The implementation standards of Sanitary Valve are as follows:

GB is a mandatory national standard, GB/T is a recommended national standard ("T" means recommended).

Standard number: GB/T 12459-2005

Standard name: Steel butt-weld seamless pipe fittings

National standard GB12459 Steel butt-weld seamless pipe fittings

GB/T13401 Steel plate butt-weld pipe fittings

GB/T14383 Forged steel socket-weld pipe fittings

GB/T14626 Forged steel threaded pipe fittings

GB9112-9131 Steel pipe flanges, flange covers and flange gaskets

Sinopec standard: SH3408 Steel butt-weld seamless pipe fittings, SH3409 Forged steel socket-weld pipe fittings SH3410 Steel plate butt-weld pipe fittings, SH3406 Petrochemical steel pipe flanges.

Ministry of Chemical Industry standard: HGJ514 carbon steel, low alloy steel seamless butt welding pipe fittings, HGJ528 steel seam butt welding pipe fittings, HGJ10 forged steel socket welding pipe fittings, HGJ529 forged steel socket welding, SH3406 petrochemical steel pipe flanges, threaded and butt welding pipes

PetroChina Standards: SY/T0510-1998 steel butt welding pipe fittings, SY5257-91 steel elbow power standard, GD87-1101 thermal power plant steam and water pipeline parts and components typical design manual, DL/T515 power station elbow.

American Standards: ASME/ANSIB16.9 factory-made forged steel butt welding pipe fittings, ASME/ANSIB16.11 socket welding and threaded forged pipe fittings, ASME/ANSIB16.28 steel butt welding small radius elbows and return elbows, ASMEB16.5 pipe flanges and flange accessories, MSSSP-43 forged stainless steel butt-weld fittings, MSSSP-83 socket-weld and threaded unions, MSSSP-97 socket-weld, threaded and butt-weld integrally reinforced pipe sockets.

Japanese standard: JISB2311 general steel butt-weld fittings, JISB2312 steel butt-weld fittings, JISB2313 steel plate butt-weld fittings, JISB2316 steel socket-weld fittings.

Material standards: 304, 316L, 321, 304L, 316.

Specification standards: Φ19.1-159, length fixed at 4m, 6m

Surface finish standard: internal and external mirror finish Ra≤0.8μmm, inner wall mechanical polishing and electropolishing Ra≤0.2μmm, outer surface polished or matte.