Conduit Gate Valve

Conduit gate valves shall have a clapper / disc / gate that moves in a plane perpendicular to the direction of flow. The gate can be consultations of one Piece for slab conduit gate valves or two or more pieces for expanding gate valves. Conduit gate valves shall be provided with a back seat or secondary stem sealing feature in addition to primary stem seal.

Full opening through conduit valves shall have a circular bore in the gate that allows a sphere to pass with a nominal size not less than ½" nominal diameter. Reduce opening through conduit gate valve shall have a circular bore in the gate that allows a sphere to pass with a nominal size not less than 10" nominal diameter, Unless other wise specified by customer.

Reduce opening valves with a non circular opening through the gate shall be supplied with a minimum opening as agreed by customer.