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Weld neck flange/

GOST 12815-80 Standard ASTM A350 Grade LF2 Forged Flange

click to preview and download the pdf file: ASTM-A350 ASME-SA350;D GOST 12815 Flanges standard for valves fittings pipelines Pn0.1-20 MPa Dimesions weightD What is GOST Standard ? GOST Standard Flanges are a set of flanges that are governed by the GOST standard, which is a standard system from Russia. The flanges can be of different shapes, sizes, pressure classes and grades. There are welding neck flanges, blind flanges, plate flanges, butt weld flanges and so on. The GOST 12821 80 flange belongs to one of many pressure classes which range from class 150 to 2500 which correlate to their pressure capacities in lbs. What Is GOST Flanges ? It is a Russian Flanges which consist of Welding neck Flange (GOST12821-80),…

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click to preview and download the pdf file

What is GOST Standard ?

GOST Standard Flanges are a set of flanges that are governed by the GOST standard, which is a standard system from Russia. The flanges can be of different shapes, sizes, pressure classes and grades. There are welding neck flanges, blind flanges, plate flanges, butt weld flanges and so on. The GOST 12821 80 flange belongs to one of many pressure classes which range from class 150 to 2500 which correlate to their pressure capacities in lbs.

What Is GOST Flanges ?

It is a Russian Flanges which consist of Welding neck Flange (GOST12821-80), Plate Flange (GOST12820-80), Blind Flange (GOST12836-67) and Butt-Welded Flange (GOST12821-80). The Pressure Classes for this flanges are available from PN0.6Mpa upto PN160Mpa.

GOST 12815 PIPE FLANGE STANDARD SPECIFICATIONS

Porduct Nameflange(GOST 12815-80 Standard Forged Steel 8 Inch Pipe Flange)
Size1/2″-110″
Pressure150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000
StandardANSI B16.5,EN1092-1, SABA1123, JIS B2220, DIN, GOST,UNI,AS2129, API 6A, etc.
Wall thicknessSCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60, SCH80, SCH160, XXS and etc.
MaterialStainless steel: A182F304/304L, A182 F316/316L, A182F321,  A182F310S, A182F347H, A182F316Ti,  317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc.Carbon steel: A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP, A48CP, E24 , A515 Gr60, A515 Gr 70 etc.
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc.Pipeline steel: A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc.
Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc.Cr-Mo alloy: A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc.
ApplicationPetrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust;power plant;ship buliding;water treament,etc.
Advantagesready stock,faster delivery time;available in all sizes,customized;high quality

We Can Provide:

There are also pressure ratings of these flanges in PN6 through PN160MPa. The flanges are in threaded, reducing, spectacle, SORF, WNRF, BLRF and SWRF types. They can be coated with anti-rust paint, oil black paint, yellow transparent and zinc plate. The GOST 12815 Pipe Flange can be in different dimensions according to standards B16.5, B16.47 or others. The GOST 33259 Flange can be made up of stainless steel, duplex steel, super duplex steel, nickel alloys and copper alloys.

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