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4" PVC/EPDM/THR/TU DUO-BLOC 21 BALL VALVE
Features and Benefits
- Pressure rated up to 230 psi (PVC, CPVC, PVDF)
- Double O-ring seals on stem for an added protection.
- Full bore, sizes Â½" 2"
- Full vacuum rated, all sizes
- Blocks in two directions, upstream and downstream, leaving full pressure on the opposite end of the valve
- Integrally molded ISO mounting pad for both manual and actuated operations
- Integrally molded base pad to mount valves Securely or panel mounting
- PTFEseats with elastomeric backing cushions ensure bubble-tight shut-offand a low fixed torque, while at the same time compensating for wear
- True Union design for easier installation or repairs without expanding the pipe system
- Built-in spanner wrench on the handle for valve disassembly and assembly
- Two sets of end connectors (socket and threaded) included with all PVC and CPVC valves in sizes Â½" 2"
- CPVC threaded end connectors on sizes Â½" 1" come with stainless steel reinforcing rings
- NSF-61 Certified - Size: Â½" - 4", Material: PVC, EPDM, FKM