We organize the whole production process in accordance with ISO 9001 and ISO 14001. It has also the most complete certificates in the PVF industry, including UL/FM/NSF of US, CRN/cUL of Canada, DVGW/TUV/CE/VdS of Germany, BSI/LPCB of UK, SII of Israel, JIS of Japan, ABNT of Brazil, GOST-R of Russia, CNBOP of Poland, KS of South Korea, TSE of Turkey, PSB of Singapore, SIRIM of Malaysia, SABS of South Africa etc. The products are well distributed in more than 130 countries and regions.
Applicable Standards
ASME Standards
B16.9 Factory-Made Wrought Steel Buttwelding Fittings
B16.28 Wrought Steel Buttwelding Short Radius Elbows and Returns B16.25 Buttwelding Ends
B36.10 Welded and Seamless Wrought Steel Pipe B36.19 Stainless Steel Pipe
B31.3 Process Piping
BPVC II Materials
BPVC III Rules for Construction of Nuclear Facility Components BPVC V Nondestructive Examination
BPVC VIII Rules for Construction of Pressure Vessels BPVC IX Welding and Brazing Qualifications
ASTM Standards
A234 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service A350 Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components A403 Wrought Austenitic Stainless Steel Piping Fittings
A420 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low Temperature Service
A694 Carbon and Alloy steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service A774 As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures A815 Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A860 Wrought High-Strength Low-Alloy steel Butt Welding Fittings B366 Factory-Made Wrought Nickel and Nickel Alloy Fittings
A960 Common Requirements for Wrought Steel Piping Fittings
MSS Standards
SP-25 Standard Marking System for Valves, Fittings, Flanges, and Unions SP-43 Wrought Stainless Steel Butt-Welding Fittings
SP-75 High Test Wrought Butt-Welding Fittings SP-79 Socket Welding Reducer Inserts
SP-87 Factory-Made Butt-Welding Fittings for Class I Nuclear Piping Applications
SP-97 Integrally Reinforced Forged Branch Outlet Fittings - Socket Welding, Threaded and Buttwelding Ends
NACE Standards
MR0175 Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment
MR0103 Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments TM0284 Evaluation of Pipeline and Pressure Vessel Steels for Resistance to Hydrogen-Induced Cracking
API Standards
5L Line Pipe
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