Type:LJ
Standard:ANSI,JIS,DIN,GOST,EN,GB,BS
Size:1/2''-48''
Material:A105,A350,20#,Q235,CS ,RST37.2,S235JR,C22.8,SS304,SS304L SS316 SS316L
Surface treatment:yellow paint,blank paint,transparent oil,gal,hdg
Sealing face:RF;FF
Pressure rating:class150-class1500,150lb-1500lb
Marking:as per the customers' requirements
Inspection:factory in-house or the third party inspection
Welding neck flange is not easy to deformation, good sealing, wide application, suitable for pressure or temperature fluctuations of pipeline or high temperature, high pressure and low temperature pipes, advantage is that the price is cheaper, nominal pressure no more than 2.5 MPa;Also used to transport is expensive, inflammable, explosive medium pipeline, nominal pressure around PN16MPa.Scooter in forging, casting, flat welding flange connection Single-sided, double-sided nut connection.Product features Beautiful shape, the surface level off is smooth, acid and alkali resistance, corrosion resistance, simple sense strong performance.Production process and the cutting oxygen furnace, forging press cutting forming or finished product as a whole.High precision CNC lathe turning processing way, nc rocker drill hole.Product parameters: (1) the flange diameter 75 mm to 2190 mm (2) the central circle diameter of bolt holes: 50 mm - 2130 mm (3) the bolt hole diameter: 11 mm to 30 mm (4) the number of bolt hole: 4-48 (5) thread: M10 - M27 flange thickness (6) : 12 mm - 58 mm (7) : pipe diameter (17. 2-2032 - mm) B (14-2020 - mm) flange diameter (8) : A (18-2036 - mm) B (15-2024 - mm) (9) of the flange theory weight: 0.36 kg - 234.6 kg (DN1800) Cangzhou Hangsheng Flange&pipeline Equipment Co., Ltd specializing in the production of forgings butt welding flange.Butt welding flange is not easy to deformation, good sealing, wide application, suitable for pressure or temperature fluctuations of pipeline or high temperature, high pressure and low temperature pipes, advantage is that the price is cheaper, nominal pressure no more than 2.5 MPa;Also used to transport is expensive, inflammable, explosive medium pipeline, nominal pressure around PN16MPa.Production standard: commonly used chemical standard HG/T20592-2009, HG/T20615-2009, the national standard GB/T9115.1-2000, GB/T9115.2-2000, GB/T9115.3-2000, GB/T9115.4 standard JB/T86.2-94-2000, the mechanical, Marine standard of CB/T47-1999 3 1, 2, cast steel, carbon steel, alloy steel, stainless steel 4
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