Feature

1.Design and manufacture: ASME/ANSI B16.34;API 600;BS 6364; GB/T12224;GB/T12228;GB/T12234;
JB/T7749;QJ/DF 02.003-89
2.Ends connection:
1)SW dimension: ASME/ANSI B16.11; JB/T1751
2)Screwed dimension:ASME/ANSI B1.20.1;GB/T7306
3) Face to face of flange:ASME/ANSI B16.10;JB/T97-95
4) Dimension of flange: ASME/ANSI B16.5;JB/T82.1~82.2-94
3.Structural feature:B.B;OS&Y;L.B(low temperature long neck:code”D”)
4.Applicable temperature:
1)LF2(≥-46°C; code of low temperature”default”)
2)LF3(<-46℃~-101.1°C;, code of low temperature”I”)
3)F304或F316(<-101.1℃~-196°C; code of low temperature “II” )
5.Sealing accessory material:according to “ordering guide”.
6.Body material:LF2;LF3; F304; F316; F304L; F316L
7.Valve inspection and test according to API 598 or JB/T7749