Watts 800M4QT 1 in Bronze Anti-Siphon Pressure Vacuum Breaker Backflow Preventer, Quarter Turn Shutoff, Tee Handles

Product Description

The WATTS 800M4QT 1 IN anti-siphon pressure vacuum breaker backflow preventer helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It features bronze body construction, silicone rubber check valve disc and seat, stainless steel springs, and a lightweight plastic disc float. Ideal for irrigation and industrial process water systems.

• Silicone rubber sealing float O-ring and seal check disc are resistant to heat, shock, and chemical attack for reliable performance
• Acetal bonnet acts as freeze plug to prevent body damage
• Test cocks are positioned for easy testing and winterization

Product Highlights

Prevents backflow with durable bronze body, silicone components, and easy-access test cocks for winterization.

Product Information

Standard Information

• Brand: WATTS
• Manufacturer Part Number: 800M4QT 1

Technical Specifications

• Backflow Preventer Type: Vacuum Breaker
• Body Finish: Cast Bronze
• Body Material: Bronze
• Body Pattern: Angle
• Brand: Watts
• Buy American Act Compliant: YES
• Bypass: No
• Cap And Tether: No
• Disc Material: Silicone
• EAN: 098268279399
• Elbow Fitting: No
• GDS Status: Registered
• Hazard Protection Level: Health Hazard
• Hot And Harsh Water: No
• Hydrant Connection: No
• Inlet Connection Size: 1 IN
• Inlet Connection Size-Metric: 25 MM
• Inlet Connection Type: Female Threaded
• Inlet Shutoff Valve Type: Quarter Turn Ball Valve
• Inlet Thread Type: NPT
• Lead Free: NO
• Maximum Temperature-Fahrenheit: 140
• Maximum Working Pressure-BAR: 10.30
• Maximum Working Pressure-PSI: 150
• Meter Type: No Meter
• Minimum Temperature - Celsius: 0.50
• Minimum Temperature-Fahrenheit: 33
• Outlet Connection Size: 1 IN
• Outlet Connection Type: Female Threaded
• Outlet Shutoff Valve Type: Quarter Turn Ball Valve
• Outlet Thread Type: NPT
• Part Number: 0388002
• Polymer Coating: No
• Pressure Operation: Continuous
• Protection Type: Backsiphonage
• Seat Material: Engineered Plastic
• Series: 800M4QT
• Strainer: No
• Technologies: Does Not Apply To Product
• Product Type: Pressure Vacuum Breakers (PVB)
• Test Cocks: 2 MALE
• Hydrostatic Test Pressure: 300 PSI
• Temperature Range: 33F to 140F
• Main Valve Body Materials: Bronze
• Elastomers: Silicone
• Springs: Stainless Steel
• Size: 1 in.
• Connection: FPT
• Connection Type: Female x Female
• Nominal Size: 1 x 1 in
• Pressure Rating: 150 psi
• Temperature Rating: 33 to 140 deg F
• Minimum Pressure: 15 psi (55kPa)
• Maximum Pressure: 150 psi (10.3 bar)