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It is furnished with ball type test cocks and quarter-turn, full-port bronze ball valves for shut-offs. The GFAVB is a non-testable unit and are good for back siphonage only for non-health hazard or health hazard conditions. Is there something else you are looking for? Flomatic is a Valve Manufacturer Certified under ISO 9001 and ISO 14001 Quality and Environmental Management Systems. Q. 0000043748 00000 n 0000005532 00000 n Double check valve assembly backflow preventers are often found on water lines servicing fire sprinkler systems, commercial swimming pools, water treatment tanks, to name a few. Only digits are allowed. JavaScript seems to be disabled in your browser. 0000002920 00000 n The term "Cross-Connection Control" is essentially is referring to backflow prevention.
P: 713-937-7602Toll Free: 888-611-7275, 8491 Hwy 87 EastSan Antonio, TX 78263P: 210-227-7275, 1200 N Fwy Service Rd
Backflow of water is caused by the pressure differential between the upstream (water main) and the downstream of the backflow device. Our design and manufacturing capabilities offer client focused solutions to meet the growing demands and regulatory requirements of the water industry. The definition of a Cross Connection is "A cross connection is the actual or potential connection between a non-potable substance or source." 0000013792 00000 n
15 Pruyn's Island Drive connection, Fire dept.
We stock over 30,000 products for steam and hydronic heating systems. Our price is lower than the manufacturer's "minimum advertised price." 0000048667 00000 n
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ParkUSA, a Northwest Pipe Company, provides innovative water, wastewater, and stormwater equipment and technology for infrastructure and built environments. Backflow of water is caused by the pressure differential between the upstream (water main) and the downstream of the backflow device. Local authorities will dictate what types of backflow preventers may not be used depending on the backflow risk and health hazard. 0000001530 00000 n
We have been in the business of making sure that you get the job done right since 1933. Sign In to access your account information. Check with local authorities for required installation, as most do not recognize these as backflow prevention devices. This piece of equipment is the center of controversy with many backflow authorities and should never be confused with Double Check Valves. In a non -flow condition, check valves in the by-pass and mainline units are closed. 
The water outlet at the property is higher than the water main, causing constant back pressure., Heavy water use downstream reduces water pressure upstream., Precast concrete vault H-20 truck loading, Reduced Pressure Preventer Assemblies - Model, Single Detector Check Valve Assemblies - Model, Double Detector Check Valve Assemblies - Model. 0000016391 00000 n
"Detect or Check" Backflows are the same as the "Double Checks" with the addition of a "By-Pass Detect or Meter" installed across the check valves. 0000038286 00000 n
See below for more Backflow Preventer Valve variations. Flows from O to 5 GPM will flow through the bypass. %PDF-1.6
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The following backflow preventer types are available in all sizes: Dual Check Valve - Model GF8080, GF8080E - The Dual Check Valve or double backflow prevention valve is basically a stripped down Double Check Valve without shut off valves and test cocks. A customer is using water at a higher pressure than the pressure supplied. This detect or meter is used to detect unauthorized water usage or system leakage. Maximum amount of digits: 6. They are used in industrial settings where chemicals are connected to water lines, and in municipal water systems to keep undesirable liquids and solids from contaminating plumbing. Copyright 1995-2022 eBay Inc. All Rights Reserved. "What is a test cock?" Its sole job is to prevent drinking water from being contaminated due to backflow. A.Test Cocks are used to facilitate backflow assembly testing or as isolation valves for gauges or small equipment lines. 10 0 obj
