LF800M4QT Lead Free Anti-Siphon Pressure Vacuum Breaker

800M4QT-lead-free-freeze-resistant-vacuum-breaker

Manufactured by: Watts Water Technologies

Model: LF800M4QT

Watts Series LF800M4QT Lead Free* Anti-Siphon Pressure Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage.

It consists of Lead Free* cast copper silicon alloy construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle or lever handle shutoffs, and test cocks for winterization draining.

Series LF800M4QT is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim.

Additional Information

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Technical Data

Available Materials:
Lead Free Cast Copper Silicon Alloy

Pressure Rating:
to 150 psi

Temperature Range:
33°F to 140°F

Available Sizes:
1/2in, 3/4in, 1in, 1-1/4in, 1-1/2in, 2in

Connection Types:
Threaded

See product datasheet for additional details

Features

Replaceable plastic seat
Easy maintenance of internal parts
Acetal bonnet acts as “freeze plug” to prevent body damage
O-ring bonnet seal for less possibility of fouling
Silicone seat disc for durability
Test cocks positioned for easy testing and winterization
Compact space saving design
Standard equipped with tee handle quarter turn ball valve shutoffs 1⁄2" – 1". The 1-1⁄4" - 2" feature lever handles.
No special tools required for servicing

Certifications

ASSE 1020
CSA
UPC
USC