Plastic Backflow Preventers

Description: /4" stainless Steel reduced pressure principle assembly All stainless Steel and engineered plastic construction Designed for use in systems that are corrosive to bronze valves Excellent for food service use Low-lead law compliant

• Media: Water

Description: /2" stainless Steel reduced pressure principle assembly All stainless Steel and engineered plastic construction Designed for use in systems that are corrosive to bronze valves Excellent for food service use Low-lead law compliant

• Media: Water

Description: " stainless Steel reduced pressure principle assembly All stainless Steel and engineered plastic construction Designed for use in systems that are corrosive to bronze valves Excellent for food service use Low-lead law compliant

• Media: Water

Description: Caps and Tethers are designed to protect backflow preventer test cocks from dirt and debris. Four are required per backflow preventer. Models include plastic cap with rubber tether and brass cap with rubber tether.

Description: The Asahi/America ball check valve employs a free moving ball, which unseats to permit flow in one direction, but seals against a seat to prevent backflow. It may be installed vertically or horizontally. Also available as foot valve for suction side of pump.

• Actuation: Manual / Hand
• Material of Construction: PVC, Polypropylene (PP), PVDF, Other
• Valve Size: 0.5000 to 4 inch
• Valve Type: Ball Valves, Check Valves

Description: , but seals against a seat to prevent backflow. Can be installed vertically or horizontally. Uniseat/seal of Viton. Ball is the only moving part. It unseats to permit flow in one direction but seals against seat to prevent backflow. Minimum shut-off of 5 psi. All sizes

• Connection: Threaded
• Material of Construction: PVDF
• Valve Size: 0.7500 inch
• Valve Type: Check Valves

Description: Designed to prevent backflow in numerous applications where easy service access for maintenance and cleaning is needed. Excellent for use in sanitary or storm sewer drainage systems to prevent waste back up due to inadequate drainage, for balancing multi-level ponds, aquaculture

Description: Hayward true check ball check valves with viton seals, NSF listed material and 150 PSI at 70 degrees F., prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure unseats the solid

• Connection: Threaded, Union, Socket Weld / Solder
• Material of Construction: CPVC
• Valve Size: 0.5000 inch
• Valve Type: Check Valves

Description: Hayward true check ball check valves with viton seals, NSF listed material and 150 PSI at 70 degrees F., prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure unseats the solid

• Connection: Threaded, Union
• Material of Construction: Polypropylene (PP)
• Valve Size: 1.5 inch
• Valve Type: Check Valves

Description: The IV Series Injection Valves and IQ Series Injection Quills facilitate injection of chemicals away from pipe or tank inner walls, ensuring rapid mixing and preventing corrosion. Each design includes a built-in ball check valve with Hastelloy CTM spring to prevent back-flow of

• Actuation: Mechanical Device
• Connection: Threaded
• Material of Construction: PVC, CPVC, PVDF, Other
• Number of Ports/Ways: 2

Description: Our IPS Check Valve feature all PTFE wetted surfaces for excellent performance in all high purity applications. Our PTFE design resists chemical corrosion and other elements within a harsh process environments. IPS Check Valves are commonly found as backflow preventers in clean

• Actuation: Manual / Hand
• Connection: Threaded, Tube Fitting
• Material of Construction: PTFE - Teflon®
• Pressure Rating: 50 psi

Description: anodized aluminum occlusion bed swings open for quick loading of the two-stop tube sets. Wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing. MAX button runs motor at full rpm to rapidly prime or flush tubing. Self-lubricating thermoplastic polyester

• Key Brands / Trademarks: Tygon?
• Maximum Inside Diameter / Size: 0.0315 inch
• Pressure Rating: 40 psi
• Temperature Range: 165 F

Description: anodized aluminum occlusion bed swings open for quick loading of the two-stop tube sets. Wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing. MAX button runs motor at full rpm to rapidly prime or flush tubing. Self-lubricating thermoplastic polyester

• Key Brands / Trademarks: Tygon?
• Maximum Inside Diameter / Size: 0.1220 inch
• Pressure Rating: 40 psi
• Temperature Range: 165 F

Description: anodized aluminum occlusion bed swings open for quick loading of the two-stop tube sets. Wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing. MAX button runs motor at full rpm to rapidly prime or flush tubing. Self-lubricating thermoplastic polyester

• Key Brands / Trademarks: Tygon?
• Maximum Inside Diameter / Size: 0.1890 inch
• Pressure Rating: 35 psi
• Temperature Range: 165 F

Description: . Applications The SV111 is suitable for a broad range of industrial applications, both new and retrofit. Typical applications include: Unidirectional flow of ink and toner in printing ink systems Eliminates back-flow of chemical processes

• Actuation: Mechanical Device
• Connection: Threaded
• Material of Construction: PTFE - Teflon®
• Number of Ports/Ways: 2

Description: anodized aluminum occlusion bed swings open for quick loading of the two-stop tube sets. Wide occlusion angle prevents fluid backflow up to the rated pressure of the tubing. MAX button runs motor at full rpm to rapidly prime or flush tubing. Self-lubricating thermoplastic polyester

• Key Brands / Trademarks: Tygon?
• Maximum Inside Diameter / Size: 0.0630 inch
• Pressure Rating: 40 psi
• Temperature Range: 165 F

