1/2" MNPT Vacuum relief valve, Vacuum breaker device for domestic water systems. For the protection of hot and cold water storage tanks.
Overview
Vacu-Stop™ vacuum relief valves automatically allow air to enter into
the piping system to prevent vacuum conditions that could siphon the
water from the system and damage water heater/tank equipment. VRVs
are suitable for water and low pressure steam service and are ideal
for use in water heaters and supply tanks, table top heaters, jacketed
steam kettles, unit heaters, low pressure steam systems, and steam coil
heaters. Complies with ANSI Z21.22 and CSA 4.4 Relief Valves for Hot
Water Supply Systems.
Specifications:
- Medium: Water, low pressure steam
- Max. working pressure (water): 200 psig (14 bar)
- Max. working pressure (steam): 15 psig (1 bar)
- Working temperature range: 32 - 250 degrees F (0 – 120 degrees C)
- Vacuum relief opening pressure: 0.3" Hg (1 kPa) vacuum
- Relief capacity: 4.5 CFM @ 2" Hg (130 lpm @ 7 kPa) vacuum