Do check valves operate properly?
止回阀是否工作正常？
Check valves are automatically actuated.
止回阀是自动运行的装置。
Clean pumps. Check valves for silt and sand.
清洁泵体，检查阀门是否附着有泥沙。
Most diaphragm pumps have check valves built-in.
好多的隔膜泵都内置单向阀。
Correct sizing of stop-check valves is important.
截流的通径正确计算选择非常重要。
VRP120 single acting pilot check valves lock a single acting cylinder.
VRP120型液控单向阀用于锁紧单作用液压缸。
Check valves are best suited for low to moderate velocity applications.
止回阀最适用于低速或中速流体应用场合。
This mansion adopts our wafer butterfly valves and check valves wholly.
该大厦全部采用我公司生产的对夹蝶阀、蝶式止回阀。
Swing Check Valves additionally allow higher volume of fluid transmission.
此外，旋启式止回阀能够通过的流量更大。
Stop-check valves are best suited for low to moderate velocity applications.
截流止回阀最适用于低流速或中流速应用环境。
Tilting disc Check Valves consist of a cylindrical housing, with a pivoted circular disc.
翻转式阀瓣止回阀由圆柱形外壳及转动圆盘阀瓣构成。
Globe pattern check valves should be used in horizontal pipe runs with the stem straight up.
截止阀结构的止回阀应该用于水平管道，阀杆垂直朝上。
Swing check valves are used to prevent reversal of flow in horizontal or vertical pipe lines.
旋启式止回阀用于防止水平管路或垂直管路的流体倒流。
The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
这种止回阀应该是模块化的，并且应该采用一个O形环密封在主阀体上。
Check valves should be located as far away from equipment such as pumps and compressors as possible.
止回阀应该安装在距离其他设备，如泵和压缩机等，尽可能远的地方。
NOTE: Twin Disc Check Valves can be installed horizontally or in the vertical position with flow up.
注意：双阀瓣止回阀能够安装在水平或流向朝上的垂直位置。
Nibco iron body check valves may be installed in both horizontal and vertical lines with upward flow.
美国尼伯科止回阀可以安装在水平位置，或流向朝上的垂直位置。
Expound working principle of extraction check valves and the calculation methods of the cylinder design.
阐述了抽气止回阀的工作原理及气缸的设计计算方法。
Full Cartridge Replacement Kits are available for all True Union style ball valves and ball check valves.
对于所有真活接类型球阀和球体止回阀，可提供完整的更换筒组件。
When reassembling the check valves, make sure you install the correct spring into the correct check valve.
在重新组装止回阀时，要确保将正确的弹簧安装在正确的止回阀上。
NIBCO Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.
青铜止回阀可以安装在水平管路或流向朝上的垂直管路中的任何位置。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
止回阀的撞击现象，是由于在流体倒流之前，阀门的阀瓣没有到达关闭位置造成的。
On pump discharge, the preferred check valves are in-line spring loaded, swing design with lever and weight or lever and spring.
在泵出口处，首选止回阀是管内弹簧负载，配置杠杆和重量旋启式结构，或杠杆和弹簧旋启式结构。
Valve shall have a bronze body, include integral check valves and operate so the thermostat controls the cold and hot water ports.
这种阀门应该具有青铜阀体，包括整合的止回阀，使得温度控制装置能够控制冷水和热水端口。
NIBCO Iron Body Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.
尼伯科铸铁阀体止回阀可以安装在水平管线或流向朝上的垂直管线中的任何位置上。
The construction of concentric bi-directional valve overcomes the disadvantage of easy to connect between two parallel check valves.
同心双向阀结构克服了传统的单向阀并联结构两阀间易连通的缺点。
NOTE: On pump discharge, the preferred check valves are in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵出口处，首选止回阀是管内弹簧负载，配置杠杆和重量旋启式结构，或杠杆和弹簧旋启式结构。
Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。
Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。
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