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Holidays Observed, State Supply is known by building maintenance professionals across the nation as the premier boiler room supply superstore. Some municipalities do not allow the use of GFAVBs. This detect or meter is used to detect unauthorized water usage or system leakage. You don't need an account to purchase from us, but without an account you will miss out on a few important features: Watts number 009QT 1" NPT reduced pressure backflow preventer with a double check valve assembly for high hazard cross-connections and continuous pressure applications. H\@w+~g-!K`J>Gq R>Sj#Lw}5/&>1,n}n9K?$ya]>LIqTu)s?\4 0,&396L_k0Zrz?S0p6p Ikkxm0ten,9-Vj~~Po{7-{Z9uB-A{jMK[QWQ^B/K%x ^B/K%x dkg"8DK)|98989898{qdv`vtTQQ*j2"2"2"2"2"g.\. All rights reserved. This operation at low flow rates is accomplished by designing the differential pressure drop across the by-pass line to be slightly less than the mainline check valves. Flows in excess of 5 GPM will open the mainline check valves for normal flow. Q. Simply stated, a backflow preventer is a check valve device thats installed on a potable piping system that allows water to flow in one direction, but never in the opposite direction. 0000009727 00000 n
1 product ratings - NEW ZURN WILKINS 1-975XL REDUCED PRESSURE BACKFLOW PREVENTER 1", 1 product ratings - WATTS LF007M1-QT 1 Backflow Preventer Double Check Valve Assembly Lead Free NEW, 4 product ratings - Watts 0061793 - 7 1" NPT Brass Backflow Preventer Valve, 3 product ratings - Watts 0391004 1" Lead, 3 product ratings - Watts 0391004 Backflow Check Valve,1",Preventer, 1 product ratings - JONES STEPHENS B59002LF Dual Check Backflow Preventer,1",No lead, 4 product ratings - Febco 1" BV-Pressure Vacuum Assembly, 765. T: * ((( tA]BsZrF bL-& Gx
*l Various types of backflow preventers exist for different applications and health hazard conditions, check state and other local administrative codes or other regulation on the correct backflow to use. valve & fire dept. Atmospheric Vacuum Breaker - Model GFAVB - The atmospheric vacuum breaker is one of the least expensive backflow prevention assembly.
For further information about how the law determines what is "lead free", rules regarding which plumbing products must be "lead free", and who these laws will affect, please click here. There are two types of backflow, the first is back pressure where the pressure in the downstream piping is greater than the supply pressure, this is caused by a pump or elevation of water in a high rise building, the other type of backflow is back siphonage which is caused by sub-atmospheric pressure in the water system piping. 0000002334 00000 n We have one phone number that gets answered by real people. 2022 State Supply. Backflow is the undesirable reversal in the flow of water from a real or potential source of contamination back to the potable (or clean) water supply. 0000006257 00000 n 0000003003 00000 n 0000010187 00000 n
This operation at low flow rates is accomplished by designing the differential pressure drop across the by-pass line to be slightly less than the mainline check valves. N-pattern reduced pressure assembly, Reduced Pressure Backflow Preventer Assemblies, 201 NE Park Plaza DriveSuite 100, Vancouver, WA 98684P: 360-397-6250, 7015 Fairbanks N Houston OR - find plumbing supplies starting with: Prevents the backflow of polluted water from contaminating the potable water supply, 2014 Federal Safe Drinking Water Act compliant, Non-reversible checks with captured springs prevents the backflow of polluted water from contaminating the potable water supply, Plastic on plastic check guiding reduces potential binding due to mineral deposits, Separate access, top entry check valve design, Reversible seat disc rubber extends check valve life, Compact design allows for efficient installation, 1/2", 3/4", and 1" sizes have tee handles, Designed to protect potable water supplies as required by national plumbing codes and water authority requirements, Large body passages provides low pressure drop, Single access cover and modular check construction for ease of maintenance, Top entry so all internals are immediately accessible, Internal relief valve for reduced installation clearances, Screwdriver slotted ball valve test cocks, A pressure differential relief valve is located in a zone between two positive-seating check valves to prevent backflow due to back siphonage and/or back pressure, Separate