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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for all applications. The flanged, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all options, see
- Features: Back Flow Preventer Assembly
- Media: Water
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Supplier: Zurn Industries LLC
Description: Reduced Pressure Principle Backflow Preventer 1" 375 Reduced Pressure Principle Assembly offers high hazard protection against backsiphonage and backpressure in non-potable water applications. Most often used by irrigation contractors, the top benefits of the
- Features: Back Flow Preventer Assembly
- Media: Water
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 375 Reduced Pressure Principle Backflow Preventer provides high hazard protection for non-potable applications. The innovative EZSwap® pressure vessel can be removed and replaced with the flush fitting tool for faster flushing and testing. To view
- Features: Back Flow Preventer Assembly
- Media: Water
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Supplier: Zurn Industries LLC
Description: Irrigation backflow preventer 2-975XL with wye pattern provides high hazard protection for your commercial water applications. This backflow device has two check valves which are accessible tor maintenance without removing the relief valve at the entire device from the
- Features: Back Flow Preventer Assembly, Check Valves
- Media: Water
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Supplier: Watts
Description: Series 911, 911S Combination Fill Valve and Backflow Preventers are for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a brass
- Valve Size: 0.5 inch
- Features: Back Flow Preventer Assembly
- Media: Steam, Water
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Supplier: Watts
Description: Series BD911 combination fill valve and backflow preventer consists of a Model 9D backflow preventer and Model BD1156F feed water pressure regulator in one pre-assembled unit. This valve is a high capacity valve designed for use on boiler feed lines to
- Valve Size: 0.5 inch
- Features: Back Flow Preventer Assembly, Brass / Bronze
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Supplier: Watts
Description: Model TK-99D Delta Lite Backflow Preventer Test Kit is an advanced hand-held instrument designed to test pressure vacuum breakers, spill resistant vacuum breakers, double check valve assemblies, double check detector assemblies, reduced pressure zone backflow
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Supplier: Watts
Description: Series B911, B911S Bronze Combination Fill Valve and Backflow Preventers are for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of
- Valve Size: 0.5 inch
- Features: Back Flow Preventer Assembly, Brass / Bronze
- Media: Steam, Water
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Supplier: Lee Co. (The)
Description: This miniature, high pressure check valve is only 0.25 inches in diameter and 1 inch in length. Its robust design prevents backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 5 GPM. Features Diameter: 0.25 inches
- Valve Size: 0.25 inch
- Pressure Rating: 8,000 psi
- Valve Type: Check Valves
- Features: Other
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Supplier: Lee Co. (The)
Description: This miniature, high pressure check valve is only 0.5 inches in diameter and 1.8 inches in length. Its robust design prevents backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 20 GPM. Features Diameter: 0.5 inches
- Valve Size: 0.5 inch
- Pressure Rating: 8,000 psi
- Valve Type: Check Valves
- Features: Other
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Supplier: Lee Co. (The)
Description: This miniature, high pressure check valve is only 0.375 inches in diameter and 1.37 inches in length. Its robust design prevents backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 11 GPM. Features Diameter: 0.375
- Valve Size: 0.375 inch
- Pressure Rating: 8,000 psi
- Valve Type: Check Valves
- Features: Other
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Supplier: Lee Co. (The)
Description: This miniature, high pressure check valve is only 0.125 inches in diameter and 0.52 inches in length. Its robust design prevents backflow in high pressure systems up to 8000 psi. It is ideal for applications with flow rates up to 0.8 GPM. An integral safety screen
- Valve Size: 0.125 inch
- Pressure Rating: 8,000 psi
- Valve Type: Check Valves
- Features: Other
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Supplier: ifm electronic gmbh
Description: Reliable volumetric flow monitoring of the internal cooling of the drill on machine tools With integrated backflow preventer Precise linearized analogue output Robust housing with very high pressure rating Very short response time
- Media Temperature Range: 32 to 140 F
- Operating Pressure: 2,900.754 psi
- Operating Temperature: 32 to 140 F
- Gas Volumetric Flow Rate: 0.010593220338983052 to 1.765536723163842 SCFM
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Supplier: ifm electronic gmbh
Description: Reliable volumetric flow monitoring of the internal cooling of the drill on machine tools With integrated backflow preventer Intuitive continuous adjustment of the switch points Robust housing with very high pressure rating Very short response time
- Media Temperature Range: 32 to 140 F
- Operating Pressure: 2,900.754 psi
- Operating Temperature: 32 to 140 F
- Media Temperature: 32 to 140 F
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Supplier: WEH Technologies Inc.
Description: High pressure valve with check valve for inert gases up to 6,000 psi (420 bar) The high pressure valve type TV17GR is designed as a shut-off valve for pressurized gases. The valve prevents backflow of the medium at the outlet port. Therefore no gases can enter the
- Valve Size: 0.4724412 inch
- Pressure Rating: 6,000 psi
- Media Temperature: -22 to 140 F
- Number of Ports/Ways: 2
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Supplier: Check-All Valve Mfg. Co.
