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OMB API 602, Инструкция по установке, эксплуатации и обслуживанию

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OMB Valves S.p.A

. Forged steel GATE, GLOBE & CHECK Valves Installation, Operation and Maintenance Manual Rev.5- 2016

 

Via Europa,7 Cenate Sotto 24069 (BG) Italy 

Tel: +39 035 4256711

Fax: +39 035 942638 

 www.ombvalves.com

 

28 

 

 

 

SEAT REPLACEMENT: 

•

 

Depressurize the system; ensure that there is no pressure trapped inside the valve. 

•

 

Remove valves bonnet (24) and it’s subassemblies.

 

•

 

Body (18), seat ring, disc, 

piston or ball 

(19) inspected to be clean, free from any residual material and damage 

or scratches. 

•

 

If there is rust, it must be clean properly, rusting cause an improper operation for the valve.

 

•

 

If the seat is damaged seriously, it should be lapped and replaced. 

•

 

Reassemble the valve, test, and place back in the line. 

•

 

Check Valves Cracking pressure must be advised by OMB Valves S.p.A. 

 

 

 
 
 
 

 
 
 

 
 
 

 

 

Содержание API 602

Страница 1: ...350 400 C Les longueurs de taraudage tant le plus souvent plus petites que les longueurs th oriques ISO R7 il est indispensable de limiter la longueur filet e du tube et de bien v rifier que l extr m...

Страница 2: ...942638 www ombvalves com 1 FORGED STEEL GATE GLOBE CHECK VALVES API 602 INSTALLATION OPERATION AND MAINTENANCE MANUAL TABLE OF CONTENTS SECTION A SAFETY INSTRUCTIONS WARNINGS SECTION B GENERAL VALVE O...

Страница 3: ...rocedures or instructions either expressed or implied is forbidden without the official authorization of OMB Valves S p A headquarter IN ACCORDANCE TO LAW N 257 OF 12 MARCH 1992 ALL VALVES MANUFACTURE...

Страница 4: ...steel GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 3 SECTION A SAFET...

Страница 5: ...fications Do not expose the product to service conditions or variables other than those for which the valves were intended to be used If you are not sure what these conditions or variables are contact...

Страница 6: ...ys wear protective gloves clothing and eyewear and or every required PPE when performing any installation operations If lifting the valve use a nylon sling to protect the surfaces Carefully position t...

Страница 7: ...pipeline Process fluids might spray out under pressure when removing the packing hardware or packing rings or when loosening the packing box pipe plug Cautiously remove parts so that fluid escapes sl...

Страница 8: ...rrors repair or replace those are found by OMB in the scope of services All replacements or repairs necessitated by inadequate maintenance normal wear and usage unsuitable power sources or environment...

Страница 9: ...el GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 8 SECTION B GENERAL...

Страница 10: ...eck Valves Swing check valves are designed to open by the system pressure in a line The normal direction of flow in the line will open the valve and any attempt by the flow to reverse will close the v...

Страница 11: ...d by high noise levels The possibility exists for mechanical damage to the valve and piping system OMB S p A should be consulted on proper valve selection for throttling applications 5 TEMPERATURE CHA...

Страница 12: ...BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 11 8 IDENTIFICATION All OMB valves are identified with metal tag that is attached to the handwheel include all identification details s...

Страница 13: ...ged steel GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 12 SECTION C...

Страница 14: ...iate storage process will not be under cover of OMB warranty 2 STORAGE To care the valve between the times it received in the site and installed on the system Indoor Storage of valves is always recomm...

Страница 15: ...steel GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 14 SECTION D INST...

Страница 16: ...down Special knowledge of design and material is required for Oxygen service operation to prevent serious injury or property damage Before connecting valves to the source service ensure existing pres...

Страница 17: ...spect both ports to be completely clean and free from any obstruction dirt rust sandblast or foreign residual material which can cause damage or seat leakage DO NOT change the valve position from open...

Страница 18: ...MDS on OMB web site www ombvalves com or equivalent grade These components should be kept constantly lubricated maximum every 2 months by applying the grease directly on the stem when the valve is in...

Страница 19: ...are clean and free from radial groove cut or dent across the face Bolting size length and material must be check Gasket material must be checked also ensure that they are free from any imperfection or...

