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