C504-54T: Tentative AWWA Standard Specifications for Rubber-Seated Butterfly Valves (PDF)
SKU: STC_0074118-PDF
These specifications cover cast-iron and steel, flanged-end, rubber seat, tight-closure butterfly valves, 3-72 in. in size, for maximum shutoff pressures of 125 psi and maximum line velocities of 16 fps, together with torque requirements for operation.
Description
The valves specified are suitable for frequent operation, operation after long periods of idleness, and operation in a throttled position; and for operation at water temperatures up to 190�F.