Designed for use in non-health hazard cross-connections and continuous pressure applications that are subject to backpressure or backsiphonage incidents. Depending on the type of Dual Check valve, the intended applications range from residential water systems at the service entrance, fire sprinkler systems and beverage machines. Also used in applications with smaller supply lines such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and small boilers.

Features & Benefits

• True Line-Sized Construction Allows the Check Modules to Open Further Allowing Dirt and Debris to Pass More Freely Reducing Check Fouling
• Maximum Flow at Low Pressure Drop
• Furnished with Union Connections to Facilitate Removal and Replacement for Maintenance
• Compact for Economy Combined with Performance
• Design Simplicity for Easy Maintenance
• Can be Installed Vertically/Horizontally
• Lead-Free

Specifications

• Type: Dual, Intermediate Atmospheric Vent
• Nominal Size: 3/4 Inch x 3/4 Inch
• End Connection: Union Female Threaded x Union Female Threaded
• End to End Distance: 4-1/2 Inch
• Body Material: Brass
• Disc Material: Rubber
• Seat Material: Rubber
• Temperature Rating: 33 to 250 Deg F
• Pressure Rating: 175 PSI
• Inclusions/Features: Intermediate Atmospheric Vent, Maximum Flow at Low Pressure Drop, True Line-Sized Construction, Horizontal/Vertical Mount
• Application: Continuous Pressure Non-Health Hazard, Laboratory Equipment, Processing Tank, Sterilizer, Dairy Equipment and Boiler Feed Line
• Applicable Standard: CSA B64, 39769, ASSE 1012
• Lead-Free
• Overall Dimension 4-1/2 Inch x 2-9/16 Inch