1" Relief Valve Threaded PVC EPDM PTFE Shaft 90 Angle Fail-Dry
Item #RVT100EP-PV
- Normally closed valves
- Uses nonsticking design with PTFE shaft
- Patented Fail-Dry® design provides vent between upper and center U-cup seals; if lower two seals fail, fluid will weep through vent to indicate maintenance is required while the third seal continues to protect the control spring
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. If your environment is incompatible with any of the external materials, or you are interested in some other type of body material, options are available on quantity or special orders.
