This stop valve has three types: CS to ASTM, AS to ASTM, SS to ASTM Application of the medium: water, steam, oil, etc.

1. Design and manufacture: By ANSI. B16.34; API 602.

2. Size-end connectivity:

1) Jack for size: By ANSI B16.11; JIS B2306

2) Screw terminal size: By ANSI B1. 20.1 BS21; JIS B0203; ISO7/1

3. Valve inspection and testing: By API 598

4. Structure: B.B; OS& Y or W.B; OS& Y

5. Materials: By AISI / ASTM Provisions

6. The main material: A105; F5; F11; F22; 304; 304L; 316; 316L; LF2 etc.