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Flexible Union - The resilient gasket sealing principle provides permanent flexibility while absorbing expansion
the hydrant will drain even with the hose attached and under pressure
The features and benefits you trust in our original Isolator® line with two versatile enhancements
material: Brass connection: PEX x FIP Lightweight and Strong ASTM F1960 NSF ASTM F877
Temperature stability (nominal) For IPS/SWT - ± 3°F - (± 1°C)
Hoffman Air Valve 401455 41, 1/8" Straight Steam Convector Air Valve PEX Expander Fittings Flexible Union - The resilientAir Valve (non vacuum) Single non adjustable port For small steam systems Telescopic siphon tube with angle cut assures drainage 18" NPT straight shank Maximum operating pressure 6 psig (0. 4 bar)(Drop away pressure maximum pressure against which the vent can open). Maximum pressure 10 psig (0. 7 bar)
