Design Feature Swing Check & External Hinge Pin Design Suit for Pig Ball Service Soft or Mental Sealing Welded or Threaded Seating Optional Counter Weight Lever Design Product Range Size：1 1/2"~36" (DN40~DN900） Rating：150~2500LB （PN16~PN420） Body Material：Carbon Steel, Alloy Steel, Stainless Steel End Connection: RF, RTJ, BW |  |
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