Operating Instructions Automatic Pump Recirculation Valve
Contents
1. 53 E M 1 SO K i i 5 54 SORES l 34 Ss i N I 52 a EN y 35 Kies e E RN Ly 93 linking S EN BS M EM Be a nange 49 Y X EN BEN XS S j 4 accessories MV Se SS PROS p SR nu x SSX R X J ze ah Be ios p e A ENG SOK SESS SN HUE E BS 7 gt N Z X N NORA JOE 7 S N N NS p er VAN 60 48 22 2 X NN NO 5 23 13 24 25 26 27 3 AA NN NN 40 p _ eke b 27 NS us i XA eo C seat 4 N N NN DN 40 DN 300 DNZD DN S N E NN 51 NPS 1 5 NPS 12 NPS 1 5 NPS 2 5 N Nae armour plated streched i 50 Z OW N T A N SN N 6 2 e js Ua 4 NS 7 i 53 17 41 18 32 19 33 Image 3 Valve Series Type 76 Position Designation Position Designation 1 Body 24 Orifice plate 2 Bypassflange 25 Orifice plate 3 Cover 26 Orifice plate 3 Start up flange 27 Orifice plate 4 Seat streched armour plated 30 Stud bolt 5 Disk 31 Hexagon nut 6 Bushing 32 Cylinder bolt 7 Lever 33 Lockring 9 Pin 34 Crown nut 10 Seal bushing 35 Safety element 11 Control plug 40 Spring 12 Cage bushing 41 Spring 13 Guide bushing 48 Sealing 15 Checkval2. sse 7 1 6 4 Sectional drawing example of PSG N Type 77 ssssssssseeeeeennnee 8 1 7 Identification of valv6S iiiuiiu iD icu r REST RIREECKEEoSESCMRAMR P RRCRSEDSRR MAR RRR SERE CREER 9 1 7 1 Notes on the nameplate ssseeeseisssssssssssseeeee eene 9 1 8 Test DIeSSUEIG S eod ooa piston ee Oe EL Ee Sede ubeEedE 10 1 9 Speci l ACCS SOMOS m A na 10 2 Transport Storage and Handling es esses 11 3 Description Technical Data eese 12 3 1 Function and mode of working eene 12 zXMANiciUecipiLli A c 12 3 3 Limitations on use and constructional design of valves 12 4 Installing the valve in the system ceres 13 4 1 Steps to take before installing the valve in the system 13 4 2 Installing the valy ieeenee tret ett enr eiua nona a aano ta so conata oan a ca oci 14 5 Commissioning 25 ice evi edo kapa a cisco kae ia cpu ex vwno SRM a a ERR eu a eR Re opu 15 AM ciues nee CD eL EM 15 T Error search ist uo eiie eae eer hei dp sn essence ee eee 16 8 Assembly and disassembly instructions 17 8 1 Disassembly Assembly Type 75 75 K eeeeeeeeeeeeeeeeeeeeeee 17 8 2 Disasse
3. the adjustment can take place on site within tolerances e Turn the adjusting nut 34 on the control plug 11 until the cascade area of the spindle has reached the seat in the seal bushing 10 e Now turn the adjusting nut 34 for specified revolutions in the reverse direction according to the specifications of the manufacturer e At last the adjusting nut 34 must be fixed in the new position with a safety element If it is not possible to lock it because the boring in control plug is out of the range of castle nut place appropriate plain washers under the castle nut At last you can reset the stroke Depending on the process data stroke and number of revolutions rpm is provided on the cover 3 8 4 Valve with check valve in bypass special accessory The check valves are to be replaced only if function troubles are noticed Conduct a optical check during annual inspection by opening the cover and or check with a rod whether the hood is still closing with a sound If the check valve needs to be replaced proceed as follows e Loosen the flange connection from the valve and pipelines and rotate the valve until it is disassembled If this is not possible remove the valve from the pipeline e Remove sealing ring and pull check valve from the bypass e Check and if necessary replace 8 5 Valves with starting flange special accessories Rinse off or remove the starting line for the valves provided with a starting fl
4. be removed before reaching the installation site For valves over 25 kg make sure that mounting rings for chain hoists are fitted at an adequate height above the installation site It would be even better if sliding rails or swivel arms with a hoist were available at the installation site Image 6 shows examples of handling methods during the fitting of valves Place the straps around inlet and outlet flange of the body Connect the valve to pump outlet flange and main line Please ensure that the right sealings not included in delivery are placed between the flanges Finally connect the bypass pipe to the valve strap 1 strap 1 d strap 2 strap 2 strap 2 mug NN Pid 5 d wu H BY des a vertical assembly b horizontal assembly bypass horizontal c horizontal assembly bypass vertical downwards Illustration 6 Lifting the valve for assembly disassembly in the pipeline 11 21 3 Description Technical Data 3 Description Technical Data 3 1 Function and mode of working HORA PSG N Valves protect feed water tanks by constantly maintaining required minimum flow For this purpose a part of flow is led back to the pump if operating flow volume is less than required minimum flow volume of the pump In order to keep the energy loss to the bare minimum the bypass of HORA pump safety valve s
