group nameButterfly valve
Min Order1 piece
brand nameGARLOS
modelPQD341X/PQD341H
payment method
update timeMon, 12 Jun 2017 18:02:37 GMT
Seal Metal/ Rubber
Flow path Straight
End Connection Flange
Sealing surface sphere surface
Disc Offset disc
Min Order1 piece
Our company started to manufacture sphere butterfly valve with German technology since 1999, we are the first factory who manufacture sphere butterfly valve in China. This products have been exported to Europe, Africa and Southeast Asia. The product has been improved several times, the quality tends to be perfect. Butterfly valve has the advantages of simple structure, small installation area, low manufacturing costs and so on. It is the valve with largest usage, widest application range. Butterfly valve is to rely on the radial deformation of elastic material to form a sealed pressure ratio, to achieve the seal. Both soft seal butterfly valve or hard seal butterfly valve, whether it is a midline butterfly valve or single, double, triple eccentric butterfly valve, sealing principle is essentially the same. This seal has two major shortcomings, one is the sealing pressure cannot be too large, otherwise the disc will be stuck, cannot be rotated, the seal surface will be damaged, so it is not suitable for high pressure working conditions(Pressure generally no more than 2.0MPa). The second is sensitive to the impurities contained in the medium, if the impurities attached on the sealing surface, the valve cannot close or sealing surface will be damaged. Eccentric sphere butterfly valve adopts unique eccentric spherical surface to the axial floating tubular end sealing, completely solved the shortcom -ings of butterfly valve sealing. Its structure and size are the same as those of regular butterfly valves, manufacturing cost is similar. It has the advan -tages of small installation area, fast opening and closing, reliable sealing and long service life. It can adapt to high pressure (6.4MPa), high flow rate, high concentration impurity water, Oil, gas and other medium, it is the ideal butterfly valve to replace traditional butterfly valves. |
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