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Specifications
1, open and close more effort.2.fluid resistance small,is not restricted, not spoilers.
3.simple form,application scope,
Gate valves that are opening and closing of ram, the movement direction of the disc and fluid in vertical direction, brake beautiful mark gate valves
The valve can only be fully open and seated, not to adjust and throttling. Disc has two seal face, the most common mode of the valve gate two seal face form, wedge Angle valve wedge with different parameters, usually 50, the temperature of the medium is not high as 2 ° 52 '. Wedge type gate valves can be made into a disc of whole body, called the rigid disc; Can also make it can produce a trace of the deformation of the ram, to improve its technology, make up for seal face Angle in processing produces in the process of the deviation, the disc called elastic disc.
advantages
fluid resistance small, sealing surface of the medium by Chong brush and erosion small. Open and close more effort. The flow direction of medium not restricted, not, not reduce the pressure turbulence. Simple form, structure length short, manufacturing technology, application scope. Gate valves are shortcomings as follows: seal face between easy cause erosion and scratches, maintenance is hard. Overall size is larger, open needs certain space, open and close time long.
The characteristics of the gate
Light weight: ontology USES the senior ball black cast iron is made, weight is traditional gate the weight of about 20% ~ 30%, easy installation and maintenance. A type brake block: the traditional gate valves tend to wash out water pipe in namely after the material such as for stone, wood, cement, scrap iron, sundry etc deposition in the bottom of the valve in the groove, easy to cause the cannot close close and the formation of slack phenomenon, seal gate valves with elastic base with water pipe at the bottom of the pan with design, is not easy to cause deposit sundry, unimpeded fluid. Overall plastic bags: using high quality rubber disc in the whole, outsourcing glue, Europe first-class rubber vulcanization technology makes after the gate to ensure the sulfide precise geometric size, and rubber and ductile cast disc then firm, is not easy to fall off and elastic memory preferred. Water jingzhu body: body with precision casting, precise geometric size makes the body without any finishing will ensure internal valve sealing.
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