Description: Prevents contamination of water arising from back siphoning, backflow or cross connection. 15mm connection only Type = Double Body Material = POM Maximum Working Pressure = 12 bar

• Material of Construction: Other
• Pressure Rating: 174 psi
• Valve Type: Check Valves

Description: processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50 PSI and -40 to 126°C. Autoclavable, zero maintenance, 1-1/4 inch length unit installs in any position. Prevents damage to equipment, pumps, and flow systems by preventing

• Maximum Discharge Flow: 0.0225 GPM
• Media Temperature: 500 F
• Power Source: AC Powered

Description: processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50 PSI and -40 to 126°C. Autoclavable, zero maintenance, 1-1/4 inch length unit installs in any position. Prevents damage to equipment, pumps, and flow systems by preventing

• Maximum Discharge Flow: 0.6250 GPM
• Media Temperature: 200 F
• Power Source: AC Powered

Description: Zurn 1-1/2" X 21" vacuum breaker with flush tube kit helps prevent back siphonage and backflow into potable water. Features And Benefits For use AquaVantage® and Aquaflush® Flush Valves Polished chrome finish Nut not included in kit

• Application: Water

Description: Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a PVC body, blue ABS/nylon female luer lock cap and TPE gasket, Qosina part #80403 is designed to prevent the backflow of fluid and can accommodate 2 FR tubes or

• Material of Construction: PVC, Polyethylene (PE), Other

Description: Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a clear PVC male luer lock body, blue flat ABS/nylon cap and silicone gasket, Qosina part #80408 is designed to prevent the backflow of fluids and can accommodate 4

• Material of Construction: PVC, Other

Description: Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a clear PVC male luer lock body, blue flat ABS/nylon cap and silicone gasket, Qosina part #80350 is designed to prevent the backflow of fluids and can accommodate 9

• Material of Construction: PVC, Other

Description: Qosina offers a variety of valves and tuohy borst adapters that are in stock and ready for immediate delivery. Made with a tinted polycarbonate male luer lock body, clear acrylic spin lock and silicone gasket, Qosina part #80369 is designed to prevent the backflow of fluids and can

• Material of Construction: Other

Description: 2 m. Maximum liquid temperature 60°C. Can run dry for extended periods. Sealed pressure switch and motor. Built-in backflow preventer Pump Type = Diaphragm Drive Type = Electric Maximum Flow Rate = 5.3L/min Maximum Head = 105m Maximum Working Pressure = 10.5 bar Input

• Discharge Size: 0.3750 inch
• Housing Material: Plastic
• Maximum Discharge Pressure: 152 psi
• Maximum Discharge Flow: 1.4 GPM

Description: 2 m. Maximum liquid temperature 60°C. Can run dry for extended periods. Sealed pressure switch and motor. Built-in backflow preventer Pump Type = Diaphragm Drive Type = Electric Maximum Flow Rate = 5.5L/min Maximum Head = 105m Maximum Working Pressure = 10.5 bar Input

• Discharge Size: 0.3750 inch
• Maximum Discharge Pressure: 152 psi
• Maximum Discharge Flow: 1.45 GPM
• Media Temperature: 140 F

Description: included check valve should be installed in the return line downstream from the Return manifold to prevent backflow to the mold. Tubing may be connected to the manual vent-drain port so any residual water after the purge cycle can be drained into a suitable container or floor drain. An

• Actuation: Manual / Hand
• Connection: Threaded
• Material of Construction: Nylon - Polyamide
• Number of Ports/Ways: 3

Description: extended period. Built-in thermal overload protection. Low amp draw for battery powered applications. Pressure switch control for automatic on/off if required. Built in backflow preventer Pump Type = Diaphragm Drive Type = Electric Maximum Flow Rate = 3.8L/min Maximum Head = 25m

• Discharge Size: 0.3750 inch
• Housing Material: Plastic
• Maximum Discharge Pressure: 34.81 psi
• Maximum Discharge Flow: 1 GPM

Description: to repair has been located, place a 2" strip of blue tape where the hole will be drilled. This will mark the spot and aid in the cleanup process.(See figure G) 4. Use 1/8" drill bit and drill a hole through the tape and wood flooring. Drilling on an angle will prevent backflow of

• Cure Type / Technology: Two Component System

Description: Corrosion Resistant Aluminum Body Prevents Contamination of Water Supply Meets Most Chemigation and Backflow Prevention Provides for Safe Injection of Completely Unitized Certified in Most States to Meet Uses In

Description: MUELLER CO. offers a full range of service line dual check valves. These valves are available in angle or in line styles and can be used on copper meter yokes, cast iron meter yokes, cast iron meter boxes or in custom meter installations. Dual check valves are used to prevent the

• Agency / Standard: AWWA
• Media Description: Water, Potable Water
• Pressure Rating: 175 psi

Description: built into the heads to prevent backflow for water quality assurance • WQA Certified to NSF/ANSI Standard 58** • All models use 3/8" tubing from the tank to the faucet

• Media: Water

Description: designed to allow free outflow and prevent backflow for maximum seating heads of 40 feet. Gates shall be Waterman Model AF-41 or equal. Construction The frame shall be aluminum of flatback, spigotback or flangeback design (or other specified design configuration as required) with