♦ 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.