Socket welding or inner screwed
Full bore or reduced bore,B.B or W.B or pressure seal bonnet, through way, OS&Y
Oil and gas pipeline
ASME/ANSI B 16.34, API602, BS5352
Face to face
ASME/ANSI B 16.10
SW End Connection
ASME/ANSI B 16.11
Screwed ends connection
ANSI B 1.20.1
Inspection and test
1.The sealing face adopts a conic piston to reduce the resistance to shut down.
2.The body are designed to be tubby or handsome streamline. According to the liquid flow direction, in diffrernt types-through way type, angle type and Y-type.