1) Forged Steel Y-Shaped Valve Design and manufacture :By ANSI . B16.34; API 602.

2) Size-end connectivity:

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

* 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.

* Application of the medium: water, steam, oil, etc.

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