1. Design and manufacture conform to: BS5352 MSS SP-118
2. Connection ends conform to:
Socket welded ends conform to ANSI B16.11, JB/T1751
Screw ends conform to ANSI B1.20.1, JB/T7306
Butt-welded ends conform to ANSI B16.25, JB/T12224
Flange ends conform to ANSI B16.5, JB79
3. Test and inspection conform to: API 598; GB/T13927; JB/T9092
4. Structure features: Bolted bonnet, welded bonnet
5. Materials conform to ANSI/ASTM
6. Main materials :
A105; LF2; F5; F11; F22; F304(L); F316(L);
F347; F321; F51; Monel; Alloy 20# etc.
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