Manual shut-off pressure relief valves are three-way, two-position valves (with 3 threaded ports) used to maintain upstream pressure and relieve downstream pressure. The manually-rotated knob can be locked out with the included padlock. NITRA relief valves can be used with shop/plant air supply or at individual machines.
NITRA pneumatic manual shut-off pressure relief valves are available with a wide selection of NPT female port sizes to meet a broad range of pneumatic air pressure relief applications.
The modular design enables easy field assembly for combining with other NITRA air preparation components (Using modular assembly brackets which must be purchased separately).
NITRA ARV Series Manual Pressure Relief Valves start at
$25.50
(ARV-21)
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