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- ANSI Valves
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- Ball Valves – Bronze
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- Butterfly Valves
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- Check Valves
- Check Valves – Ball & Lift
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- Check Valves – Solvent Weld
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- Check Valves – Steel
- Check Valves – Swing (Flap)
- Check Valves – Threaded
- Check Valves – UL/FM Approved
- Check Valves – Wafer (Multi-Flange)
- Check Valves – WRAS Approved & Water Works
- Couplings & Tubing
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- Pressure Reducing Valves – Threaded
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- Safety Relief Valves – Wade
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- Water Meters – Positive Displacement
- Water Meters – Pulse & M-Bus Modules
- Water Meters – Woltmann Turbine
- Water Works Valves
UL Listed & FM Approved Check (Non-Return) Valves
Johnson Valves are a UK distributor for the UL listed and FM approved range of check valves manufactured by the Mueller Company.
A2120 / A2122 – Cast Iron Mueller® Check (Non-Return) Valve
These Mueller® check (non-return) valves are available with bronze seat rings with the option of either a bronze or a rubber-faced disc.
Type
Swing (Flap)
Size & Connections
DN65 to DN300 • ANSI 125 Flange (PN16 option)
Duty
Water
Materials
Cast Iron Body & Bonnet • Bronze Disc (A2122: Rubber-faced option)
Pressure Rating
14 Bar
Temperature
0 to 50°C
Compliance & Approvals
UL listed • FM approved