5. pump That the bypass line is laid as specified in the specification sheet It is not allowed to position the bypass line vertically upwards The valve should be mounted directly on the pump outlet If the distance is larger than 1 5 meters inform the manufacturer about planned position for considering while designing the valve Ensure that the pipelines are connected free of stress without offset mismatch or longitudinal shifting Ensure that only matching seals screws and nuts not included in delivery are used for the flange fittings For welded in valves ensure that any work is carried out in accordance with the current regulations for welding work Do not attach polarization to the valve as the flow of current might damage important sliding pieces After welding is completed the pipeline will once again require cleaning The on site welding operations are not included in delivery The valve will have to be opened and any foreign matter removed see installation instructions TS Note Remove the internal members before welding Ensure the proper attachment of any other connections to the valve Valves and pipelines operated at high gt 50 C or low lt 0 C temperatures must be safeguarded against touch with insulation and appropriate warnings have to be attached to point out the hazards caused by touch The insulation will also absorb sounds 14 21 5 Commissioning Maintenance 5 Commissioning A Hazard Before commissio
6. sealings as described in Chapter 8 Leaking gaskets have to be replaced with new gaskets During operation through the manual start up line special accessories the bypassline must be closed The manual start up line must be opened The start up line must have a guaranteed free passage for flow and preferably should not contain any other valves If a slider or a ball valve is installed in the start up line this should be locked in the open position 6 Maintenance Inspect the valves once a year if necessary together with the pump inspection and check the internal members for damages Check all parts for abrasion cavitations erosion or in case long standstills for corrosion Replace damaged and or worn parts and sealings 15 21 7 Error search list 7 Error search list Error No Possible causes Measures Pump is running 1 1 inner parts are blocked by clean internal parts backwards impurities if necessary use a filter or clean 1 2 internal parts are damaged replace damaged parts continuous bypass 2 1 design conditional leakage Enquire the manufacturer about leakage volume at skin load volume for Type 75 75 K volume and compare 22 operating data does not adhere to operating data match with data specified in specification sheet inform supplier manufacturer 2 3 internal members are clean internal parts polluted 24 internal parts are damaged replace internal parts Fluctuation in the 3 1 minimum volume of pump info
7. sequence 8 3 Disassembly Assembly Type 76 and 77 see Image 3 and 4 Loosen hexagonal nuts 31 and remove the cover 3 18 21 8 Assembly and disassembly instructions A Danger Cover is under preload spring force if necessary use assembly tools e The cover 3 can be still impinged with a pressure force if the hexagonal nuts 31 are already loosened up to the end of the stud bolts Please check whether the cover can be pressed back by hand otherwise use assembly tools For this purpose screw two opposite stud bolts out of the body and replace with two longer stud bolts if not already available Screw on hexagonal nuts on the long stud bolts and finally release the cover and remove e After removing the spring 40 and the safety element 35 the adjusting nut 34 can be removed from the control plug 11 e Remove the disc 5 and the bushing 6 including three levers 7 from the body with two screwdrivers or withdrawal tool not included in the delivery bush 6 does not have a rim for this purpose e Remove the complete return checkvalve from the valve body This subassembly consists of Return checkvalve 15 bar sealing 53 54 stop bushing 16 guide bushing 17 flange 18 spring unit 41 cylinder bolts and lockrings 32 33 or countersunk screws 32 1 available according to nominal diameter 2 available according to pressure level e The standard unit consisting of seal bushing 10 control plu
