OEM AIRMAX 11.3870

Genuine Airmax safety relief valve 11.3870

Genuine Airmax Series 11 spring safety relief valve, OEM part number 11.3870, with a 1 in. (M) NPT connection set at 190 psi. Manufactured under the National Board of Boiler and Pressure Vessel Inspectors regulations, in accordance with the ASME Code covering valves for unfired pressure vessels. Protects compressed-air receivers and tanks from overpressurization. In stock in Canada with fast Eastern Canada shipping.

Fits (reference - verify by serial or BOM): compressed-air receivers and unfired pressure vessels rated for the set pressure.

• OEM part number: 11.3870
• Connection: 1 in. (M) NPT
• Set pressure: 190 psi (plus or minus 3 percent)
• Rated flow: 393 SCFM
• Compliance: National Board / ASME Code for unfired pressure vessels

Why replace on schedule: a safety valve is the last line of defence against overpressure; a seized or leaking valve must be replaced immediately, and set pressure must match the vessel rating - confirm before installing.

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