Technical Data

Approval

UL and C-UL Listed, as well as FM Approved. Working Water Pressure Range 20 to 300 psi (1,4 to 20,7 bar).

Physical Characteristics

The body is ductile iron, the hand hole cover is ductile iron or cast iron, and the seat ring is bronze. The clapper for the 2-1/2 inch (DN65) valve size is stainless steel. The clapper for the larger valve sizes is either cast or ductile iron. All valve sizes utilize an EPDM clapper facing. Threaded port connections for the AV-1 Valves are available NPT threaded or threaded per ISO 7/1 as detailed in the Ordering Procedure section.