8. spaces might lead to damage in the course of time Damages arising from rinsing and the use of caustic agents can lead to enforced idleness of the system and will prove very costly For this reason take the following steps after completing the service trial to ensure uninterrupted operation in the interest of the operator all valves must be 8 opened and checked for damages see installation instruction b repaired and parts renewed as necessary see installation instructions C properly installed and the packing of valves treated with caustic agents renewed see installation instructions In case of lasting impurities of the medium install a dirt pan with mesh width of 0 25 to 0 5 mm in the suction pipe as solid material can block the movement of internal members of the valve NHazard Valves are pressurized Improper dismantling of the valve operating gear or valve might result in a health hazard 13 21 4 Installing the valve in the system In addition to this check the following before installing the valve Do nominal and operating data shown on the nameplate match the operating data of the system The manufacturer will not be liable to the substantial damage to the valve that can result from differing data Is there enough space for installation or disassembly chain hoists for installation etc at the installation site Has the pipeline been rinsed and cleaned before installation If this is not the case the manu
9. 0 Seal bushing 35 Safety element 11 Control plug 40 Spring 12 Cage bushing 41 Coned disk spring 13 Guide bushing 48 Sealing 15 Check valve 50 Sealing 16 Stop bushing 51 Sealing 17 Guide bushing 52 Sealing 18 Ring flange 53 Ready made sealing 19 Diskspring guiding 54 Ready made sealing 22 Non return valve 60 Retaining ring 23 Trestle spare parts Table 4 Parts list for image 4 8 21 27 3 1 General Information 1 7 Identification of valves On the body or upper part of the valves you will find the following identifications e nominal width e PN class identification with or without the permissible maximum temperature TS or permissible maximum temperature and permissible maximum pressure as a pair of variates e material of body e name of manufacturer HORA e cast number e product name Series and or manufactorer no e flow direction arrow if required e ring joint number if required e CE identification for valves from category in accordance with 97 23 EU onwards only e Spindle stroke in mm and number of adjusting nut revolutions at Type 76 and 77 e manufact no The PN Class identification in accordance with EN 1092 and EN 1759 sets the minimum and maximum pressure temperature limits for the body material If the valve has no definite PN or class identification the permissible maximum temperature TS and maximum pressure PS are stated as a pair of variates The ident
10. Holter Regelarmaturen es co kc Heating Ventilation Air Conditioning Valves Industrial amp Power Station Valves Excellence is our standard CE Operating Instructions Automatic Pump Recirculation Valve PSG N Type 75 76 77 0507 111856 HORA GB Contens Contens COMICS cnin otc cof con ctis dede eae dete E anae CE aa ra aset cose ue ance ace 1 1 1 Address of Manufacturel cccccccccceeeeeeeeeeeeeeeeeeeneeeseeeeeeeeeeeeeeaeaeeseeeeeeeeeeeaneaees 2 1 2 Right to alteration and copyright sssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 2 1 3 Validity of operating instructions eeeeeeeeeeeeeeeeeeeeeenennn nnne nnne 2 1 4 Safety instructions and regulations ssssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 3 4 1 WARING OF MOLE e H 3 1 4 2 General safety instructions 5 eu casi aoe Se ee eh ee ee a EN te Mire tras 3 1 4 3 Qualified personnel vosncaviniseddcodedeneachianice nncadaeeborassiencddoteges alate sacasedenncesbueecncabeideuss 4 1 5 Warranty aes RE RE REEL ELE ME 4 1 6 Sectional drawings oriente eren seen sa etd e cr ened ec aeatecacbestedeceueasadeetece ats 5 1 6 1 Sectional drawing example of PSG N Type 75 and 75 K cccceeeeeeeeeeeeeeetees 5 1 6 2 Sectional drawing example of PSG N Type 75 T ssssssssssseeeeeeee 6 1 6 3 Sectional drawing example of PSG N Type 76
11. Stud bolt 3 Start up flange 31 Hexagon nut 4 seat 50 Sealing streched armour plated 6 Check valve 53 Sealing 7 spring 55 Sealing 10 Bypass bushing 70 Retaining ring 11 Non return valve 20 Orifice plate spare parts Table 1 Parts list for image 1 5 21 1 General Information 1 6 2 Sectional drawing example of PSG N Type 75 T Both Type 75 T are mounted in a cast straight way type 3 flange body deos 4 EE A non return valve accessoires 52 70 55 n 2 C seat 56 p Image 2 Valve Series Type 75 T Position Designation Position Designation 1 Body 30 Stud bolt 2 Bypassflange 31 Hexagon nut 3 Cover 50 Seal 3 Start up flange 52 Ready made sealing 4 Seat 53 Sealing streched armour plated 6 Check valve 54 Saeling 7 Spring 55 Sealing 10 Bypass bushing 56 Stopper 11 Non return valve 70 Retaining ring 20 Orifice plate 71 Safety element 21 Orifice plate 22 Orifice plate spare parts Table 2 Parts list for image 2 6 21 B start up flange accessoires 20 21 22 3 1 General Information 1 6 3 Sectional drawing example of PSG N Type 76 Both Type 76 are mounted in a cast straight way type 3 flange body
