Sell

Application standards:
1. Design and manufacture conform to: API **2;
2. Connection ends conform to:
    1) Socket welded dimension conform to
        ANSI B *6.*1
    2) Screw thread dimension conform to
        ANSI B 1.*0.1
3. Test and inspection conform to: API **8
4. Structure features: B.B, Swing Check Valve
5. Materials conform to: ANSI/ASTM
6. Main materials:
    A**5; F5; F9; F*1; F*2; F*1; F**4; F**4L; F**6; F**6L; F**1; LF2 etc.