Страница 20: ...n forged steel materials and the remaining components such as stems seats glands and bolting are in steel bars Gaskets and packings are composed of graphite or PTFE materials Standard gaskets used in...

Страница 21: ...ATE VALVES Gate OS Y Bolted Bonnet Square Gasket Joint Gate OS Y Cryogenic Ext Bonnet 250mm Union Body Extension Bolted Gate OS Y Bolted Bonnet Round Oval Ring Joint Gate OS Y Union Welded Full Penetr...

Страница 22: ...packing 9 using an appropriate tools with care to ensure no damage to the stuffing box surface Remove the yoke nuts 4 and handwheel 3 REASSEMBLY Clean all parts thoroughly Seating surfaces shall be l...

Страница 23: ...here is no pressure trapped inside the valve Remove valves bonnet 13 and its subassemblies Body 18 seat rings wedge 17 and gland nuts 5 inspected to be clean free from any residual material and damage...

Страница 24: ...g Joint Globe OS Y Bolted Bonnet Square Gasket Joint Globe OS Y Union Welded Full Penetration Globe OS Y Union Body Extension Bolted Globe OS Y Pressure Seal Union Bonnet Gasket Joint Globe Angle OS Y...

Страница 25: ...ve the packing 9 using an appropriate tools with care to ensure no damage to the stuffing box surface REASSEMBLY Clean all parts thoroughly Seating surfaces shall be lubricated type of lubricant must...

Страница 26: ...ew stem 12 down out of bonnet 13 Body 18 seat rings disc piston 19 and gland nuts 5 must be inspected to be clean free from any residual material rust and damage or scratch If the disc piston 19 is da...

Страница 27: ...Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 26 III CHECK VALVES Check Ball Bolted Bonnet Square Gasket Joint Check Piston Bolted Bonnet Square Gasket Joint Check Swing Bolted Bonnet S...

Страница 28: ...l the Hinge 27 Disc 19 with special care to be taken to the locking devices on the disc 19 and disc nuts 28 Correct new gasket 35 must be chosen and Install First take up bolts with hand force and the...

Страница 29: ...essure trapped inside the valve Remove valves bonnet 24 and it s subassemblies Body 18 seat ring disc piston or ball 19 inspected to be clean free from any residual material and damage or scratches If...

Страница 30: ...l GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 29 SECTION E BOLTING...

Страница 31: ...991 2 1336 4 1513 4 2610 9 2965 Torque Values Nmt Ideal Max Ideal Max Ideal Max Ideal Max Ideal Max Ideal Max B7 18 20 35 40 62 70 99 112 151 171 295 335 B7M 14 16 27 31 47 54 76 86 115 130 225 255 B8...

Страница 32: ...8 CH 5 3 8 CH 2 15 16 CH 3 1 2 CH 3 7 8 CH 5 3 8 CH 2 15 16 CH 3 1 2 CH 3 7 8 CH 5 3 8 CH Bolt Material Torque Values Lbs ft Ideal Max Ideal Max Ideal Max Ideal Max Ideal Max Ideal Max Ideal Max B7 4...

Страница 33: ...A Forged steel GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 32 3 TO...

Страница 34: ...eel GATE GLOBE CHECK Valves Installation Operation and Maintenance Manual Rev 5 2016 Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 33 SECTION F SUPPOR...

Страница 35: ...Top Entry Ball Valve BTE IOM Side Entry Ball Valves BSE IOM Trunnion Ball Valves IOM Modular Valves Double Block and Bleed DBB IOM Exotics Valves 2 SPECIAL SERVICE APPLICATION PROCEDURES SV 001 Bello...

Страница 36: ...ubing line pipe threads API 6AM Material toughness API 6FA Fire test for valves API 6FC Fire test for valves with backseats API 6FD Specification for fire test for check valves APIQ1 Specification for...

Страница 37: ...isual method for evaluation of surface irregularities SP 60 Connecting flange joint between tapping sleeves tapping valves SP 61 Pressure testing of steel valves SP 65 High pressure chemical industry...

Страница 38: ...tto 24069 BG Italy Tel 39 035 4256711 Fax 39 035 942638 www ombvalves com 37 OMB VALVES S P A BRAND RANGE CATALOGUES OMB Valves S p A Headquarter Via Europa 7 Cenate Sotto 24069 BG Italy Tel 39 035 42...

Страница 39: ...they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and co...

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