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. Maximum Pressure:150 psi (10.3 bar), Minimum Pressure: 15 psi (55 kPa).
$308.83
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Replaceable plastic seat
Easy maintenance of internal parts
Acetyl 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
No special tools required for servicing
The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
Specifications
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Body Material:Â Cast Copper Silicon Alloy
Dimensions:Â 7-1/2 in L x 7-1/2 in H in
Domestic/Import:Â Domestic
Flow Rate:Â 7.5 fps
Nominal Size:Â 1 in
Port Type:Â Drain/Blow Down
Pressure Rating:Â 150 psi
Series:Â 800M4QT
Temperature Rating:Â 33 to 140 deg F
Type:Â Anti-Siphon
Warranty
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1 Year Limited
Standards & Approvals
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ANSI/ASSE 1020
Approved by the foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California
CSA Certified
cCSAus Certified
USC Manual Section 10
UPC Listed
PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.