VR-801 Vacuum
Relief Valve
Prevents internal vacuum conditions that could collapse storage tanks - especially copper. Opens quickly in emergency situations. Opens on less than 1" mercury vacuum. Bronze body with a male inlet, integral body seat and silicone seat disc. Maximum water pressure 200 psi; Maximum steam pressure 15 psi; Maximum temperature 210°F (121°C). Capacity 13 SCFM at 2" mercury. Also now available with dust cover.
Applications:
Designed to protect hot water supply systems and pressure vessels.
Sizes:
1/2" and 3/4"
Approvals:
The VR-801 is certified to ANSI Z21.22 and listed by CSA.
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