Design and manufacture conform to ASME B 16.34 , MSS SP-118;
Test and inspection conform to: API 598 , GB/T13927 , JB/T9092
Materials conform to ANSI/ASTM
Design and manufacture conform to BS5352 , MSS SP - 118;
Test and inspection conform to: API 598 , GB/T13927 , JB/T9092.
Structure features: Bolted bonnet.