestobell Valves Inc 270 Meadowlands Blvd Sheffield South Yorkshire S4 7UR Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Date of Issue 04 August 2010 Page 20 of 24 QF 80 Issue 2 D Bestobell Valves STEP 23 P Replace the hand wheel over the end of the stem Replace the label and retaining nut tighten using a socket spanner STEP 24 Wearing the appropriate personal protective equipment PPE operate the valve to determine if the action is smooth He introduce the flow and operate again to check for any signs of leakage If any problems are encountered refer to the troubleshooting section of this manual Date of Issue 04 August 2010 Page 21 of 24 QF 80 Issue 2 A Restobell Valves Troubleshooting MISSING GASKET FIT NEW GASKET DAMAGED GASKET FIT NEW GASKET INCORRECT TORQUE SETTINGS TO HEADWORK LEAKING BONNET FASTENERS OR UNION NUT RESET TORQUE VALUES CLEAN SEAL FACES AND DIRT ON SEAL FACE REPLACE GASKET LOOSE END CONNECTION TIGHTEN CONNECTION PTFE TAPE NOT USED APPLY PTFE TAPE CLEAN THREADS AND LEAKING THREADED END DIRT ON THREADS USE NEW PTEE TAPE CONNECTION CHECK THREADS FOR DAMAGE RENEW ANY DAMAGED THREADED PARTS TIGHTEN TO CORRECT LOOSE END FL
9. ANGE FASTENERS TORQUE ALIGN FLANGES DO NOT CROSSED THREADS STRESS END MISALIGNED FLANGES MISALIGNED PIPE WORK WITH VALVE MISSING OR DAMAGED FLANGE GASKET RENEW FLANGE GASKET CLEAN FACE AND DIRT ON SEAL FACES REPLACE GASKET EXCESSIVELY TIGHT VALVE HEADWORK STEM AND OR STEM TUBE BENT OR REPLACE COMPLETE OPERATION DAMAGED HEADWORK ASSEMBLY TIGHTEN GLAND NUT TO LEAKING GLAND WORN GLAND PACKING SPECIFIED TORQUE RENEW GLAND PACKING AND RE TIGHTEN GLAND NUT TO SPECIFIED TORQUE GLAND CONTINUES TO LEAK AFTER TIGHTENING GLAND PACKING EXCESSIVELY WORN TIGHT OPERATION GLAND PACKING NUT TOO TIGHT CHECK TORQUE Date of Issue 04 August 2010 Page 22 of 24 QF 80 Issue 2 Z5 Hestobell Valves Contact Details For further maintenance instructions and spares contact United Kingdom Enquiries Bestobell Valves LNG President Park President Way Sheffield South Yorkshire 54 7UR England Tel 44 0 114 2240263 Fax 44 0 114 2784974 Email info bestobell lng com info bestobellvalves com Web www bestobell Ing com www bestobellvalves com United States Enquiries Bestobell Valves Inc 2 0 Meadowlands Blvd Washington PA 15301 Tel 1 724 746 3750 Fax 1 724 746 0940 Email sales conflowusa com Web www bestobellvalves com Date of Issue 04 August 2010 Page 23 of 24 QF 80 Issue 2 A Restobell Valves Service Record Valve Tag Number Date
10. R Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Date of Issue 04 August 2010 Page 16 of 24 QF 80 Issue 2 Bestobell Valves Globe Needle Valve DN10 DN50 2 Reference Number IOM 002 Date 25 October 2012 Issue B STEP 8 Hemove the grub screw from the union nut Loosen and remove the union bonnet GO TO STEP 9 STEP 9 Remove the headwork from the body STEP 10 Remove the stem from the cover NOTE Depending on the style of the seat the method for replacing the disc seal will vary For cone seats GO TO STEP 11 For flat seats GO TO STEP 12 STEP 11 Carefully remove the circlip from the end of the disc holder taking care not to damage the seal groove and store in a safe place Then remove the disc seal and discard Note old seal ptfe is black and the replacement seal pctfe is white on sizes 11 GO TO STEP 13 Bestobell Valves President Park President Way Bestobell Valves Inc 270 Meadowlands Blvd Sheffield South Yorkshire S4 7UR Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Date of Issue 04 August 2010 Page 17 of 24 QF 80 Issue 2 D Bestobell Valves
11. arlier Tighten to the torques on page 12 Union Bonnet Refit the headwork ensuring the disc is in the open position and replace any damaged gaskets and secure in place using the union nut removed earlier Tighten to the torques on page 12 When torqued in position re tighten the locking grubscrew in the side of the union nut Step 4 Testing Before introducing pressure to the valve carry out a thorough inspection of all connections welded and or threaded Once pressure is introduced to the valve a method appropriate to the medium being carried by the system should be employed to test for leaks Never use hands to test for leaks Step 5 Operation Check that the valve fully opens anti clockwise and closes clockwise smoothly by hand If difficulty is experienced refer to the troubleshooting section of this manual Note If unsure about the installation and operation of this valve please contact Bestobell Valves before you continue Date of Issue 04 August 2010 Page 14 of 24 QF 80 Issue 2 Jestobell Valves Globe Needle Valve DN10 DN50 2 Reference Number IOM 002 Date 25 October 2012 Issue Refit Refurbishment Method PLEASE NOTE Depending upon the size of valve and the Cone Seat Union Nut materials it is constructed from the bonnet can be either a bolted or union joint The seat design also varies and could be either a cone or flat seat therefore the refurbishment method w
