Air Release Valve With FNPT Connection 1 Inch Inlet 1/2 Inch Outlet Cast Iron Body 316 Stainless Steel Float NSF61 ASTM A126 Class B Max 150 PSI Built Tough For Industrial Plumbing Systems And High Flow Applications
✔️ Cast Iron body, 316 SS float, NSF61, max 150 psi, 250°F (Each)
The air release valve vents trapped air from water lines, helping prevent air pockets and water hammer in industrial plumbing. Built for clean water applications, it uses a cast iron body and a 316 stainless steel float for durability and NSF61/ASTM A126 Class B compliance.
✅ Inlet: 1 in (25.4 mm); Outlet: 1/2 in (12.7 mm) FNPT
✅ Max pressure: 150 psi (10.3 bar); Min pressure: 5 psi
✅ Max vent: 55 scfm at 150 psi; Vacuum: 29 in Hg
✅ Materials: Cast Iron body; Float: 316 Stainless Steel; Standards: NSF61, ASTM A126 Class B
💡 What is an air release valve with FNPT connection used for in clean water piping? Air release valves remove trapped air to improve flow and prevent air locks in large-diameter lines. - handy for venting air along long runs - FNPT connection fits standard pipe threads - cast iron body with 316 stainless steel float resists corrosion - NSF61 and ASTM A126 Class B certified
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