12. afety of labour prevention of accidents EU and any other safety regulations e Improper changes or reconstructions of the valves without prior consent by the manufacturer e Faulty mounting faulty commissioning or improper operation e Unsuitable or improper application any other use than the use intended as well as the use under other than the agreed application conditions Any violations against the restrictions above are in the case of injury to persons or damage to property entirely at the operator s risk 4 21 1 General Information 1 6 Sectional drawings The sectional drawings below show examples of the basic construction of valves 1 6 1 Sectional drawing example of PSG N Type 75 and 75 K Both Type 75 and 75 K are mounted in a cast straight way type 3 flange body I B start up flange 30 accessoires A non return valve accessoires pE ALA mi MEAT HHH TAIN E ZA 20 21 22 3 70 55 n 2 TN N C seat DN 25 DN 65 DN 32 DN 300 NPS 1 NPS 2 5 NPS 1 5 NPS 12 um ces POEM Image 1 Valve Series Type 75 75 K Position Designation Position Designation 1 Body 21 Orifice plate 2 Bypassflange 22 Orifice plate 3 cover 30
13. ange The starting flange is disassembled according to same instructions as for the cover disassembly 20 21 9 Certificate Modul H1 9 Certificate Modul H1 ANLAGENTECHNIK CERTIFICATE Quality Assurance System according to directive 97 23 EC Certificate No 07 202 5635 Z 0019 2 H Name and address of bearer Holter Regelarmaturen GmbH amp Co KG Helleforthstrafe 58 60 33758 Schlo Holte Stukenbrock We hereby certify that the manufacturer has established a quality system for the manufacturing of pressure equipment according to directive 97 23 EC The manufacturer is entitled to mark the pressure equipment produced within the range of the quality system with the following mark C 0045 Tested according to 97 23 EC full quality assurance with design examination and special surveillance of the final assessment modul H1 Test report No 5635P0019 2 H Range of products valves Place of manufacture Holter Regelarmaturen GmbH amp Co KG Helleforthstrafe 58 60 33758 Schlofi Holte Stukenbrock Osnabr ck 23 May 2002 Certification Body EC Reg No 0045 TUV Nord Anlagentechnik Tel 49 0 541 5823 260 Member of Rheinische Str 15 Fax 49 0 541 5823 269 D 49084 Osnabriick e mail hboewer tuev nord de AON E ANON URE ee CRSA IES ON Hora englisch Rev 1 01 00 CERTDGR 11 99 21 21
14. e to disassemble the internal members without removing the valve from pipe 8 1 Disassembly Assembly Type 75 75 K see image 1 The valve diagram 1 consists of a body 1 with screwed in bypass flange 2 and cover 3 The cover is screwed on the body with stud bolts 30 and hexagonal nuts 31 The bypass bushing 10 is screwed into the bypass flange 2 or body 1 The checkvalve 6 is lead in to the bypass bushing 10 area Flat sealings 50 53 or if required standard O rings can be used on the outside for sealings In addition there is a pressure spring 7 and a seat ring 4 in the valve Depending on the manufacturing seat rings not replaceable are available in stretched or armour plated version Please proceed as follows e Loosen hexagonal nuts 31 A Danger Cover is under preload spring force if necessary use assembly tools e The cover 3 can be still impinged with a pressure force if the hexagonal nuts 31 are already loosened up to the end of the stud bolts Please check whether the cover can be pressed back by hand otherwise use assembly tools For this purpose screw two opposite stud bolts out of the body and replace with two longer stud bolts if not already available Screw on hexagonal nuts on the long stud bolts and finally release the cover and remove 17 21 8 Assembly and disassembly instructions A Danger Note cover weight and if necessary hang up the cover in hoist e Take pressure sp
15. e warnings below do not take into consideration any additional regional local or in house regulations of companies and might have to be supplemented by the operator at his own responsibility 3 21 1 General Information 1 4 3 Qualified personnel According to these operating instructions a person is qualified if he she is familiar with the installation mounting commissioning and operation or maintenance of valves and possesses the recommended qualifications for the work The necessary and stipulated qualifications include among other things e Training or instruction in accordance with the Standards of Safety Engineering with respect to maintenance and use of adequate safety and the safety of labour equipment e First aid training 1 5 Warranty For the extent and duration of any warranties please see terms and conditions of delivery supplied by the manufacturer At any time the latest version at the date of delivery will apply No liabilities will be accepted for damages to valves which are the result of one or more of the following causes e Ignorance of or non compliance with these operating instructions e Insufficiently qualified installation operating or maintenance personnel e Common wear and tear e Faulty or careless treatment of the valves e Chemical electrochemical and or electrical influences In addition to this the manufacturer will not accept any liability for e Non compliance with regulations for the s