Description: The Universal High Pressure check valve is a one piece body machined from bar stock with female pipe threads. The valve is designed and manufactured for high pressure applications. For applications below 3000 PSIG, view our UN-3 series. Available Materials: 316 Stainless
- Valve Size: 0.75 inch
- Pressure Rating: 10,000 psi
- Flow (Cv): 7.2
- Number of Ports/Ways: 2
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Supplier: Radwell International
Description: FILTER REGULATOR, HIGH PRESSURE, BACKFLOW FUNCTION, 3/8 PORT SIZE. FREE 2 YEAR RADWELL WARRANTY
- Number of Ports/Ways: 8
- Media: Air
- Features: Back Flow Preventer Assembly, Regulator (general)
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Supplier: Blacoh Fluid Control, Inc.
Description: 1" 316 SS BACK PRESSURE VALVE, PTFE, BSP, HIGH PRESSURE
- Valve Size: 1 inch
- Number of Ports/Ways: 2
- Pressure Rating: 350 psi
- Features: Back Flow Preventer Assembly, Stainless Steel
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Supplier: Ames Fire & Waterworks
Description: Series M200Na Double Check Valve Assemblies are specifically designed for high flow fire systems to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating bi-link
- Valve Size: 2.5 to 4 inch
- Pressure Rating: 175 psi
- Media Temperature: 33 to 110 F
- Features: Back Flow Preventer Assembly, Check Valves, Double Check Valves, Fire Service, SDWA "Lead Free" Compliant, Stainless Steel
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Supplier: Ames Fire & Waterworks
Description: Series M300, M300N Double Check Valve Assemblies are specifically designed for high flow fire systems to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating
- Valve Size: 2.5 to 10 inch
- Pressure Rating: 175 psi
- Media Temperature: 33 to 110 F
- Features: Back Flow Preventer Assembly, Check Valves, Double Check Valves, Fire Service, SDWA "Lead Free" Compliant, Stainless Steel
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Supplier: Check-All Valve Mfg. Co.
Description: The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10 series. For applications where
- Valve Size: 4 inch
- Pressure Rating: 1,500 psi
- Flow (Cv): 140
- Number of Ports/Ways: 2
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Supplier: Velan, Inc.
Description: A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in conventional thermal and nuclear power plants as well as other HP steam services around the world. Also preferred in high
- Valve Size: 2 to 24 inch
- Features: ASME, Butt Weld, Socket Weld / Solder
- Valve Type: Butterfly Valves, Check Valves
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Supplier: Mueller Steam Specialty
Description: Designed to prevent surge, backflow, and water hammer in liquid service. These check valves are available in cast iron, bronze or stainless steel, pressure and temperature conditions will dictate the appropriate body material. For air and gas applications, consult factory.
- Valve Size: 0.25 to 2 inch
- Pressure Rating: 200 to 600 psi
- Media Temperature: 150 F
- Number of Ports/Ways: 2
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Supplier: Shenzhen Jewellok Technology Co., Ltd.
Description: initiated by a technician, the system uses integrated pressure switches and flow monitors to guide the process and prevent backflow or cross-contamination. Constructed from electropolished 316L stainless steel, the internal manifold maintains ultra-high purity (UHP) standards
- Application: Gas
- Body Material: Stainless Steel
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Supplier: Shenzhen Dechengwang Technology Co., Ltd
Description: Materials Available Our strength lays in our people; our machine, and our ISO system control: Over 17 years focus on PTFE filed, our machinists are Highly Experienced With PTFE Grade and machining skills. We operate multiple, automatic, high speed and precision facilities(like Tsugami), a
- Features: Angle Valves, Back Flow Preventer Assembly, Ball Valves, Choke Valves, Diaphragm Valves, Foot Valves, Piston Valves, Pressure Relief Valves, Safety Valves, Sanitary / Hygienic Valves, Shut Off Valves, Solenoid Valves
- Media: Chemical, Cold Water, Gasoline / Diesel Fuel, Ground Water, High Purity Gas, Hot Water, Hydraulic Fluid, LP - Gas, Potable Water, Salt Water, Specialty / Corrosive Gases, Wastewater, Water
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Supplier: Shenzhen Dechengwang Technology Co., Ltd
Description: properties and Electrical insulation Non stick, low friction High performance of self-lubricants. No ageing It can Resistance to weathering High thermal stability and flame resistance, which mean it can resist fire. Non wetting Smooth surface finish can be achieved Food grade
- Features: Angle Valves, Back Flow Preventer Assembly, Diaphragm Valves, Foot Valves, Manual / Hand, Needle Valves, Piston Valves, Pressure Relief Valves, Safety Valves, Sanitary / Hygienic Valves, Shut Off Valves, Solenoid Valves
- Media: Chemical, Cold Water, Gasoline / Diesel Fuel, High Purity Gas, Hot Water, Hydraulic Fluid, LP - Gas, Potable Water, Salt Water, Specialty / Corrosive Gases, Steam, Wastewater, Water
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Supplier: Western Analytical Products
Description: " Nonmetallic and Biocompatible Low Cracking Pressure of 1 psi (0.07 bar) Excellent Chemical Resistance Upchurch Scientific® Inline Check Valves provide excellent backflow protection for sensitive equipment along with outstanding chemical resistance only available from PEEK polymer and
