Specifications & Standards

Valve Type & Configuration

Conduit gate valvesshall 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 valvesshall be provided with a back seat or secondary stem sealing feature in addition to primary stem seal.
Full opening throughconduit valvesshall 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 otherwise specified by customer.
Reduce opening valves with a noncircular opening through the gate shall be supplied with a minimum opening as agreed by customer.

Pressure &TemperatureRating

Valves manufacturedbyReliable Valvesshall be furnished in one of the following classes:
- PN 20 (class 150)
- PN 50 (class 300)
- PN 64 (class 400)
- PN 100 (class 600)
- PN 150 (class 900)
- PN 250 (class 1500)
- PN 420 (class 2500)
Pressure-temperature rate is for above class rated valves shall be in accordance to ASME-B 16.34/EN 1092-1, Other than shall be determine for a material properties in accordance with the applicable design standard.

Size

uncents Valves manufacture conduit gate valves for 2" to 36" Size