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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all
- Media: Water
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all
- Media: Water
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350A Double Check Valve Backflow Preventer provides low hazard protection for all market segments. The grooved, epoxy coated ductile iron body is available with multiple shut-off valve options for installation versatility. To view all
- Media: Water
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins 350 Double Check Valve Backflow Preventer provides low hazard protection for all applications. To view all options, see the Specification Sheet - Model 350 Features And Benefits 6" double check valve assembly with epoxy coated
- Media: Water
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Supplier: FEBCO
Description: In-Line Design Double Check Valve Assemblies are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a Lead Free* cast copper silicon alloy body and threaded ball
- Agency / Standard: ANSI, ASME, AWWA
- Connection: Bolt Flange, Union
- Material of Construction: Copper, Ductile Iron
- Media Description: Water, Potable Water
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Supplier: Honeywell International, Inc.
Description: DOUBLE CHECK TYPE 3/4 INCH NOMINAL SIZE ASSE, CSA APPLICABLE STANDARD WATER APPLICATION MAXIMUM 180 DEG F TEMPERATURE RATING MAXIMUM 150 PSI PRESSURE RATING 1/2 INCH FNPT X 3/4 INCH FNPT END CONNECTION BP700 MODEL
- Media Temperature: 180 F
- Pressure Rating: 150 psi
- Valve Size: 0.7500 inch
- Valve Type: Check Valves
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Supplier: Honeywell International, Inc.
Description: DOUBLE CHECK TYPE 1 INCH NOMINAL SIZE ASSE, CSA APPLICABLE STANDARD WATER APPLICATION MAXIMUM 180 DEG F TEMPERATURE RATING MAXIMUM 150 PSI PRESSURE RATING 1/2 INCH FNPT X 3/4 INCH FNPT END CONNECTION 1 SELF DRAINING BP700 MODEL
- Media Temperature: 180 F
- Pressure Rating: 150 psi
- Valve Size: 1 inch
- Valve Type: Check Valves
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Supplier: Honeywell International, Inc.
Description: DOUBLE CHECK TYPE 3/4 INCH NOMINAL SIZE ASSE, CSA APPLICABLE STANDARD CONTAMINATED WATER APPLICATION MAXIMUM 250 DEG F TEMPERATURE RATING CAST BRONZE BODY MATERIAL MAXIMUM 175 PSI PRESSURE RATING 1/2 INCH FNPT X 3/4 INCH FNPT END CONNECTION 1 SELF DRAINING BP900 MODEL
- Connection: Threaded
- Material of Construction: Brass / Bronze
- Media Temperature: 250 F
- Pressure Rating: 175 psi
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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
- Connection: Threaded, Tube Fitting
- Material of Construction: PTFE - Teflon®
- Media Temperature: 230 F
- Pressure Rating: 50 psi
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Supplier: Watts
Description: Series 007 Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze (1/2 to 2 in) body construction that is easy to maintain and service. Series 007 is ideal at referenced cross-connections
- Valve Size: 0.5000 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Flomatic Valves
Description: DUAL CHECK with ATMOSPHERIC VENT - Continuous pressure backflow preventer with an intermediate atmospheric vent, with double union ends. Complies with ASSE 1012, not for potable water. For reference use only. Please check Flomatic's website for the latest
- Back Flow Preventer Assembly: Yes
- Media Temperature: 210 F
- Pressure Rating: 175 psi
- Valve Size: 0.7500 inch
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Supplier: Ames Fire & Waterworks
Description: Series 2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze body construction that is easy to maintain and service. Series 2000B is ideal at referenced cross-connections identified as
- Media: Water, Hot Water, Cold Water, Potable Water
- Valve Size: 0.5000 to 2 inch
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Supplier: Ames Fire & Waterworks
Description: Series 2000SS Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel
- Media: Water, Hot Water, Cold Water, Potable Water
- Valve Size: 2.5 to 12 inch
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Supplier: Ames Fire & Waterworks
Description: Series LF2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a Lead Free* cast silicon copper alloy body construction that is easy to maintain and service. Series LF2000B is ideal at
- Media: Water, Hot Water, Cold Water, Potable Water
- Valve Size: 0.5000 to 2 inch
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Supplier: Watts
Description: Series 2000B Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze body construction that is easy to maintain and service. Series 2000B is ideal at referenced cross-connections identified as
- Material of Construction: Brass / Bronze
- Valve Size: 0.5000 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Watts
Description: Series 774 Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body
- Material of Construction: Stainless Steel
- Valve Size: 2.5 to 12 inch
- Valve Type: Double Check Valves
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Supplier: Watts
Description: Model ATG-1 Backflow Preventer Test Kit is a compact portable device made for testing all reduced pressure zone backflow prevention assemblies and double check valve assemblies. It consists of a gauge, test valves, 3 hoses with female-threaded swivel
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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
- Media: Water, Hot Water, Cold Water, Potable Water
- Valve Size: 2.5 to 4 inch
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Supplier: Mueller Company
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
- Media Description: Water, Potable Water
- Pressure Rating: 175 psi
- Valve Size: 1.5 to 2 inch
- Valve Type: Double Check Valves
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Supplier: Radwell International
Description: BACKFLOW PREVENTER, DOUBLE CHECK VALVE, W/ BALL VALVES & SAE TESTCOCKS, 1-INCH. FREE 2 YEAR RADWELL WARRANTY
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Supplier: DeZURIK, Inc.
