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1.Attached with steam or air heat preservation mechanism and uneffected by the environmental hunidity ;with operation frequency decreased and service life prolonged .

2.Provided with filter screen and drainage valve.

3.The valve runs flexibly and relibly with large displacement.

Working principle:

 By taking advantage of themodynamics characteristics , secondary evaporation will arise when the condensate water is discharged to the lower pressure  zone and meanwhile when the viscosity and density of steam differ, the drain valve will open or close.

Main function:

 The valve is applicable in the steam pipeline and equipment to avoid steam leakage and eliminate steam leakage in order to conserve energy and keep from water hammer and other faults.