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About product and suppliers:
        Alibaba.com offers 283 cover acting products. About 20% of these are valves, 6% are cylinders, and 4% are hydraulic parts. 

A wide variety of cover acting options are available to you, such as brass, casting. You can also choose from control, butterfly. As well as from standard, nonstandard. And whether cover acting is solenoid, pneumatic, or manual. 

There are 284 cover acting suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Myanmar, which supply 98%, 1%, and 1% of cover acting respectively. 

Cover acting products are most popular in South Asia, Northern Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 72 with ISO9001, 50 with Other, and 2 with ISO/TS16949 certification.