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GOST FLANGE

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Description of  forged gost steel flange (GOST12820-80)


 


* Size: 1/2” to 60”, DN 12mm to DN 2000mm

* Pressure class: Class 150 to Class 2,500, PN 2.5 to PN 250

* Facing: RF / RTJ

* Material:

Cabon steel: A105, A350 LF2, C22.8, S355JR

Stainless steel: A182 F304/F304L/F316/F316L/F321

Alloy steel: F11, F12

* Packing: plywood case and plywood pallet


* Facing Method:rust preventing oil ,paint ,electric galvanized ,hot treatment 


* Certification:ISO,TUV,AD


* Applications range:petroleum, smelting, foodstuff, power, papermaking, chemical,   medical  equipment, aviation,  boiler heat exchanger, other


 * Type:WN ,SO


Other Detailed Product Information


Country StandardStandard CodeTypeNominal pipe sizePressure rating
American


Standard

FLange

Series

ANSI B16.5WN,SW,SO,BL,THR,RTJ1/2”-24”Class150.300.400.600.900.2500.
ASME B16.47 SeriesA(MSS SP-44)WN,BL26”-60”Class150.300.400.600.900
ASME B16.47 SeriesB (API 605)WN,BL26”-60”Class75.150.300.400.600.900
BS 3293WN,SO26”-48”Class150.300.400.600.
ANSI B 16.36 Orifice FlangeWN,SO,THR,RTJ1/2”-24”Class150.300.400.600.900 .1500
ANSI B 16.5LWN1/2”-24”Class150.300.400.600.900 .2500
AWWA C 207flangeRing(Hub)flange3”-144”Class B.D.E.F
 British StandardBS4504WN,SO,PL,BLDN10-DN2000PN6,10,16,25,40
EuropeStandardEN1092WN,SO,BL,PLDN10-DN4000PN2,5,6,25.40.100.160.250.320.400
Russian StandardGOST12820-80WN,SODN10-DN1200PN6.10.16.25.40.63
Japan standardJIS B2220/KSPL,SO,WNDN10—DN10005K,10K,16K,20K,30K
Italy standardUNIWN,PL,BL SODN10—DN2000PN2.5.6.10.16.25.40.64.100.160.250


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