OMB - Forged Steel

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WELDINGAll OMB welding proceduresare performed by operatorsqualified according to ASME IX.OMB Welded Bonnet Valvesare supplied in the standardtype with threaded in and filletwelded bonnet as per "L" version.On request Full PenetrationWelding as per "WPL" versioncan be supplied."L" Version"WPL" VersionPICKLING&All OMB stainless steel valves undergo a pickling process in a concentrated acid solution whichcleans perfectly the surface of the forged components and easily allows a visual inspection ofeach piece.PHOSPHATIZINGAll OMB carbon and alloy steelbodies and bonnets undergo aphosphatization process accordingto the table.Bath123456PHOSPHATIZING SPECIFICATION (zinc base)FOR CARBON STEEL PROTECTIONType of operationProduct usedAlkaline degreasing - Italbonder 011Cold washing - Water air (current)Bonderizing - Bonder A2 - PSCold washing - Water air (current)Oiling - Emulsifiable protoil REDryingMin.time8'1'-3'8'-10'1'-3'3'5'Phosphatization is carried out on all forged bodies andbonnets in carbon and alloy steel.Temp.°C95°20°80°20°50°20°SPECIALSERVICESSPECIAL SERVICE APPLICATIONSService NoteOMB proceduresBellows Seal Bellows seal valves have been developed and tested according the EPA-API SV - 001ANSI and BS specifications.Hydrogen Special heat treatment and gas testing procedures. SV - 002Oxygen Special procedures guarantee a perfect cleanliness of the valve and SV - 003protection during shipping.Vacuum Close manufacturing tollerances and special extended packingbox and SV - 004lantern ring assure tight sealing. Test performed at 10 (-4) bar.Actuator Pneumatic, Hydraulic and Electric actuators are available upon customer SV - 005request.Chlorine Special degreasing procedure, dry-air testing, packing in moisture absorbing SV - 006materials, as suggested by the Chlorine Institute.Steam Special procedures cover all the applications for steam service SV - 007Cryogenic Complete range of special designs and testing procedures for service SV - 008down to -521F/-196C.Sour Oil and Gas Valves are manufactured strictly in accordance with NACE specifications SV - 009MR-01-75.High Temperature Special grade of steel for use up to 1500F/800C. SV - 010Alkylation Special procedures to select materials and assure a perfect cleanliness SV - 011of valves.Without prior notice OMB reserves the right to make modifications or changes to its production.8
Each valve is identified by propermarking on the name plate accordingto MSS SP25 specifications.Nameplate contains information regardingvalve type, body-bonnet material,seat-wedge and stem composition,class and diameter.Each valve when tested is stamped onthe nameplate with the QC operatorcode for reference.NAMEPLATEOn request valve can be supplied withtags made on customer specificationto provide easier identification ofproducts.SPECIALTAGSMaterial designation and heat codesare forged on both body and bonnet.Bodies are marked with the OMBlogo.Upon customer request further markingcan be applied.HEATCODEDESCRIPTIVE CODEA computerized code help identify the product type to simplify the offers and order processing. In the presentcatalogue the following coding system is used to define the figure numbers found on each dimensional table.Please refer to the tables on the opening page of each section for Gate, Globe, Check Valves codes.PRODUCT LINEXSERVICEXTYPEXCLASSXSIZEXENDSXA Gate OS & YA Bolted Bonnet 1 150A 1/8S Socket WeldP Eco-L-Valve ® Check ValveN Ring Joint4 45009 2 1/2B Gate IS & Y B Extended Bonnet Full Port3 3001 1/4N NPTC Globe OS & Y C Cryogenic B Bolted Bonnet 6 6002 3/8D SW-NPTD Globe IS & Y L AngleRegular Port 8 8003 1/2E NPT-SWE Y Globe OS & Y M JacketedE Welded Bonnet 9 9004 3/4B BWF Y Globe IS & Y N Instrumentation Full PortA 1000G Check Valve R Self-Closed F Welded Bonnet 5 15005 1A BW B16.10H Ball Valve S Bellows SealRegulart Port B 20006 1 1/4F Int. FlangedM Through OS & Y V VacuumM Ring Joint2 25007 1 1/2G I.F. GrooveN Through IS & YFull PortC 30008 2B BallRegular Port D 5000B 3P PistonP Round B.B. H 6000C 3 1/2Q Y PistonFull PortE 10000D 4S SwingQ Round B.B.U UVRegular Port9
Page 3 and 4: OMB VALVES spa is acompany with a f
Page 5: OMB are always striving todevelop a
Page 10 and 11: VALVE MATERIALS SPECIALISTSOMB valv
Page 12 and 13: GATE VALVE SECTIONGate valves are b
Page 14 and 15: GATE VALVES FORGED STEELCLASS 1500B
Page 16 and 17: GATE VALVES FORGED STEELMWC MLCMWB
Page 18 and 19: GATE VALVES SPECIAL SERVICEBOLTEDBO
Page 20 and 21: GLOBE VALVE SECTIONGlobe valve are
Page 22 and 23: GLOBE VALVES FORGED STEELCLASS 1500
Page 24 and 25: Y-PATTERN GLOBE FORGED STEELCLASS 8
Page 26 and 27: GLOBE VALVES SPECIAL SERVICEBOLTEDB
Page 28 and 29: CHECK VALVE SECTIONCheck valves are
Page 30 and 31: CHECK VALVES FORGED STEELRATINGS: C
Page 32 and 33: CHECK VALVES FORGED STEELRATINGS: C
Page 34 and 35: JIS VALVES FORGED STEELRATINGS: Car
Page 36 and 37: EMISSION-FREE VALVESPacked valves e
Page 38 and 39: PRESSURE-TEMPERATURE RATINGSAccordi
Page 40 and 41: BUTT WELDBUTT WELD - ASME B16.25SIZ
Page 42 and 43: CONVERSION CHARTPRESSURE1 Kg/cm 2 =
Page 44 and 45: STANDARD VALVESGATE VALVE31 2567101
Page 46 and 47: CORROSION DATACORROSIVE MEDIACarbon
Page 48: Valves SpaValve SpecialistsHEADQUAR

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