Features:
1)Designed and manufactured as per AP I602
2)Butt-welding end dimensions as per ANSI B16.25
3)Socket-welding-end dimensions as per ANSI B16.11
4)Screw end dimensions as per GB/T12716-91
5)Inspection and test as per API 598
6)Structure: B.B, OS&Y
7)Body material: A105, F11, F22, 304, 316, 304L, 316L, Alloy 20, Monel


Picture on the left:
1) Applicable standards:
a) Designed and manufactured as per API 602
b) End connection:
i) Butt-welding end dimensions as per ANSI B16.25
ii) Socket-welding-end dimensions as per ANSI B16.11
iii) Screw end dimensions as per GB/T12716-91
c) Inspection and test as per API 598
2) Structure: B.B, OS&Y
3) Body material: A105, F11, F22, 304, 316, 304L, 316L, Alloy 20, Monel

Picture on the right:
1) Applicable standards:
a) Designed and manufactured as per API 602
b) End connection:
i) Butt-welding end dimensions as per ANSI B16.25
ii) Socket-welding-end dimensions as per ANSI B16.11
iii) Screw end dimensions as per GB/T12716-91
c) Inspection and test as per API 598
2) Structure: W
3) Body material: A105, F11, F22, 304, 316, 304L, 316L, Alloy 20, Monel