These sturdy and reliable components are also used for seawater isolation. Double check valve assemblies backflow preventer 250 300 lf007 osy series download revit family files. So simple to replace this assembly if your bell valve backflow preventer breaks, dont hire the plumber or the sprinkler company and send a few hundred dollars when you can by these replacement parts assembly and install it yourself in about 10 minutes. Product title 2 375 reduced pressure principle backflow preventer average rating. Spend less time managing test reports, more time growing your business. S b0970fe polished chrome atmospheric back flow preventer to prevent back siphonage and back flow during continuous pressure use. Common mistakes when installing a backflow preventer.
The backflow preventer is installed to prevent polluted and contaminated water from affecting potable water supplies. Backflow preventer devices are fitted in the water pipeline to stop the reverse flow of water in a pipeline to the potable water source. Or if you need to upgrade from your spreadsheet type backflow tracking system. Backflow preventers watts back flow preventers back.
Backflow means the undesirable reversal of flow of a liquid, gas, or suspended solid into the potable water supply. The backflow test was deemed by the technical committee to be outside the scope of the standard, because it is a requirement of water quality standards and performed by an individual with specific training and license to do so. The majority of backflow preventer are not approved to be installed vertically with a downward flow of water. This report should help backflow assembly testers bats and water systems comply with the minimum test. As the number of automaker recalls due to software issues are increasing and gaining widespread attention, we are striving to enable the automotive industry with the bestinclass software and guidelines to control and improve the architecture and technical quality of embedded software for the. Xc2 software solutions has been providing xc2 backflow prevention software, as an offtheshelf commercial software product to water purveyors nationwide since 1997.
A guide for drinking water system owners seeking to undertake a. Plumbing is the system of pipes, drains fittings, valves, valve assemblies, and devices installed in a building for the distribution of water for drinking, heating and washing, and the removal of waterborne wastes, and the skilled trade of working with pipes, tubing and plumbing fixtures. Contamination can occur when the main water line has been shut down for repair, or when there is a sudden drop in water pressure. Looking for apollo reduced pressure zone backflow preventer, lead free bronze, apollo 4alf200 series, fnpt connection 40d857. Free trial version backflow prevention management software. A backflow preventer installed vertically with a downward water flow. You can download the pdf version of the form and fax, mail, or scan and.
Sample backflow preventer inspection and field test report. Xc2 backflow software is a database software system for the administration of. The vector stencils library plumbing contains 32 symbols of plumbing components and bathroom fixtures. Building on the strong and stable foundation of version 2, we took our easy to use interface and reliable database and combined them with powerful new features. For your convenience, it comes prepopulated with reallife. Its more powerful, has more features and is easier to use. Separate access covers for the check valves and relief valve for ease of maintenance. The weight of the water column in the pipe could prevent closing of the check valves in case of back siphonage or backpressure. Fully featured backflow prevention management software for water utilities. The 2010 edition of the standard requires only a forward flow test of the system through the backflow preventer. Fits hose bibbs and sillcocks standard hose thread.
Arcat bim content architectural building information modeling bim objects families system files, free to download in revit or dwg formats for use with all major bim and cad software including autocad, sketchup, archicad and others. List of authorized companies that test backflow prevention assemblies. Claval back flow preventers are primarily used in potable water for the health and comfort of the crew. Our customers include hundreds large and small water purveyors, cities, counties, government agencies, institutions and industries across the united states and canada. For your convenience, it comes prepopulated with real life. Backflow device test report service address name of premises location of device device manufacturer model size serial number test kit manufacturer serial number date certified rp new installation dc dcda rpda line pressure reduced pressure principle assembly. Valvcheq enclosures backflow preventers emerson us. To learn more, download our new marine products brochure. The directional arrow on the label must point in the same direction as the.
A backflow preventer is a means or mechanism to prevent backflow. Such connections occur naturally in appliances such as clothes washers and dishwashers, but they. Each atmospheric backflow preventer features a 38 npt female inlet and matching outlet. List of approved backflow prevention assemblies the foundation. Why use software to manage your backflow prevention program. Upstream of the backflow preventer is mandatory to install a strainer 577 series. Xc2 backflow software does not monitor, control the function of or in any way connect to the actual mechanisms or hardware of. Xc2 backflow software does not monitor, control the function of or in any way connect to the actual mechanisms or hardware of backflow prevention equipment.
