1/2″ MNPT Vacuum Relief Valve

Description

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-Stopâ„?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 â€?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