Address: Xingta Industrial Zone, Fengjing Town, Shanghai
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LHS745X low resistance backflow preventer is an on-line maintenance consisting of valve body, bonnet, inlet and outlet check valve, drain, detection valve and additional facilities. Telescopic filter type low resistance ..
LHS743X DC low resistance backflow preventer is composed of a two-stage non-return device main valve, drain, detection valve and additional facilities. Its structure can ensure that the drain is effectively opened during the return flow condition, so that the middle cavity Atmospheric communication ..
DFQ4LX backflow preventer is a DC-type backflow preventer composed of the inlet and outlet check valve and drain valve connected by fasteners. The sealing surface from the inlet check valve seat to the outlet check valve seat sealing surface It forms a valve cavity. Supply of the valve inlet ..
The backflow preventer with filter is a combined device composed of inlet and outlet check valves and drain valves connected in series by fasteners. The inlet check valve body is equipped with a filter screen. Due to the local head loss of the check valve, The pressure in the intermediate chamber is always lower than the inlet.
HS41X anti-fouling cut-off valve is a combination device composed of two check valves connected in series by fasteners. The two check valves are mainly composed of valve body, valve cover, disc, seal, spring and so on. The valve can act as double insurance, after the non-return closure, one of them ..
排泥阀 | 水力控制阀 | 倒流防止器 | 防污隔断阀 | 排污阀 | 缓闭止回阀 We specialize in the production of: exhaust valves | sludge valves | hydraulic control valves | backflow preventers |
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Address: Xingta Industrial Zone, Fengjing Town, Shanghai Mobile: 13816357694 Phone: 021-557362601 Fax: 021-333250343