- Non-slam closing — short 35° disc stroke eliminates water hammer
- Single moving part — maintenance-free design for maximum service life
- 100% full flow area — smooth unrestricted body, low headloss
- Suitable for vertical flow-up applications
- Reinforced memory-flex disc with 25-year warranty
- Tested for 1,000,000 cycles per AWWA C508
- Ductile iron construction, 250 PSI service rating
- Fusion bonded epoxy — interior and exterior
- Domed access cover
- Mechanical position indicator available
- Backflow actuator — field installable
- SCADA compatible limit switch assembly
- Disc material options: Viton, natural rubber, Hypalon, EPDM
- Stainless steel construction available with Viton disc (3"–12")
- Welded nickel seat option
- rubber lining option for abrasive/corrosive service
- Oil dashpot option for controlled closing
- Digester gas service version available (8"–12")
- Meets AWWA C508
- NSF 61 and NSF 372 certified
Swing-Flex® Check Valve
The Val-Matic Swing-Flex® Check Valve combines non-slam closing, low headloss, and a simple one-moving-part design for maximum reliability and minimal maintenance. Its full flow area and smooth body contour make it the preferred choice for slurries, sludge, and raw wastewater — including vertical flow-up installations. The reinforced memory-flex disc carries a 25-year warranty. Tested to one million cycles per AWWA C508. Ductile iron 250 PSI construction with fusion bonded epoxy. NSF 61 and NSF 372 certified. Manufactured under an ISO 9001 certified quality system.
Features & Benefits
Applications
- Raw wastewater and sewage pump discharge
- Sludge and slurry pipelines
- Water and wastewater treatment plant pump stations
- Vertical flow-up pump discharge applications
- Industrial process fluids and corrosive services
- Digester gas service (special variant)
Performance
- Sizes: 2" – 48"
- Pressure rating: 250 PSI (ductile iron)
- Disc stroke: 35°
- Disc warranty: 25 years (flex portion)
- Certifications: AWWA C508, NSF 61, NSF 372
- Cycle tested: 1,000,000 cycles per AWWA C508
About The Manufacturer
Val-Matic® is a leading designer and manufacturer of check valves, quarter turn shut-off valves, air valves and foot valves for water/wastewater, industrial and building markets. Valve types include Tilted Disc®, Dual Disc®, Swing-Flex®, Surgebuster® and Silent Check Valves; Plug Valves, Butterfly Valves, nine types of Air Valves, Sure Seal Foot Valves, VaultSafe® family of products and the Ener-G® AWWA Rubber Seated Ball Valve.
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