16. facturer will not be liable for any resulting damages Does the distance between the pipe ends correspond to the valve construction length If the optimal installation position of the valve i e with vertically placed valve spindle is not given please contact the manufacturer to discuss possible measures to be taken with respect to actuation forces Is the pipeline set up in a way that mechanical stresses e g forces and torques from pipeline expansion during operation vibrations etc during installation and operation will not affect the valve body possible availability of compensators Does the piping allow the continuous draining of condensate to avoid water hammer Ss Note A straight pipe or damping section with length approx 10 x DN before and after the valve will warranty control performance I Note To carry out installations during operation of the valve fit leak proof fittings and a bypass at an appropriate distance before and after the valve The valved off section of pipe must be drained tention If a slider or a ball valve is installed in the bypass line this should be locked in the 4 2 open position under any circumstances before start up Installing the valve Please pay attention to the following details during installation Remove the safety flaps directly before installation Ensure that the flow arrow on the body matches the flow direction of the pipeline A reverse flow direction can cause damages to
17. fety instructions It is the responsibility of the operator that current regulations for labour protection the prevention of accidents and EU regulations are observed during the installation operation and maintenance of any fittings Any persons put in charge of any measures described in these operating instructions must have read and comprehended these instructions Installation service and maintenance personnel have to practise safe working techniques during any measures taken and have to avoid any working practices which endanger the safety of persons or valves or would damage other property in any way Before the start of any maintenance and or repair work any electric cables leading to any valve operating gear must be disconnected in accordance with EU regulations by competent personnel Also ensure that the valves are free of pressure cooled down and empty NHazara The valves are pressurized and hot during operation Non compliance with warning signs could result in death severe injury or damage to property Only competent personnel see 1 4 3 must be allowed to work on the valves These persons must have thorough knowledge of all warnings the installation and the repair measures pointed out in these operating instructions The faultless and safe operation of the valves requires professional shipping storage installation and mounting as well as careful safety conscious operation and maintenance The notes above and th
18. g 11 cage perforated plate 12 bar sealing 53 54 and O ring 52 can be screwed out of the body only with a socket spanner special tool not included in delivery e Unscrew the cage 12 from the adjustment bush e Pull off the adjustment spindle 11 in the flow direction from the adjustment bush 10 e Remove the flange 18 the stop bushing 16 and if necessary guide bushing 17 by loosening the fastening screw 32 from the return checkvalve 15 e Clean all parts test and if necessary exchange and install again in the reverse sequence e t is absolutely necessary to inspect particularly the control plug 11 cascade area and the seal bushing 10 for damages caused by cavitations e Replace damaged and or worn parts and sealings e Re assembly is carried out in reverse order e Check the right stroke of the adjustment spindle before locking the cover e Correct the stroke if necessary with the adjusting nut 34 Dk attention Wrong stroke setting leads to damages 8 3 1 Stroke setting e Remover only the cover for setting the stroke refer to cover disassembly e The cover 3 can be removed from valve body 1 after loosening the hexagonal nuts 31 e Remover spring 40 and take out the safety element 35 e Loosen the seal bushing 34 from the control plug 19 21 8 Assembly and disassembly instructions TS Note This indicates that the shift point and the max flow volume can also be adjusted On request
