Vacuum Relief Valve

Applications:  Used in Systems to Maintain a Desired Vacuum Level

• Relief Valves are Proportional – Not “Pop” Type Safety Valves, Not Preset – Field Adjustable
• Knurled Adjustment Screw and Locked with Jam Nut
• Pressure Range:  0-27” Hg
• Set Pressure Tolerances:  ± 3% of Set Pressure
• Temperature Range:  -65°F to 250°F
• Construction:  C360 Machined Brass Body, Stainless Steel Spring, Nylon Piston and Nitrile Seal (PCVR-04 – Stainless Steel Piston and Seal).
• Bubble Tight to Within 5 psig for Set Pressure 50 psig or Less, Bubble Tight to Within 10% for Set Pressures Greater than 50 psig.  100% Testing or 2.5 AQL Sample Testing, Conforming to AP1 527.
• Everseal 483 Sealant Standard.

Our Valve Catalog and Price List are available on-line.  Request a quote for the Relief Valve you need online today, or contact Polyconn for further information.
If the Qty shows "In Stock" please note that the availability is subject to change dependent upon quantity ordered.