1) Design: ASME B 16.34, BS 1873
2) Face to face: ASME B 16.10
3) Flanged ends: ASME B 16.5
4) Test and inspection: API 598
5) Body material: TA2, Grade C3
6) Class: 150 ~ 600lbs
7) Driving manner: hand-operated
8) Working mediums: strong oxidative and corrosive medium

we are able to supply other material such as carbon steel, alloy steel,P11, WP22, extra-low-carbon stainless steel, commercially pure titanium, titanium alloy, Hastelloy alloy, Monel alloy, No.20 alloy, and pressure rating from 150# to 9000#, size range from 1/4" to 72" for DIN, ANSI, ASME, JIS, ISO, BS, API etc standards.