Any water passing thru the backflow preventer will be kept in its proper place and not be brought back into the domestic line for contamination. Cross connection control program, nebraska dhhs halton region ontario cross. Glycol chiller methodology this weeks question asks for specifics on glycol maintenance practices in chillers. Backflow preventers are assemblies with two check valves and two shutoff valves that prevent reverses in process flow. You are responsible for repairing or replacing any backflow preventers that fail to. Backflow preventers selection guide engineering360. This is an excellent product if you are just starting your backflow program. Double check valve assemblies backflow preventer 050 100 007 qt s series. Under normal operating conditions, a pressure drop exists in the flow direction from one chamber to the next, which prevents a backflow.
Cross connection control program introduction pdf cross connection control. The grabcad library offers millions of free cad designs, cad files, and 3d models. A pressure differential relief valve is located in a zone between two positiveseating check valves to prevent backflow due to back siphonage andor back pressure. Backflow enclosures are used to protect backflow assemblies from a variety of hazards, including inclement weather, vandalism, and other potential damages. Plumb craft 7032000n back flow preventer garden hose. Professional crossconnection control management services aiding municipalities, large and small water suppliers, industrial, commercial, and institutional customers. Backflow preventers have a variety of applications. Asse certification in backflow prevention assembly testing, repairing, and. Join the grabcad community today to gain access and download. This is an excellent product if you are just starting your backflow program, and you need a simple backflow software program. Reduced pressure zone assemblies backflow prevention 050 100 lf919 qt s series download revit family files. Backflow prevention and cross connection control west.
The waterworks operator certification rule effective january 4, 2014 includes a section on backflow preventer inspection and field test report content wac 246292036. A backflow prevention program complements these other aspects of the multi barrier approach to providing safe drinking water. This item plumb craft 7032000n back flow preventer homewerks worldwide vacbfpz4b vacuum breaker hose bib backflow preventer, 34 inch, brass finish sungator 2pack vacuum breaker set, 34 inch backflow preventer, antisiphon hose bib valve for garden spigot, rv, solid brass antibackflow valve with teflon tape. Xc2ez is a robust backflow prevention software that is absolutely free. They may also include test cocks for each chamber within the assembly. Back flow preventer mechanical engineering general. For example, they are used to prevent boiler water, which. When the pressure drop between the intake and middle chamber has dropped to 0. Arcat free architectural cad drawings, blocks and details for download in dwg and pdf formats for use with autocad and other 2d and 3d design software. Watts double check and reduced pressure backflow preventers. Crossconnection control and backflow prevention program san.
These enclosures are easy to assemble and use, and provide adequate accessibility to the assemblies. Points at which a potable water system connects with a nonpotable water system are called cross connections. Free architectural cad drawings, blocks and details for download in dwg and pdf formats for use with autocad and other 2d and 3d design software. One way data transfer in this case, the backflow test data entered on the remote computer is. Highmaintenance radiator valves technicians are spending a significant amount of time each season releasing stuck radiator valves for occupants, and one manager is looking for ways to resolve the situation permanently question of the week. Knowing how to install a backflow preventer will safeguard your family from potential illness. The list is comprised of backflow prevention assemblies, which have. Design elements plumbing backflow preventer symbol. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Back flow preventers are special devices used to prevent an undesired reverse flow of water containing contaminants such as bacteria, pollutants or chemicals from entering a clean or potable water supply. Both integral shutoff valves shall include prewired supervisory tamper switches contained within a weatherproof actuator housing approved for both indoor and outdoor use.
Back flow preventers are needed to help reduce cross contamination for both industrial and household uses. The previously approved list is available to download from the foundations online store. Annual maintenance requirements for backflow preventers. The check valve permits free flow in one direction and no checked flow in the opposite direction. Common cross contamination points are heating, bathroom fixtures, irrigation, outdoor faucets, chemical injection points and other areas where potable water is added into other points you have the potential for cross contamination. Weve developed a sample test report to complement the rule. This valve is specified in many applications because of its very low cracking pressure typically less than 0. Backflow preventer test nfpa fire code issues engtips.
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