API600,BS1414 Gate Valve 300Lbs Full Bore BB Bolt Bonnet OS&Y Outside Screw and yoke Flexible Wedge Renewalbe seat rings. Rising stem
API600,BS1414 Gate Valve 1500Lbs Full Bore BB Bolt Bonnet Pressure Seal Bonnet OS&Y Outside Screw and yoke Flexible Wedge Renewalbe seat rings. Rising stem