12. e around the valve for the headwork once this is replaced after installation Identify the intended flow direction and match the valve orientation with its flow direction arrow Ensure that all end connections to the valve are in line and that the pipe work is supported to reduce unwanted stresses loading and vibration on the valve and system pipe work Ensure that all joining materials components used during the installation of the valve are compatible and will not cause any deterioration to the valve structure Date of Issue 04 August 2010 Page 9 of 24 QF 80 Issue 2 Bestobell Valves Hardware Description All materials used are selected for their suitability to function at cryogenic temperatures All valves are degreased for oxygen duty assembled in clean room conditions and sealed in robust polythene bags prior to despatch Maximum Working Pressure 50 bar 725psi Temperature Range 65 C to 196 C or 150 F to 320 F Only suitable for operation with media No Ar CH3 He CHF Kr He H2 C2H4 N2O SFe LPG LNG When using on COs the internal atmosphere must be dry and moisture free as bronze could be affected by carbonic acid These Globe Valves are supplied with stainless steel bodies bolted bonnet only and bronze bodies bolted bonnet and union bonnet extended and non extended stems with integral seat and renewable PTFE disc complete with bronze internals Availabl
13. e with socket weld and butt weld ends sockets for copper pipes and screwed female ends The valve is of the cone seat design for drop tight shut off The bolted bonnet version allows easy maintenance even in confined spaces with lower bolting torques required than for an equivalent size union bonnet valve The valve is operated by a hand wheel The hand wheel is turned clockwise to close the valve and anti clockwise to open Date of Issue 04 August 2010 Page 10 of 24 QF 80 Issue 2 Z5 Bestobell Valves Installation and Maintenance Spares Kit Reference Description SparesKit Wiper Seal Chevron Top 3 Osea ac Chevron Top ontac 4 Chevron Bottom 281006 Valves NENNEN NN Gasket Technical Sales Valve Seal Flat Anti Friction Disc Handwheel separate gasket and full headwork are also available upon request Please contact Bestobell Valves for specific part numbers Date of Issue 04 August 2010 Page 11 of 24 QF 80 Issue 2 Restobell Valve Torque Table Valve Size Disc Retaining Nut Disc Retaining Nut Nut Bolted Bonnet Bonnet Union Nut DN6 14 DN10 3 8 2 5 NM 1 8 Ib ft 16 NM 12lb it 48 NM 35 Ib ft DN15 72 16 NM 12 Ib ft DN20 34 wes 5 NM 3 7 Ib ft 54 NM 40 Ib ft 32 NM 24 Ib ft 68 NM 50 Ib ft DN25 1 ves 12 NM 8 8 Ib ft DN40 172 20 NM 14 7 Ib ft 57 NM 42 Ib ft 150 NM 111 Ib ft 32 NM 24 Ib ft DN50 2
14. ible and will not cause any deterioration to the valve structure Taper threaded end connections For valves with taper threaded end connections a good quality PTFE thread tape may be used Firstly tighten end connections by hand to reduce risk of cross threads before finally tightening with a suitable torque wrench See torque graph for Female taper threads For bolted bonnet type valve i e 4 retaining cap screws Progressively slacken screws in sequence to preserve conditions of internal gasket For union bonnet type valve Slacken locking grub screw before removing union nut Hemember to keep headwork clean i e place in original bag MAX TORQUE FOR BSP TAPER ENDS Torque NM TORQUE NM O 20 30 40 VALVE DIAMETER MM Date of Issue 04 August 2010 Page 13 of 24 QF 80 Issue 2 Z5 Restobell Valves Step 1 Flanged end connections Tighten flange fasteners progressively and in sequence at the same time as checking alignment of mating flanges Step 2 Welded Brazed End Connections After completing and checking the welded brazed end connections ensure the internal seat surfaces are clean and system pipe work is thoroughly flushed in preparation for re fitting the headwork Step 3 Refitting the Headwork Bolted Bonnet Hefit the headwork ensuring the disc is in the open position and replace any damaged gaskets and secure in place using the capscrews removed e
15. ill vary Bolted Bonnet STEP 1 Whilst the valve is still in the service line isolate it and drain off pressure Unscrew the hand wheel retaining nut lift off the label and save both parts in a safe place STEP 2 Lift off the hand wheel taking care not to damage the end of the stem otore the hand wheel in a safe place STEP 3 Using the appropriately sized spanner unscrew the gland locknut Bestobell Valves President Park President Way Bestobell Valves Inc 270 Meadowlands Blvd Sheffield South Yorkshire S4 7UR Washington PA 15301 Tel 44 0 114 224 0000 Fax 44 0 114 278 4974 Tel 1 724 746 3750 Fax 1 724 746 0940 info bestobellvalves com www bestobellvalves com sales conflowusa com www bestobellvalves com Date of Issue 04 August 2010 Page 15 of 24 QF 80 Issue 2 Bestobell Valves Globe Needle Valve DN10 DN50 2 Reference Number IOM 002 Date 25 October 2012 Issue B STEP 4 Unscrew the gland nut Hemove any debris from the stem STEP 5 Remove the gland nut and store this in a safe place STEP 6 Hemove the wiper seal and discard Remove the gland follower and store in a safe place For Stainless Steel valves GO TO STEP 7 For Bronze Valves GO TO STEP 8 STEP 7 Hemove the four securing screws and washers from the bonnet GO TO STEP 9 Bestobell Valves President Park President Way Bestobell Valves Inc 270 Meadowlands Blvd Sheffield South Yorkshire S4 7U
