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EB 2723 EN

Servicing

7.4 Tightening torques and lubricant

Refer to Fig. 3

Component

Valve size

Tightening torque in Nm

Stopper (1.1)

DN 15 to 25

DN 32 to 50

110

Seat (2)

DN 15 to 25

DN 32 to 50

110

Plug nut (3.2)

DN 15 to 25

DN 32 to 50

Plug nipple (3.5)

DN 32 to 50

110

Guide nipple (3.6)

DN 15 to 25

Coupling nut (4)

DN 15

200

DN 20

250

DN 25

300

DN 32

400

DN 40

600

DN 50

800

Control line connection (11)

DN 15 to 50

Body screws (13)

DN 15 to 32

DN 40 to 50

Diaphragm plate nut (15)

DN 15 to 25

DN 32 to 50

Lubricants

Item no.

Gleitmo 591

8150-0111

Change the nameplate and configuration ID

after changing the set point range.

Note

Содержание 44-4

Страница 1: ...ructions EB 2723 EN Type 44 7 Excess Pressure Valve Type 44 4 and Type 44 8 Safety Excess Pressure Valves SEV Self operated Pressure Regulators Edition March 2019 Type 44 7 Excess Pressure Valve Red b...

Страница 2: ...fter sales Service Department aftersalesservice samson de The mounting and operating instructions for the devices are included in the scope of delivery The latest documentation is available on our web...

Страница 3: ...on 18 4 1 Unpacking 18 4 2 Transporting and lifting 18 4 3 Storage 18 4 4 Preparation for installation 19 5 Mounting and start up 20 5 1 Mounting positions 20 5 2 Additional fittings 21 5 3 Start up 2...

Страница 4: ...Contents 4 EB 2723 EN 9 Decommissioning and removal 33 9 1 Decommissioning 33 9 2 Disposal 33 10 Appendix 34 10 1 After sales service 34 10 2 Spare parts 34 10 3 Certificates 37...

Страница 5: ...imits and fields of application as well as possible uses Reasonably foreseeable misuse The regulators are not suitable for the following applications Use outside the limits defined during sizing and b...

Страница 6: ...ecautions They must observe all hazard statements warning and caution notes in these mounting and oper ating instructions especially for installation start up and service work We also recommend checki...

Страница 7: ...the rare incident of an operating fault As a result they do not fall within the scope of Di rective 2014 34 EU For connection to the equipotential bonding system observe the requirements specified in...

Страница 8: ...ut off the external control line Risk of personal injury due to residual process medium in the regulator While working on the regulator residual process medium can escape and depending on its properti...

Страница 9: ...he lubricants to be used depend on the regulator material Unsuitable lubricants may corrode and damage the surface Only use lubricants approved by SAMSON Risk of leakage and regulator damage due to ex...

Страница 10: ...r of manufacture 4 Type designation 5 Pressure rating PN 6 KVS coefficient 7 Perm temperature in C 8 Set point range in bar 9 Max perm differential pressure p in bar 10 Arrow indicating the direction...

Страница 11: ...nd out which material is used The configuration ID is specified on the name plate 2 configuration ID and device index For more details on the nameplate see sec tion 2 1 2 3 Warnings The red adhesive l...

Страница 12: ...lator between seat and plug in the direction indicated by the arrow on the body The po sition of the valve plug determines the flow rate and as a result the upstream pressure The upstream pressure p1...

Страница 13: ...projection 5 11 12 7 Type 44 4 SEV Turned into the plane of projection p 2 p 1 16 1 1 1 3 2 11 17 6 6 1 5 1 2 Type 44 8 SEV DN 32 to 50 body with screwed ends 3 1 3 4 3 6 3 3 Type 44 8 DN 32 to 50 fl...

Страница 14: ...ype test The Type 44 4 and Type 44 8 Regulators have been typetested as safety excess pres sure valves SEV by the German Technical Inspectorate T V The test mark is available on request 1 With seals m...

Страница 15: ...bar 2 4 to 6 6 bar 6 to 11 bar Type 44 4 SEV Type 44 8 SEV 1 to 4 bar 2 2 to 4 4 bar 2 4 to 6 6 bar 6 to 11 bar Leakage class according to IEC 60534 4 0 05 of KVS coefficient Compliance Max perm ambie...

Страница 16: ...3 26 9 33 7 42 4 48 3 60 3 Connection R G G 1 G 1 G 1 G 2 G 2 Width across flats SW mm 30 36 46 59 65 82 Height H Type 44 7 mm 230 250 390 Type 44 4 mm 235 1 393 Type 44 8 mm 235 250 395 Height H1 mm...

Страница 17: ...lding ends Type 44 7 Body CC499K Type 44 4 Type 44 8 Body CC499K L L 1 D SW R d H H1 D L 36 L 1 SW R H1 H d Version with flanged valve body Type 44 4 Type 44 7 and Type 44 8 Body spheroidal graphite i...

Страница 18: ...mmediately Protect the device against moisture and dirt Observe the permissible ambient tem peratures see section 3 1 Note 4 3 Storage Risk of regulator damage due to improper storage Observe storage...

