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Huitong Special Steel Co.,Ltd is a famous China flange manufacturer and supplier, equipped with a productive factory and company and as a professional flange exporter and seller, we are always welcoming you to buy and wholesale high quality flanges, steel flange, pipe fitting flange, carbon steel flange, stainless steel flanges from our factory.
Flanges are generally used when there is a connection to valves, in-line instruments and/or connection to equipment nozzles is required. Flange fittings generally involve pressing two surfaces to be joined tightly together, by means of threaded bolts, wedges, clamps, or other means of applying high compressive forces.[16] Often, a gasket, packing, or an O-ring is installed between the flanges to prevent leakage, but it is sometimes possible to use only a special grease, or nothing at all, if the mating surfaces are precisely formed. Flanges are designed to the following pressure ratings: 150 lb, 300 lb, 400 lb, 600 lb, 900 lb,1500 lb and 2500 lb or 10 Bar, 15Bar, 25Bar, 40Bar, 64Bar, 100Bar and 150Bar. Various types of flanges are available depending upon the type of their constructional features. The following are types of flanges generally used in piping. These flanges are available with different facing like raised face, flat face, ring joint face etc.
Flange Type are like below:
Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges, Plate flange,Socket welding flanges, Threaded flanges.
Slip On flanges are slipped over the pipe and then welded from both inside and outside to provide sufficient strength and prevent leakage. This flange is used instead of weld necks by many users because of its lower cost and also the fact that it requires less accuracy when cutting pipe to length.
Blind flanges do not have a bore and are used to shut off a piping system or vassal opening. Its design permits easy access to vassal or piping system for inspection purpose. It can be supplied with o......url:http://www.htongsteel.com |
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