19. hould be opened only wide enough to maintain the required minimum pump flow While closing the main line to boiler the full minimum flow volume passes through the bypass In addition to this the valve serves as check valve for main line not for bypass line Optionally a check valve can be integrated into the bypass 3 2 Intended use Valves of the product line described here are used for maintaining the minimum volume required by the pump for reducing the pressure of liquids and for blocking the main line in the pump direction Pressure in bypass is reduced in single stage or multiple stage method The valve may be used only in the previously mentioned pressure and temperature range and for operational data specified in the specifications sheet see also chapter 1 8 Each use for any other task deviating from the abovementioned agreed use as well as an operation higher than the allowed pressure and temperature proportions will be not be considered as agreed use Only the operator is responsible for risks towards humans or devices as well as other property The use intended also includes the compliance with regulations for the prevention of accidents and EU regulations as well as safety conscious working practices during any measures described in these operating instructions while observing generally accepted rules of engineering The control valve data sheet is part of these operating instructions If it is not enclosed please apply for it befo
20. ifications are supplied e inintegrated form cast engraved or stamped on the body or upper part of the valves e ona nameplate that is fitted to the body with grooved drive studs e on note plates flow arrow safety notes which definitely have to be observed which are connected to the valves in a way that prevents their accidental loss 1 7 1 Notes on the nameplate The nameplates provided are made of CrNi steel Image 5 shows the print blue RAL 5010 of the plates The additional details are engraved in the nameplates Fab No Code 4 GEER xcv IFdb No ss No CERA ORA fe CERD Image 5 Nameplate with and without CE identification The terms have the following meaning e Fab No Shows the allocation to a certain order The engraved number consists of a number with at least 8 digits The first two digits show the last two digits of the valves year of manufacture Example 02210330 would be a valve from the year 2002 as on control valve data sheet e Code item number of the valve in the system as on control valve data sheet e PSG N Shows the model of valve as on control valve data sheet e max To Shows the maximum operating temperature as on control valve data sheet e CE opas CE identification with code of the stated place 0045 T V Hannover Sachsen Anhalt 9 21 1 General Information 1 8 Test pressure For bodies made of cast iron or steel casting with flange connections the maximum permissib
21. ipment Non compliance might result in death severe physical injury or substantial damage to property 4 1 Steps to take before installing the valve in the system To remove scale welding residue and other impurities the system is usually rinsed and a caustic agent applied before running a service trial Before taking these measures pay attention to the following points If possible the valve should be replaced by a matching piece during rinsing and use of the caustic agent If this is not possible remove the internal members of the valve and rinse at low pressure Please read assembly and disassembly instructions Chapter 8 for disassembly the inner parts Note Switch off pressure reversing and reducing functions while removing the inner parts If this is not possible the customer planner has to arrange for the valve material to be tested for resistance to caustic agents If nessesarry we supply a sectional drawing with parts list and details on materials The valve has to be kept in 10096 off position during cleaning do not use it for control purposes of any kind Special inserts for control purposes are available for delivery after details of cleaning operation data have been supplied Rinsing and operations using caustic agents might result in danger to the interior of the valve through foreign matter and excessive differential pressures In addition to this acidic residues in the packing between the guides and hollow
22. le pressure is determined by the appropriate pressure level EN 1092 EN 1759 The test pressure would therefore be the 1 5 fold of the permissible pressure at room temperature If in addition to this the customer has stated outlay values for pressure and temperature or if no other values exist the formula below would be relevant PT 1 5 PS Rpo2 Rpo 2 For this applies PT PS Rpo 2 Rpo2t Test pressure permissible maximum pressure outlay pressure supplied by customer 0 2 expansion limit at 20 C 0 2 expansion limit at temperature TS in C outlay temperature supplied by customer If the generated test pressure deviates from the previously stated the body will additionally show the generated test pressure PT 1 9 Special acessories Possible special accessories might be Start up flange Non return valve in bypass 10 21 2 Transport Storage and Handling 2 Transport Storage and Handling Please observe the following rules when transporting or storing the valves e Store the valves in a dry place until installation e The transport and storage temperature should be kept between 20 C und 65 C e Protect the valves against force impact shock vibrations etc e Any damages to corrosion protection paintwork oiled surfaces etc are to be remedied immediately e Do not store more than 6 months e The drain plugs fitted in the interior of the valves for the protection of the flanges must not
