FLS/FL Ball Screw Gate Valve
3-1/16”~13-5/8”
5000Psi~20000Psi
AA, BB, CC, DD, EE, FF, HH
Supersonically spray hard alloy for the sealing surfaces to prolong the service life.
Ball screw operated for the opening/closing of the valve which reduces the torque value to 1/3 of normal valve.
With balancing stem structure which reduces the torque and has open/close indication function
With spring energy accumulated sealing structure for stem packing and seat sealing to enable reliable seal.
Applies to large sizes and high pressure valves
PSL3/3G/4
PR1/PR2
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