Bottom valve is a kind of energy saving valve, belongs to a type of check valve. At the bottom of the common devices in underwater pump suction. Restrictions on the fluid pump tube return water sources, that not only into the function. cover has a lot of water and strengthen muscle, has played a difficult infarction, mainly used in the pipeline pump. The waterway and supporting role. Diameter have single, double disc, disc type. With flange connection and screw thread connection. Other titles: lifting of bottom valve - internal thread - - Bottom valve, the suction valve, filter water valve, spray; Lift the bottom valve - - Flange bottom valve; Swing bottom valve - - Flange swing bottom valve. Bottom valve welding the bottom in the container, so that they can reach the optimal emptying, cleaning, disinfection effect. In addition also can according to the operation of various process requests a mixture of working medium is very good. Tank bottom valve as close to the tank bottom wall, so as to reach the effect of no dead Angle. Bottom valve features 1, no matter from the traffic structure, or from the process requests are very ideal, and it won't produce turbulence when emptying of the phenomenon. 2, can provide all of the current international standard interface, such as welding, clamp or thread type, etc. 3, the body data were US304, SUS316L, of course, can also according to customer's request in other alloy steel. 4, the body appearance can according to customer request the mechanical polishing and electrolytic polishing, precision can reach 0. 25um。 5, bottom valve can match the manual, also can equipped with pneumatic. Bottom valve device for each pump device to a bottom valve, bottom valve usually device on the surface, while water type bottom valve device on the surface of the water above, it is the updated products of the old bottom Industrial Valves, is the ideal water equipment and can replace vacuum pump and vacuum installation. Water type bottom valve designed by professional design institute of the ministry of railways, approved by ministry, 1985, 1986 by the Ministry of Science and Technology progress prize, and has set up a injection volume 9 'water supply and drainage design manual', in 1990 the journal energy communication the second phase of the bottom valve made entitled 'the high efficiency and energy saving water bottom valve'. In the country in five hundred and in 1994 won the state economic commission, planning commission, the evaluation committee of science and technology outstanding energy-saving products. The bottom valve reasonable design, advanced manufacturing technology, installation, use and maintenance. And the advantages of small friction resistance, long life, the advantages of energy saving, widely used in petrochemical, chemical, textile, printing and dyeing, metallurgy, mining, irrigation and drainage pump installation of the necessary equipment.
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