·The design conforms to specification of API6A and NACE MR0175
Sealing surface of valve plate and valve seat has bead(spray) welding by hard alloy, with corrosion resistance and scouring resistance
The sealing of valve plate, valve seat and valve rod adopts the imported lip type combination structure, being safe and reliable. The valve switching torque is small.
The valve rod is designed to have back seal device. The seal material can be replaced under the working pressure.
Gate valve structure includes bright bar type and dark bar type. Obvious mark is designed for the valve opening
·Valve plate structure contains integral type and split type
Valve seat structure contains floating type and fixed type.
The drive mode contains manual drive, hydraulic drive, ball screw and gear drive
The connecting mode contains flange type, thread type and the clamp type
Technical parameters
Rated working pressure: 2000Psi~20000Psi
Nominal diameter: 2 1/16"~7 1/16"
Temperature level: L, N, P, S, T, V, U
Material grade: AA, BB, CC, DD, EE, FF
Specification level: PSL1~PSL4
Performance level: PR1, PR2
