Common standard in China:
1) English pipe system(used in international) GB 9112~9125、SH 3406
2) metric pipe system( used in China) HGJ44~76、JB/T74~90
Material: forged steel, carbon steel, stainless steel(316L、316、304L、304、321), alloy steel etc.
Type: Flat, Slip on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc.
Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS
Size:1/2”---48”