Vacuum Relief Valve 3/4-inch
Brass, White Silicone Seal, 2-inch Hg (-1 psi) Vacuum
CAD Drawing
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Threaded and flanged styles available with additional options such as filter screen and tamper evident caps.
Cap and stem function independently.
Non-cycling feature prevents valve from activating / cycling and product release in case of rollover derailment.
Available in 1 1/2-inch and 2 1/2-inch sizes.
Full-faced gasket prevents failure from positive pressure.
Standard gasket materials: Buna-N, EPDM, Neoprene, Viton A.
Other gasket materials available upon request.
AAR Approval # E-009034.
Flanged and Tamper Evident styles also available.
Specifications
See also
Pressure Gauge 0-30 psi
Pressure Gauge 0-30 psi
Cast Aluminum, 4 1/2" Face, 1/4" NPT Back Connection, Back Mount Accuracy ±0.5% Full Scale, ASME B40.100 Grade 2A
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Cast Iron, Brass/Bronze Trim Set 14.7 PSIG
Hose Clamp 2 1/16″-3″
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1/2" SS band, zinc-plated chromate-dipped steel screw, worm gear.