23. mbly Assembly Type 75 T eeeeeeeeeeeeeeeeeee eene 18 8 3 Disassembly Assembly Type 76 and 77 eeeeeeeeeeeeeeeeeee 18 8 9 SMOKE SOMING oo RMMEMEMEM e tee ee be 19 8 4 Valve with check valve in bypass special accessory 20 8 5 Valves with starting flange special accessories 20 9 Zertifikat Modul FT cerca asec eb etus a obest etl haan 21 1 21 1 General Information General Information 1 1 Address of Manufacturer Holter Regelarmaturen GmbH amp Co KG HelleforthstraRe 58 60 Postfach 14 60 D 33758 Schlof Holte Stukenbrock D 33751 Schlof Holte Stukenbrock Tel 49 0 5207 8903 0 FAX 49 0 5207 88 037 e Mail mail hora de Internet http www hora de 1 2 Right to alteration and copyright Any regulations guidelines norms etc stated in these operating instructions correspond to the state of information during preparation and are not subject to alteration services It is the responsibility of the operator to ensure that the latest version is used at all times The company reserves the right to carry out technical alterations and improvements in connection with any technical data statements and images in these operating instructions at any time Claims for alterations or improvements on already delivered valves will be excluded Cop
24. ning a new system after alterations and repairs check that e all installation and mounting work has been finished properly e safe operation of the valve without hazards to persons or devices or the system is ensured Please also ensure the following Increase the main flow gradually by opening the operating line during start up when the medium is flown through the valve and finally close the operating line gradually again When the operating flow approaches the required minimum flow of the pump the bypass must open Detectable due to heating of bypass line or use a technical stethoscope The bypass flow must increase for a further reduction of operating flow If the operating line is closed the bypass flow has reached the required minimum flow volume Finally let the main flow rise to its maximum value Now the bypass line is closed 9 attention Product lines Type 75 do not seal 100 in this range A little leakage is still there Observe the valve Fill the line with appropriate medium before start up Bypass line must have a guaranteed free passage for flow and preferably should not contain any other valves besides a check valve If a slider or a ball valve is installed in the bypass line this should be locked in the open position Make sure that the valve interior is neither exposed to excess differential pressure nor to any medium rendered impure by scale welding residue sand etc Tighten possible loose cover and flange
25. re commissioning and compare it with the system identifications Deviations from the system and specification identification need to be clarified with the manufacturer before commissioning 3 3 Limitations on use and constructional design of valves A Hazard These state of the art valves will be operative for the use intended and for operation in accordance with the agreed and the data stated on the nameplate Operatibility might be impaired and result in hazards to persons and property if installation setting and or commissioning is not professionally carried out in accordance with these operating instructions the valve is operated at pressures and temperatures outside the values shown on the nameplate the valve is operated under environmental conditions with higher or lower than usual values atmospheric temperature air humidity dampness etc unsuitable or faulty accessories or spare parts are used Only use original accessories and spare parts 12 21 4 Installing the valve in the system 4 Installing the valve in the system Aea Safe operation of the valve requires proper installation and commissioning by competent persons in accordance with the warnings of these operating instructions Special attention needs to be paid to general installation and safety regulations for heating ventilation air condition and pipe systems as well as the proper use of tools welding devices and personal as well as other safety equ