access covers for the check valves and relief valve for ease of maintenance, Top entry so all check internals are easily accessible, All rubber elastomers of chloramine resistant material, Check valve poppet assemblies are fully guided by innovative plastic seat guide, Bottom mounted relief valve provides reduced installation clearances, A pressure differential relief valve located in a zone between two positive seating check valves prevents back siphonage and back pressure of hazardous materials into the potable water supply, Model HW includes stainless steel check modules suitable for temperatures up to 210F and harsh water conditions, Sizes 3/4" and 1" shutoffs have tee handles, Designed for horizontal or vertical installations. 0000006146 00000 n Access My Account, Order History, Lists and more here. 304 (Schedule 40) Stainless Steel Housing an Sleeve, All Bronze Ball Valve and Brass Backflow Preventer, Black UV Stabilized Fusion Epoxy Coating to Help Deter Theft, Can be Installed Vertically or Horizontally, Check and Relief Valve Seats are Replaceable without the Use of Special Tools, Integral Stainless Steel Screen Protects the Check Assemblies from Fouling Due to Dirt and Debris, Internal Relief Valve for Reduced Installation Clearances, Internal Relief Valve for Right and Left Hand Installations, Internal Relief Valve Pressure Sensing Passages, Investment Cast 316 Stainless Steel Assembly for Corrosion Resistance, Large Body Passages Provides Low Pressure Drop, Low Lead Design is Suitable for Drinking Water, Modular Check Construction Featuring Nonreversible Checks with Captured Springs for Simplified Servicing, Modular Relief Valve for Ease of Maintenance, Pressure Vessel is Serviceable Off-Line and Reusable, Removable Pressure Vessel for Simple Line Flushing to Remove Fouling Debris, Simple Service Procedures. The most common are reduced pressure backflow preventer and double check backflow preventer valves. Your transactions are processed through our secure servers. 2007 2022 All Rights Reserved Flomatic Corporation, C900 - Flow Control Valve, Maximum Rate Control. trailer <]>> startxref 0 %%EOF 57 0 obj <>stream Note: Product availability is real-time basis and adjusted continuously. 0000011489 00000 n 0000004620 00000 n Q. Try to reset your password. xb```c``Uqcc`aK`QpW*S4$tVy 0000004750 00000 n 0000015470 00000 n r=#,Lr(_fM NF/;x! Water pressure can be affected when: Detector check w/ post indic. Flows in excess of 5 GPM will open the mainline check valves for normal flow. Basically, the laws implemented Jan. 1st, 2014 require plumbing products that come in contact with drinking water to be "essentially lead free" (less than 0.25% weighted average). Learn more about State Supply, State Supply has an A+ rating with the Better Business Bureau. 0000009204 00000 n (877) 775-7705 Consider having a garden hose in a bucket of soapy water at your home, and having backflow event occur causing that soapy water to "backflow" into the drinking water portion of your home. ~ Sorry, we're closed. All Internal Parts Serviceable in Line, Single Access Cover and Modular Check Construction for Ease of Maintenance, Top Entry - All Internals Immediately Accessible, True Line-Sized Construction Allows the Check Modules to Open Further Allowing Dirt and Debris to Pass More Freely Reducing Check Fouling, Utilizes-Advanced Armortek Coating Technology to Resist Corrosion of Internals, Winterization Prevents Costly Freeze Damage and Improves Productivity When Freeze is Quickly Approaching. A. Local code will specify what items in your area requires which specific type of backflow prevention device. The Premier Online Plumbing Supplier Since 1995, Same day shipping for most in-stock orders processed by 6pm EST M-F, Help to protect yourself, your family and your customers with backflow devices from PlumbingSupply.com, Series 007 Double Check Backflow Preventer -, Series 719 Double Check Backflow Preventer -, Series 009 Reduced Pressure Zone Backflow Preventer -, Series 919 Reduced Pressure Zone Backflow Preventer -. It must also be installed at least 6 inches (150 mm) higher than the highest outlet in the system (some GFAVB manufacturers, and some local officials, require that they be installed 12 inches (300 mm) higher than the highest outlet). 0000001256 00000 n