Features
Spears® Utility Swing Check and spring assisted Utility Spring Check Valves offer a compact, high performance check valve for Landscape & Irrigation, Pool & Spa, Aquaculture, OEM and many general purpose applications. These maintenance free sealed units feature long-life EPDM elastomer seats with weighted disc for full-flow with minimal restriction and positive shutoff.
- Chemical & Corrosion Resistant PVC White Construction
- No Metal Parts on Swing Check
- Maintenance Free Sealed Unit in a Compact Space Saving Design
- Engineered for Maximum Flow, Quick Response & Positive Shutoff
- Long-Life, High Grade EPDM Seat with Weighted Disc
- Sizes 1/2"-8" Pressure Rated to 150 PSI @ 73°F Full-Flow (open) and 75 PSI @ 73°F Back Pressure (closed)
- Suitable for either Horizontal or Vertical Up-flow Installations and Vacuum Service
- NSF® Certified for Potable Water Use
- Silicone-Free Assembly
General Installation Information:
Swing check valves are designed for horizontal installations, but may be installed in an up-flow only vertical position. Check valves MUST be installed with the valve's FLOW arrow pointing in the direction of the flow. Do not install valve uPSIde down. Flow velocity should not exceed 5 FT/SEC. Minimum opening pressure less than 0.5 PSI.
Sample Engineering Specification
All thermoplastic check valves Shall be Utility Swing Check or Utility Spring Check type constructed form PVC Type I, ASTM D 1784 Cell Classification 12454. All valves shall be maintenance free seal unit construction with EPDM seat and weighted disc. All Spring Check Valves shall have stainless steel spring assisted operation. All valves shall have external flow arrow direction designation. All valves shall be certified by NSF International for use in potable water service. All valves shall be pressure rated to 150 PSI for water @ 73°F in full flow (open) position and to 75 PSI @ 73°F back pressure (closed), as manufactured by Spears® Manufacturing Company