Страница 19: ...t can provide more detailed storage instruc tions on request Tip 4 4 Preparation for installation Proceed as follows Flush the pipelines The plant operator is responsible for clean ing the pipelines i...

Страница 20: ...s Install Type 44 4 Type 44 7 and Type 44 8 with the actuator housing suspended down ward in horizontal pipelines Installation conditions Make sure that the regulator remains freely accessible after t...

Страница 21: ...must be observed during installation of the strainer Install the strainer upstream of the Type 44 7 Regulator Allow sufficient space to remove the filter Observe the flow direction NOTICE NOTICE In h...

Страница 22: ...ressure surges Make sure that the air contained in the plant when liquids are used escapes as quickly as possible DANGER NOTICE 6 Operation 6 1 Adjusting the set point Refer to Fig 3 Adjust the requir...

Страница 23: ...ective equipment Risk of personal injury due to residual pro cess medium in the regulator While working on the regulator residual process medium can escape and depending on its properties may lead to...

Страница 24: ...t can support you in drawing up an inspection and test plan for your plant NOTICE Note Note Tip 7 1 Cleaning and replacing the seat and plug Risk of personal injury due to preloaded springs Regulators...

Страница 25: ...1 Put the regulator out of operation see section 9 1 2 Completely relieve the tension from the set point spring 8 by turning the set point adjuster 10 counterclockwise 3 Remove the device from the pi...

Страница 26: ...in section 7 4 9 Screw on the control line 11 Observe the tightening torques specified in sec tion 7 4 10 Put the regulator into operation see sec tion 5 3 7 2 Exchanging the operating diaphragm Risk...

Страница 27: ...Tip 8 Unscrew the diaphragm plate nut 15 from the diaphragm stem 7 9 Take off the diaphragm plate 16 and operating diaphragm 6 1 10 Examine the diaphragm stem 7 for score marks Replace if necessary A...

Страница 28: ...ice or repair work on T V tested Type 44 4 and Type 44 8 Regulators DANGER NOTICE NOTICE SAMSON s After sales Service department can support you concerning lubricant tight ening torques and tools appr...

Страница 29: ...o 25 4 DN 32 to 50 8 Plug nipple 3 5 DN 32 to 50 110 Guide nipple 3 6 DN 15 to 25 70 Coupling nut 4 DN 15 200 DN 20 250 DN 25 300 DN 32 400 DN 40 600 DN 50 800 Control line connection 11 DN 15 to 50 2...

Страница 30: ...les Service department for more information on suitable lubricants Tools Contact the SAMSON s After sales Service department for more information on suitable tools 8 Malfunctions The malfunctions list...

Страница 31: ...icles Replace damaged parts Defective operating diaphragm Replace damaged diaphragm Seal the inspection borehole Open the inspection borehole Pressure drops below the adjusted set point Foreign partic...

Страница 32: ...Install a restriction Loud noises High flow velocity cavitation Check the sizing Install larger regulator if necessary Leakage at the inspection bore Defective operating diaphragm Replace damaged diap...

Страница 33: ...burn injuries due to hot or cold com ponents and pipeline Regulator components and the pipeline may become very hot or cold Risk of burn inju ries Allow components and pipelines to cool down or heat u...

Страница 34: ...situation specify the following de tails so far as possible See section 2 Device type and nominal size Model number and configuration ID Upstream and downstream pressure Temperature and process mediu...

Страница 35: ...EB 2723 EN 35 Appendix 26 186 226 2 215 31 30 28 90 112 70 78 83 95 56 150 105 155 53 124 57 116 7 234 130 DN 15 to 25...

Страница 36: ...Restriction assembly 26 Stopper 28 Screw plug 30 Body 31 Threaded seat 53 Nut 56 Nut 57 Nut 58 Lock nut 70 78 Compression spring 83 Diaphragm stem 90 Diaphragm plate 95 Spring plate 105 Washer 112 Di...

Страница 37: ...EB 2723 EN 37 Appendix 10 3 Certificates The EU declarations of conformity are in cluded on the next pages...

Страница 38: ...without 1 A 2 3 H Class 300 ohne without 1 H Class 600 und Class 900 ohne without 1 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit im Sinne der Druckger terichtlinie The CE ma...

Страница 39: ...160 ohne without 1 H Class 150 ohne without 1 A 2 3 H Class 300 ohne without 1 A 2 3 H Class 600 und Class 900 ohne without 1 H 1 Das auf dem Stellger t aufgebrachte CE Zeichen hat keine G ltigkeit i...

Страница 40: ...Type Examination Certificate Modul B Module B Zertifikat Nr Certificate no 01 202 931 B 13 0029 Angewandtes Konformit tsbewertungsverfahren Conformity assessment procedure applied Modul D Module D Ze...

Страница 41: ...Type Examination Certificate Modul B Module B Zertifikat Nr Certificate no 01 202 931 B 13 0027 Angewandtes Konformit tsbewertungsverfahren Conformity assessment procedure applied Modul D Module D Ze...

Страница 42: ...42 EB 2723 EN...

Страница 43: ...EB 2723 EN 43...

Страница 44: ...2019 03 19 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 2723 EN...

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