Top 10 Best 3/4 Backflow Preventer

Wye pattern design for short lay length. Short lay length eases replacement labor costs. If installed indoors, the installation will be supplied with an air gap adapter and integral monitor switch..

Maximum working water pressure 150 PSI. Maximum working water temperature 110F. Hydrostatic test pressure 300 PSI. End connections threaded ANSI B1.20.1. All bronze body and bonnet construction. Standards Compliance ASSE Listed 1020, IAPMO Listed, CSA Certified. Main valve body Cast Bronze ASTM B584. Fasteners Stainless Steel, 300 Series.

Replaceable seats and silicone rubber check disks. Bronze construction with corrosion resistant internals. Wye pattern design for short lay length. Country of origin China.

Durable, lead free bronze body construction.. NPT inlet and outlet connections.. Quarter turn full port resilient seated ball valve shutoffs.. Single access cover and modular check construction for the ease of maintenance.. Large body passages provide a low pressure drop.Captured springs for safe maintenance.

Package Dimensions 11.938 H x 15.24 L x 31.242 W centimetres. Package Weight 2.267 kilograms. Assembly shall provide protection where a potential health hazard does not exist. Country of Origin United States.

Febco 860 1312 quarter turn shutoff 34 inch reduced pressure zone assembly. Maximum working pressure 175Psi. Hydrostatic test pressure 350 psi. Temperature range 32 - 140 degrees.

Specifications34-inch female hose threaded inlet,34-inch male hose threaded outlet.The -Inch thread outlet is compatible with most of standard hose and end valves including hose bib, sillcocks, wall faucets and garden hose.. TemperaturesMax. operating temp. rating 180oF82oC, Max. operating pressure rating 125 PSI.. ApplicationBreak-off screw for permanent attachment. Eliminates back-siphonage into water supply,anti-backflow valve for RV, garden spigot, outside water faucets, hose bibs, hydrants.. Material Litorange Brass for corrosion resistance, high temperature ductility and low magnetic permeability.Meets ASSE 1011CSA B64.2, Meets ANSINSF 61-9 Standard.. Package include 2 PCS Vacuum Breaker with 2 PCS extra red washers.Comes with 1 year guarantee..

Lead free bronze body construction.. Includes NPT inlet and outlet connections.. Quarter turn full port resilient seated ball valve shutoffs.. Single access cover and modular check construction for the ease of maintenance.. Internal relief valve for reduced installation clearances..

Lead Free Compliant. Unique Removable Pressure Valve. Top Access to Test Cocks. This is an aftermarket of generic part. Lead Free Compliant. Unique Removable Pressure Valve. Top Access to Test Cocks.

Made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications to prevent backflow. Suitable for use on hot or cold water and can be used under continuous pressure temperature range 33F 250F 0.5C 121C, maximum working pressure 175psi 12.1 bar, minimum required pressure 25psi 1.7 bar. Features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing and a secondary check valve utilizes a rubber disc-to-metal seating. Construction is bronze body with stainless steel working parts, integral strainer and durable rubber discs. To be installed at referenced cross-connections vertically or horizontally.