All kinds of flanges are ones of our main leading…
♦ Design complies with the requirements of API SPEC 6A and other relevant specification.
♦ End connection type：Flange, inner-thread, collar and butt-weld.
♦ both sealing faces of gate are wedge type structure , and hand wheel can be loaded to adjust the fastness of attachment of gate and valve seat.
♦ The sealing face of gate and seat is overlaying-welded with hard alloy with erosion and corrosion resistance.
| Working Pressure | 2M,3M,5M,10M | |||||||||||||||||||||||||||
| Material Class | AA,BB,CC,DD,EE,FF | |||||||||||||||||||||||||||
| Product Specification Level | PSL1，PSL2，PSL3，PSL3G，PSL4 | |||||||||||||||||||||||||||
| Performance Requirement Level | PR1 | |||||||||||||||||||||||||||
| Nominal bore | 1-13/16，2-1/16，2-9/16，3-1/8，4-1/16 | |||||||||||||||||||||||||||
Choke manifold is necessary to control well-kick & blowout…