16. is de pressurised and isolated for the duration of the installation and during any subsequent maintenance The valve must be installed within a system that has adequate draining and venting provisions In cryogenic applications the area of pipe work to receive the valve must be allowed to reach ambient temperature It is essential that the installers and operators are conversant with all of the safety issues relating to the medium within the system and are fully trained to an adequate standard Wear safety glasses and gloves during any installation or operation of the valve Date of Issue 04 August 2010 Page 5 of 24 QF 80 Issue 2 Z5 Restobell Valves Valves must only be used in a circuit protected by suitable equipment The valve should be inspected for wear as part of a regular system maintenance programme Cryogenic burns can occur if the valve is handled during or after the valve has operated Minor leaks from the outlet side of the valve if allowed to build up in a confined area can be hazardous This can be avoided by dissipating into the atmosphere or a well ventilated area If valve is to be installed in hazardous climatic conditions or seismic areas please inform Bestobell Valves Ltd Identify the intended flow direction and match the valve orientation with its flow direction arrow Ensure that all end connections to the valve are in line and that the pipe work is supported to reduce unwanted stresses loading a
17. nd vibration on the valve and system pipe work Ensure that all joining materials components used during the installation of the valve are compatible and will not cause any deterioration to the valve structure When using on COs the internal atmosphere must be dry and moisture free as any bronze components could be affected by carbonic acid DO NOT check leaks with hands Cleanliness Immediately after assembly in a controlled clean room the valve is sealed in an airtight plastic bag to maintain cleanliness As such it is essential to maintain this cleanliness throughout all stages of installation Particular care should be taken not to contaminate the internals of the valve with grease moisture grinding dust weld brazing spatter etc Clean practices will save time later with reduced flushing and maintenance Date of Issue 04 August 2010 Page 6 of 24 QF 80 Issue 2 Z5 Restobell Valves Service Intervals Bestobell Valves recommends that a major service is carried out on its valves in line with the procedures contained in this manual every 2 years In addition to this a regular inspection should take place to ensure correct operational condition Regular inspections are suggested on a monthly basis and maintenance work should be carried out in line with this service manual It is recommended that the Service Record Sheet enclosed be fully completed at every service interval Installation Personnel car
18. rying out Assembly Joining Welding Inspection must be adequately trained and hold the necessary approvals Valves should be installed in a vertical position and not less than 30 from horizontal for angles less than 30 a longer extension may be required please contact Bestobell Valves Ensure that environmental conditions atmospheric pollution are compatible with the valve materials NOTE Ensure there is enough space around the valves installed position to allow the removal and refit of the headwork valve Installation Overview The quality of performance in service is a function of the care taken to ensure good installation A careful study of these instructions is therefore recommended as properly installed equipment will normally operate for long periods without problems The most critical point in the lifetime of a valve is the time of installation therefore proper care at this stage and during any maintenance will increase the probability of trouble free valve service It is important to maintain cleanliness throughout all stages of the installation with particular care being taken not to contaminate the internals of the valve with grease moisture grinding dust weld brazing spatter or other foreign matter Clean practices will save time later with reduced flushing and maintenance Date of Issue 04 August 2010 Page 7 of 24 QF 80 Issue 2 Z5 Hestobell Valves STORAGE The equipment packing
19. thorised for use by M Cte Son l Iz Odi ta HAN Date of Issue 04 August 2010 Page 4 of 24 QF 80 Issue 2 Z5 Restobell Valves Introduction Outline This manual is broken down into separate sections e Introduction This section provides information about important safety requirements as well as highlighting the precautions taken at Bestobell Valves to ensure the cleanliness of our products Details regarding servicing are also introduced e Installation This details the method of installing the valve on site and includes information on storage unpacking and inspection Preparation of the valve and site is also discussed to allow ease of installation and operation e Hardware Description Introduces the product as well as providing a more detailed description including operating conditions and suitable media Any further requirements for the effective operation of the valve are also discussed e Maintenance Provides information relating to the on site maintenance of the supplied valve as well as discussing common problems and solutions Safety Read and understand these instructions before installing the valve Improper installation operation or maintenance by the owner or operator of this valve can result in personal injury Only use genuine Bestobell Valves spares to ensure safe and optimum performance Prior to the installation of the valve into the system and any maintenance work ensure the system
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