1·Do check valves operate properly?
止回阀是否工作正常？
2·Check valves are automatically actuated.
止回阀是自动运行的装置。
3·Clean pumps. Check valves for silt and sand.
清洁泵体，检查阀门是否附着有泥沙。
4·Most diaphragm pumps have check valves built-in.
好多的隔膜泵都内置单向阀。
5·Correct sizing of stop-check valves is important.
截流的通径正确计算选择非常重要。
6·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。
7·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。
8·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。
9·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。
10·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。