Description
The Model DDV deluge valve diaphragm-type deluge valve available in 1-1/2” (40mm), 2” (50mm), 2-1/2” (65mm), 76mm, 3” (80mm), 4” (100mm), 6” (150mm), 165mm, and 8” (200mm) nominal sizes with multiple end configurations.
The valve’s diaphragm seals against a seat machined in the valve body. Water pressure in the chamber between the diaphragm and the cover presses the diaphragm against the seat to prevent water flow through the valve. The release of water pressure from the chamber allows the diaphragm to deform away from the seat, which permits water to flow through the valve. Maintenance of the valve is simplified because all trim is connected to the valve body, and the diaphragm can be removed without removing the trim.