Description
Cash Acme®, 22398LF, Vacuum Relief Valve, Series: VR20, 3/4 in Nominal, 0 to 200 psi Pressure, 0 to 212 deg F, Bronze Body, Brass, 2-1/2 in L Dimensions
Features:
- The VR20 Vacuum Relief Valve is designed to protect hot water supply systems and pressure vessels against negative pressure, it is especially well suited for many domestic and commercial systems
- It works by preventing internal vacuum conditions that could result in burned out heaters and or collapsed storage tanks
- Installed on the cold water supply line, the Cash Acme VR20 closes tightly under pressure and opens at a 1 in mercury vacuum, Atmosphere admitted to the system breaks the vacuum, preventing collapse of the storage tank
Applications:
Suited for many domestic and commercial systems
Standards/Approval:
- ANSI Z21.22
- CSA 4.4
- Listed by CSA
Warranty:
2 Years
