1" Relief Valve Threaded PVC EPDM In-Line Diaphragm Fail-Dry
Item #RVDM100EP-PV
- One-valve design functions as a relief valve, bypass valve, back pressure valve, and back pressure regulator valves
- Infinite adjustable relief settings from 5 to 100 psi
- Relief protects systems and equipment from overpressure/pressure surges
- Bypass prevents pumps from dead heading
- Back pressure valve provides back pressure directly on pump discharge to enhance performance
- Patented Fail-Dry® safety feature
- Body materials available in PVC, CPVC, polypropylene, PVDF, PTFE
- Wetted diaphragm is PTFE energized by nonwetted FKM
- Springs are zinc-plated steel (not in wetted area), fasteners are stainless steel, adjusting screw is high-density polyethylene
- Anti-siphon design prevents tank siphonage
Series RVDT relief valves are available in Geon® PVC, Corzan® CPVC, Natural Polypropylene (virgin, unpigmented, unfilled PPL), Kynar® PVDF and PTFE body materials. The wetted diaphragm is PTFE energized by a non-wetted FKM diaphragm. Spring housing (not wetted) is PVC. Springs (not in wetted area) are zinc-plated steel, external fasteners are stainless steel. Lock nut and adjusting screw are HDPE on 1/4" - 1" sizes. Lock nut and adjusting screw are stainless steel on 1½" and 2" sizes.
