The Stark 6 Inch 3-Way Backwash Valves are available in Gray and Clear. The clear valve shows when valve is actuated and permits visual inspection of side port seals without removing valve. Both valve housing and covers are constructed of ABS plastic. Shaft and fasteners constructed of Type 316 stainless steel.
Anti-Vibration Fins integrally molded into housing to alleviate chatter.
New diaphragm configuration results in improved valve activation response and reliability.
Added bronze threaded inserts for attaching cover to body assembly, increasing torque capabilities compared to ABS threads.
Clear model has transparent ABS valve housing to readily display valve positioning as well as convenient maintenance inspections.
Diaphragm is scrim reinforced EPDM with polyurethane side port seals.