The file contains 24 pages and is free to view, download or print. Specification for compact type float operated valves for wc flushing cisterns including floats bs 12122. Bs1212 part 2 3 4 high pressure brass customers who bought this item also bought. Bs1212 float operated ball valve sizes range from 12 to 34. Float valves are an integral part of a cistern or tank. All valves incorporate a simple water level adjustment. Specification for compact type float operated valves for wc flushing cisterns including floats bs 12123. Float operated diaphragm valve bs 1212 part 2 deccatanks. Bs1212 part 3 plastic valves browse by ball gate radiator mixing safety regulating check drain vent float and strainers. Specification for diaphragm type float operated valves plastics bodied for. All valves manufactured to bs12122 thread connections comply with iso228bs2779 suitable for pressure up to 14 bar 200psi recommended for working temperature. The main difference from the original design is that requirements to prevent backsiphonage mean that the outlet is. List of british standands liquefied petroleum gas fires.
Tests at brs could not cause damage to the nozzles. Original ball valves were manufactured to a british standard bs 1212 and the garston ball valve is now retitled the diaphragm ball valve and is manufactured to british standard bs 12122 for brass valves and bs1212 3 for plastics. Brass float operated ball valve supplied with removable seat and backnuts brass floats can be ordered seperately here plastic floats can be ordered seperately here recommended float size. Specification for compact type float operated valves for wc flushing cisterns including floats. Comprehensive butterfly valve range based on the wellknown alfa laval lkb. All standard valves are supplied with a fork ended lever 210mm long. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. All bsi british standards available online in electronic and print formats. Specification for piston type float operated valves copper alloy body excluding floats bs 1212 3. This float operated diaphragm valve is the bs1212 part 2 version and has a removable seat, the water discharges from top of the valve through the top outlet. Delchem bs1212 part 3 plastic ball float wc cistern valves. You could change the valve to an equilibrium valve which works on a different principle and has a.
Part of the thomas dudley group manufacturing in the uk since 1920 part 3 float valve worlds most adjustable. Their sole purpose is to shut off the flow of water at a predetermined level. In my experience as a plumber, there only use to be about four types of ball cocks but now these float operating valves are in there hundreds. Controls, zirvetas export import company, supply moh float operated ball valves20110307, fujian feida valve co. Part 1 equilibrium valves i sometimes illegally use to eliminate water hammer. Unit 303 understand and apply domestic hot manualzz. A 34in beta high pressure bs1212 part 2 brass float operated ball valve. Specification for diaphragm type float operated valves. Part 1s are no longer allowed in wcs due to back siphonage and doubly not allowed anywhere covered by water regs since they do not have an adjustable float its no longer allowed to bend the arm. The cistern should be fitted with a brass float operated valve that is manufactured to bs1212 pt. Swivel adjustment allows the float to be fixed through 180 degrees. Original ball valves were manufactured to a british standard bs 1212 and the garston ball valve is now retitled the diaphragm ball valve and is manufactured to british standard bs 12122 for brass valves and bs12123 for plastics. For the purposes of this part of bs1212 the definitions given in bs61002. Cookies on the city plumbing supplies website this site uses cookies to personalise content, ads and services.
An overview of bsi british standard institute valve standards. Floatvalve nylon seat bs 1212 part one high pressure. Specification for diaphragm type float operated valves copper alloy body. Bs1212 part 2 34 high pressure brass customers who bought this item also bought. Delchem bs1212 part 3 plastic ball float valves 12 inch delchem side entry ball float valve part 3 b801a. Specification for diaphragm type float operated valves plastics bodied for cold water services only excluding floats. Float valves the british standard defines four types of float operated valves that are suitable for use in cold water cisterns. Plumbing for level 2 technical certificate and nvq this page intentionally left blank plumbing for level 2 technical certificate and nvq 2nd edition steve muscroft amsterdam b. Part one portsmouth type part two brass diaphragm type part three plastic. This item 34 inch part 2 high pressure float valve.
A swivel ended lever is available which allows the float to be set in a wide range of positions. Easily share your publications and get them in front of issuus. Diaphragm type float operated valve, bs12123 bottom entry, h 250mm. Technical delivery conditions 2002 bs en12007 gas supply systems pipelines for maximum operating pressure up to and including 16 bar pt 1 general functional recommendations 2000 pt 2 specific functional recommendations for polyethylene mop up to and including 10 bar 2000 pt 3 specific functional recommendations for steel 2000 pt 4 specific. But company a is part of a highly volatile widget industry. Ball valves and ball cocks history, present and future. Screwfix and other companies we work with use cookies to improve your experience, for analytics and to deliver relevant advertising on this and other websites. A presentation by douglas webley and debra taylorcroather. Noisy float valve in main water tank screwfix community. A 3 4in beta high pressure bs1212 part 2 brass float operated ball valve. Specification for compact type float operated valves for wc flushing cisterns including floats bs 1212 3. Ball valves, ball cock, float operating valve what ever there called ive heard all sorts of names for these water valves for example, ball valves and ball cocks, but the correct name for these are float operating valves. All bs1212 part 1 and part 2 float valves for high pressure water restrict the flow with a small nozzle and tend to make a hissing noise when water is flowing through them.
The most common valves in bathroom toilets are called torbeck float valves and ballcock float valves are found in water tanks usually located in a loft. Bs en12259 fixed firefighting systems components for sprinkler and water spray systems pt 1 sprinklers 1999 amd12022, 885, 14842, 16353 pt 2 wet alarm valve assemblies 1999 amd12025, bs en12097 ventilation for buildings requirements 884 for ductwork components to facilitate maintenance of pt 3 dry alarm valve assemblies. Thomas dudley ltd plastic part 3 beta plus bottominlet float valve. Buy pegler yorkshire, part one, float valve, 34in 514078. The valves are made to fit virtually all float operated cisterns.
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