26. ring 7 from the valve e Pull out the checkvalve 6 from the bypass bush for this and if necessary screw threaded rod not included in delivery into existing thread holes on the front side of the checkvalve for better handling A Danger Note the checkvalve weight if necessary request for assembly tool for horizontal checkvalve or support the checkvalve Hang up in the hoist as soon as possible e Take the checkvalve out of the valve e Screw the bypass bushing 10 out of the body with a socket spanner not included in the delivery e Clean all parts test and if necessary exchange and install again in the reverse sequence Replace the cover sealing under any circumstances e Replace the sealing 53 if available versions with seal weld is also an option only if a leakage is visible between cast body 1 and bypass flange 2 8 2 Disassembly Assembly Type 75 T see image 2 e Read and follow the disassembly instructions of Type 75 for disassembly the cover e Take pressure spring 7 from the valve e Take the sealing ring 71 out of the checkvalve and remove stoppers 56 e Screw the bypass bushing 10 out of the body with a socket spanner not included in the delivery Take bypass bushing 10 and checkvalve 6 out of the valve e Clean all parts test and if necessary exchange and install again in the reverse sequence Replace the cover sealing under any circumstances e The assembly takes place in the reverse
27. rm supplier manufacturer system is too low 3 2 Filter polluted Clean or replace the filter 3 3 operating data does not correct operating data match with data specified in specification sheet inform supplier manufacturer 34 internal parts are damaged replace internal parts 16 21 8 Assembly and disassembly instructions 8 Assembly and disassembly instructions NHazard Before starting any work take the following steps Work properly in accordance with EU safety regulations as well as the warnings and notes shown in these operating instructions Valves are pressure devices Each improper opening of the valve can be dangerous to your health The system should be pressure less and dry before disassembly Switch off the pump Lock the pipeline on both sides of the valve valving off of inlet outlet of pipe section Depressurize the pipe section even if only dismantling the actuator Allow the valve to cool down to room temperature Seek information e g on the safety data sheet EU directive 91 155 EWG about the pipe content and in all cases of hazardous material EU directive 67 548 EWG empty the pipe section Observe regulations on personal safety equipment stated on the safety data sheet Wipe up leakages e g on the valve stem immediately and or collect substantial amounts or residue of medium in a suitable container Dispose of medium residue in accordance with EU directive 75 442 EWG Ss Note It is possibl
28. ve 49 Sealing 16 Stop bushing 50 Sealing 17 Guide bushing 51 Sealing 18 Ring flange 52 Sealing 19 Tellerfederf hrung 53 Ready made sealing 22 Non return valve 54 Ready made sealing 23 Trestle 60 Retaining ring spare parts Table 3 Parts list for image 3 7 21 1 General Information 1 6 4 Sectional drawing example of PSG N Type 77 Both Type 77 are mounted in a cast straight way type 4 flange body SR xx A 3 A non return valve T EM x x N P B start up flange accessories 10 EN Su EN lt A WA 7 accessories XI e EA SER SIRNAS lt x SN D AN N E a lt a i qu Se NE Sf 60 48 22 2 A N 3 5423 13 24 25 26 S N C 40 Sf 27 a a 2 d C seat 4 N 30 DN 40 DN 300 DN 40 DN 65 51 larmo r plated piede N Le y AX i y N GGy 46 53 17 41 18 32 19 33 Image 4 Valve Series Type 77 Position Designation Position Designation 1 Body 24 Orifice plate 2 Bypassflange 25 Orifice plate 3 Cover 26 Orifice plate 3 Start up flange 27 Orifice plate 4 Seat streched armour plated 30 Stud bolt 5 Disk 31 Hexagon nut 6 Bushing 32 Cylinder bolt 7 Lever 33 Lockring 9 Pin 34 Crown nut 1
29. yrights for these operating instructions as well as any rights referring to the possible grant of a patent or utility patented articles shall remain the property of the manufacturer 1 3 Validity of operating instructions These operating instructions only apply to the valves Type 75 75 K 75 T 76 and 77 Please check that type designation and nameplate of valves match before any measures are taken especially when ordering any accessories or spare parts The regulations guidelines and notes referred to in these operating instructions apply to the European Union Operators outside the EU are responsible for the observation of the rules as a practical basis for the handling of the fittings and have to adapt these to the regional national regulations applicable for the installation site For any additional information or if you should encounter any special problems which are not dealt with sufficiently in these operating instructions please contact the supplier manufacturer directly 2 21 1 General Information 1 4 Safety instructions and regulations 1 4 1 Meaning of notes Hazara Signifies that there is a danger of death severe bodily injury or considerable damage to property if adequate measures are not taken Attention Signifies that there is a threat of damage to property or the environment through non compliance TS Note Signifies the hint of a possible advantage when recommendations are followed 1 4 2 General sa
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