No.37-201 Vacuum Relief Valve

1/2inch

brass body (EPDM rubber seat)

Automatically vents a system if a vacuum should occur. Prevents siphoning of the water from the system and collapse of a tank. Design certified by AGA and CGA in accordance with ANSI Z21.22. Also suitable for low pressure (15 psig maximum) steam service.

Features

• Maximum temperature: 250°F
• Rated for water pressures to 200 psig
• Auto-vacuum relief at less than 1/2inch vacuum
• Venting capacity as measured in cfm of air at 2inches mercury (vacuum)
• CSA certified

Other specifications

• Size: 1/2inch, 15mm
• Wt/100: 30.400
• lbs/kg: 13.789
• Venting Capacity: 15 CFM

NOTE: This valve is not designed for anti-siphon backflow prevention. To prevent back-siphonage of polluted water into a potable water system, choose from Conbraco's line of backflow preventers.