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- Check Valves – Gas Duty
- Check Valves – HVAC & Industrial
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- Check Valves – Socket Weld
- Check Valves – Solvent Weld
- Check Valves – Spring Loaded
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- Check Valves – Swing (Flap)
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- Check Valves – UL/FM Approved
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- Check Valves – WRAS Approved & Water Works
- Class 800 Valves & Strainers
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- Gate Valves – Threaded
- Gate Valves – UL Listed/FM Approved
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- Globe Valves
- Globe Valves – Angled
- Globe Valves – Bronze
- Globe Valves – Flanged DIN & ANSI
- Globe Valves – Flanged JIS
- Globe Valves – Industrial & HVAC
- Globe Valves – Iron
- Globe Valves – Marine
- Globe Valves – Screw Down Non-Return (SDNR)
- Globe Valves – Screw Lift (SL)
- Globe Valves – Screwed
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- Globe Valves – Socket Weld
- Globe Valves – Stainless Steel
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- Globe Valves – Straight
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- Pressure Reducing Valves – Threaded
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- Water Meters – Single Jet
- Water Meters – Ultrasonic
- Water Meters – Woltmann Turbine
- Water Works Valves
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Check (Non-Return) Valves
Johnson Valves offer check (non-return) valves for a wide range of applications, we offer various types and connections. We also offer Storm (Scupper) Valves for the marine industry and Screw Down Non-Return Valves (SDNR) which is a globe valve and lift check valve combined.
Check (Non-Return) Valve Types
Spring Loaded
Swing (Flap)
Ball & Lift
Disc
Dual Plate
Check (Non-Return) Connections
Threaded
Flanged
Wafer (Multi-Flange)
Socket Weld
Check (Non-Return) Valve Duties & Applications
HVAC & Industrial
Marine
WRAS Approved
UL/FM Approved
Gas Duty