Description: APCO Double Door Check Valves by DeZURIK are designed to automatically prevent back-flow in systems where it is desirable to permit flow in one direction and prevent flow in the opposite direction. Double door check valves are
- Material of Construction: Stainless Steel, Steel, Other
- Valve Size: 2 to 36 inch
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Supplier: HAWE North America Inc.
Description: Load holding valves are pressure valves, which act always on the returnflow side of double acting consumers. They block the return duct according to their set pressure (setting approx. 15% above the max. load pressure) generating a counter force to a pushing (negative) load.
- Media: Hydraulic Fluid
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Supplier: CSA Group
Description: protection; c) clarification on field testing installation; d) addition of cross-connection control surveyor specifications; e) removal of DCVAF double check valve for fire protection systems; and f) addition of requirements for enclosures with no minimum thermal resistance (R
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Supplier: RS Components, Ltd.
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
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Supplier: Mueller Company
Description: secure, leak - tight sealing. All service brass will comply with AWWA C-800. Components in contact with potable water will also comply with latest requirements of the Federal Safe Drinking Water Act. SUITABLE - for use as test valves on Backflow Preventers (complies with Notice
- Media: Water, Potable Water
- Pressure Rating: 100 psi
- Valve Size: 1 to 2 inch
- Valve Type: Ball Valves, Other
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overflow (SSO) mitigation, and flood control. It stands as an outstanding valve for preventing unwanted backflow, averting risks of surcharging and flooding. Click on the CheckMate UltraFlex® video for easy viewing and sharing. (read more)
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The DFT® model ALC® easily replaces unreliable double door / butterfly check valves. -- No more door springs or hinge pin failures -- No more leakage due (read more)
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our systems are designed to deliver reliably within our ISO9001-2015 quality management system. For more than seventy-five years DFT has solved check valve problems, prevented check valve failure and water hammer, and solved severe service control valve problems. For more information on (read more)
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, FEA, and CFD design technology software. Our staff responds quickly and our systems are designed to deliver reliably within our ISO9001-2015 quality management system. For more than seventy years DFT has solved check valve problems, prevented check valve failure, and water hammer, and solved (read more)
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: http://dft-valves.com/pdf/Check-Valve-Catalog.pdf DFT® Inc. manufactures in-line axial flow check valves for applications across many industries. Our check valves are designed to prevent or eliminate water hammer problems and can be custom-sized to meet specific application requirements (read more)
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exposed to fire, corrosion, or other harsh chemicals. DFT has engineered and manufactured this tight sealing, non-slam, axial flow wafer check valve with a 1-piece solid-body construction (to prevent leak paths) and no exposed studs, which could affect the integrity of the valve in the event of fire (read more)
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States > Illinois > State > Regulations > Title 77 - Public Health > Chapter I - Department of Public Health > Subchapter r - Water and Sewage > [77 Ill. Adm. ...
"Backflow Preventer, Double Check Valve Backflow Preventer Assembly" or "DCV": A plumbing appurtenance consisting of two internally force loaded, independently acting check valves that operate normally in the closed position; two tight-closing, resilient seated shut-off valves; and four test cocks.
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States > Illinois > State > Register > 2013 > 04/26/2013
"Backflow Preventer, Double Check Valve Backflow Preventer Assembly" or "(DCV)": A plumbing appurtenance consisting of two2 internally force loadedforce-loaded, independently acting check valves thatwhich operate .
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States > Illinois > State > Register > 2014 > 05/09/2014
Backflow Preventer, Double Check Valve Backflow Preventer Assembly" or "(DCV)": A plumbing appurtenance consisting of two2 internally force loadedforce-loaded, independently acting check valves thatwhich operate normally in the closed position; two2 tight-closing, resilient seated shut-off valves; and …
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Countries > Canada > Province of Quebec > Regulations > Building Act > [CANADA Que Reg b1-1/2] Regulation 2 - Construction Code
(c) Class 1 fire sprinkler/standpipe systems not covered by Clause (b) as well as Class 2 and Class 3 fire sprinkler/standpipe systems shall be protected by a double check valve backflow preventer , provided that the systems do not use antifreeze or other …
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Countries > Canada > Province of Ontario > Regulations > Building Code Act > [CANADA Ont Reg 2012-332] Regulation 332/2012 - Building Code
Double Check Valve Backflow Preventers for Fire Protection Systems (DCVAF .
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Wilkins 950- XL 3/4" Double Check Valve Backflow Preventer at PlumberSurplus.com
Wilkins 950- XL 3/4" Double Check Valve Backflow Preventer .