Power Actuated Valve 66/66A

Operates automatically off line pressure or independent pressure source.
Heavy-duty, nylon-reinforced diaphragm isolates top chamber operating pressure from bottom chamber line pressure
Rectangular-shaped, soft seat seal provides drip-tight Class VI closure.
Diaphragm assembly guided center and bottom
Throttling seat retainer for flow and pressure stability
Easily maintained without removal from the line
Diaphragm replaced without removing internal stem assembly
Replaceable seat ring
Alignment pins assure proper reassembly after maintenance