软密封闸阀,止回阀,蝶阀,减压阀,沟槽蝶阀_河北兴水阀门制造集团有限公司

2017-06-13

Body (including variable speed transmission box) inside and outside, the first should be shot blasting sand rust, and strive to electrostatic powder powder non-toxic epoxy resin, the thickness of 0.3mm...

2017-06-13

Hard seal is a seal between metal and metal, sealed ball and seat are metal, processing accuracy and process more difficult, generally used in high pressure....

2017-06-13

Automatic sprinkler system to be decompression, the pressure relief valve should be set in front of the alarm valve, with a single alarm valve supporting the set of pressure relief valve, equipment can...

2017-06-13

Butterfly buffer check valve disc was disc-shaped, around the valve seat shaft for rotary motion, because the valve channel into a streamline, flow resistance than the butterfly check valve is small....

2017-06-13

Butterfly valve refers to the closure for the disc, around the valve shaft rotation to achieve the opening and closing of a valve, the main cut and throat in the pipeline....