Expanding Gate Valve Manufacturers – Extended Bonnet Gate Valve, extended stem,CS,SS,WCB,CF8,CF3,CF8M,CF3M,4A,5A,Monel,150LB,300LB,600LB,900LB,1500LB,2500LB – UNIQUE

Technical Specifications

-Design: ASME 16.34/ API 6D/ API 600/ BS 1414 -Face to Face: ASME B16.10 -End Flange: ASME B16.5, ASME B16.47 -BW End: ASME B16.25 -Test: API 598/ API 6D/ BS 6755 -Special: NACE MR-01-75

Design Features

-OS & Y, Rising stem -Bolted Bonnet with spiral-would gasket -Flexible Wedge -Backseat Weld-Deposited -Threaded or welded seat ring -Renewable seat rings -Extended Bonnet for Cryogenic Service -Flanged or butt welded ends. -By Pass on Request -Locking Device Optional