- Valve Type: Check Valves, Pressure Relief Valves
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Supplier: Western Analytical Products
Description: " Nonmetallic and Biocompatible Low Cracking Pressure of 1 psi (0.07 bar) Excellent Chemical Resistance Upchurch Scientific® Inline Check Valves provide excellent backflow protection for sensitive equipment along with outstanding chemical resistance only available from PEEK polymer and
- Valve Type: Check Valves, Pressure Relief Valves
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Supplier: ASCO
Description: performance Metal retainers - Supports the media both inside and outside during pressure spikes or high differential pressures Drain layer - Large pore fibers allow the large coalesced liquids to drain to the bottom of the bowl End caps - Aluminum end caps provide sturdiness and
- Filter Size Rating: 0.3 microns
- Maximum Air Volume: 1,125 SCFM
- Maximum Inlet Pressure: 250 psi
- Connection: 1½" NPT, 1" NPT, 1/2" NPT, 1/4" NPT, 2" NPT, 3/4" NPT, 3/8" NPT
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Supplier: ASCO
Description: performance Metal retainers - Supports the media both inside and outside during pressure spikes or high differential pressures Drain layer - Large pore fibers allow the large coalesced liquids to drain to the bottom of the bowl End caps - Aluminum end caps provide sturdiness and
- Filter Size Rating: 0.01 microns
- Maximum Air Volume: 675 SCFM
- Maximum Inlet Pressure: 250 psi
- Connection: 1½" NPT, 1" NPT, 1/2" NPT, 1/4" NPT, 2" NPT, 3/4" NPT, 3/8" NPT
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Supplier: Western Analytical Products
Description: " Nonmetallic and Biocompatible Low Cracking Pressure of 1 psi (0.07 bar) Excellent Chemical Resistance Upchurch Scientific® Inline Check Valves provide excellent backflow protection for sensitive equipment along with outstanding chemical resistance only available from PEEK polymer and
- Valve Type: Check Valves, Pressure Relief Valves
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Supplier: ASCO
Description: performance Metal retainers - Supports the media both inside and outside during pressure spikes or high differential pressures Drain layer - Large pore fibers allow the large coalesced liquids to drain to the bottom of the bowl End caps - Aluminum end caps provide sturdiness and
- Filter Size Rating: 3 microns
- Maximum Air Volume: 1,856 SCFM
- Maximum Inlet Pressure: 250 psi
- Connection: 1½" NPT, 1" NPT, 1/2" NPT, 1/4" NPT, 2" NPT, 3/4" NPT, 3/8" NPT
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Supplier: International Polymer Solutions Inc.
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
- Valve Size: 0.125 to 0.5 inch
- Pressure Rating: 50 psi
- Media Temperature: 230 F
- Valve Type: Check Valves
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Supplier: JiuJiang Ingiant Technology Co., Ltd.
Description: wires power or signals. High precision metal bearing support, smooth operation. Ingiant special high speed and high pressure sealing structure, no sealing ring contact wear, Ensure the product runs without failure for a long time. The high pressure and
- Operating Speed: 200 rpm
- Operating Temperature: -22 to 176 F
- Features: Military Grade
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Supplier: DeZURIK, Inc.
Description: lubrication is not performed. Waterflex membranes are fabricated in dedicated compression molds and are ply-reinforced for superior durability. Waterflex operate solely on differential pressure – forward differential pressure deflects the membrane away from the perforated disc allowing
- Valve Type: Check Valves
- Media: Water
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States > Kentucky > State > Regulations > Title 815 - Public Protection Cabinet Department of Housing‚ Buildings‚ and Construction > [815 KAR 20] 2...
Reduced pressure principle backflow preventer for high hazard cross connections .
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States > Kentucky > State > Proposed Regulations > 2013 Documents > Plumbing > May 1‚ 2013 > 815 KAR 20:120 - Water supply and distribution
Reduced pressure principle backflow preventer for high hazard cross connections .
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Quality Assurance Program Plan (QAPP) Waste Management Project
The task or SSC performs a function that minimizes risk to workers or the public (e.g., HVAC system, glove box, high - pressure steam line, backflow preventer , etc.). b.
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States > New Jersey > State > Proposed Regulations > 2008 Documents > July 7, 2008 > [2008 NJ Proposed nj-20080707-0025-0002470] N.J.A.C. 5:23 - Uniform Constr...
… system is supplied from a potable water system and is located more than 1,700 feet from a non-potable water supply because the pressure drop required for an RPZ backflow preventer is much higher than the pressure drop for a double …
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CR4 - Thread: Need Backflow Preventer for 600 PSI Water Line
Does anyone know of a backflow preventer for a 600 psi high pressure water line.
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AWWA M14 - Backflow Prevention and Cross-Connection Control Recommended Practices
If the water pressure in a consumer’s plumbing system exceeds that of the public distribution system, water will flow from high pressure to low pressure if a backflow preventer is not installed.