Design standards:ANSI B16.34,API608.
Wall thickness standard:ANSI B16.34,EN12516-3.
Thread standard:ANSI B1.20.1;BS21;DIN 2999/259;ISO 228/1; ISO7/1;JIS B0203.
Socket welding standard:ASME B16.11.
Butt welding end standard:ASME B16.25/ISO1127/EN12627.
Flange end standard:ASME B16.5 CLASS 150/300; EN1092-1; HG20592 GB/T9113; PN10-PN40; JIS B2238 10K/20K.
Testing standard:API 598; EN 12266.
BOYUE Valve Co.,LTD ISO 9001 certified valve manufacturer since 1990, focusing on the production of ball valves, gate valves, globe valves, check valves, and butterfly valves in carbon steel, stainless steel, duplex stainless and alloy materials. Our products conform to the latest industry standards of ANSI, ASME and API.