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
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3. TORQUE SEQUENCES
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
