Size head|Reducing pipe material: Stainless steel size head, reducer pipe (304304l316316l) Alloy steel size head, reducer carbon steel size head, reducer 20th steel q234q345 and other sizes | reducer standard:
National standard American standard British standard and various non-standard high pressure stamping.
Flange for the pressure vessel of the Ministry of Power Standard GD0506~0507
Corresponding standard for tube sheet: JB/T4700~4707-2000 implements national standard (GB/T9112-2000),
Ministry of Machinery Standard (JB81-59, JB/T74-94),
Petrochemical Standard (SH3406-96),
Ministry of Chemical Industry Standard (HG5010-58, HG20592-97) and so on.
The export forged steel flange material conforms to the American ASTM.A105 standard.
FRP big-diameter pipe,FRP wide-diameter pipe,RP Pipework,FRP Small-scale Pipe,GRP Miniature Jacking Pipe
Zhejiang Huafeng new material Co., Ltd. , https://www.cnhfpipe.com