Non-slamming check valve 专利名称:Non-slamming check valve 发明人:Lance Scott Hathcock 申请号:US09707771 申请日:20001108 公开号:US06443182B1 公开日:20020903 专利内容由知识产权出版社提供 专利附图:摘要:A check valve is provided for stopping the reverse flow of fluid through a fluid-carrying ...
A check valve is provided for stopping the reverse flow of fluid through a fluid-carrying conduit and includes a fluid dampening device to dampen the closing movement of the valve upon flow reversal. The fluid dampening device includes a member for containing a fluid that becomes compressed upon...
The 300X slow-closing check valve consists of main valve, one-way valve, needle valve, ball valve, micro-filter and pressure gauge. Using hydraulic automatic operation, the main valve can get the best opening or closing speed. To prevent the water hammer from hitting, w...
Slow Shut Check Valve MODEL NO.: GL300X Check valves is also called one way valve. It allows medium flow in one direction and automatically prevent flow in the opposite direction.Δ This non-return valve can control opening and closing speed. When pump starts or...