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About product and suppliers:
        Alibaba.com offers 11,802 double mechanical seal products. About 18% of these are seals. 

A wide variety of double mechanical seal options are available to you, such as mechanical seal, oil, and hydraulic. You can also choose from metal, rubber, and plastic. As well as from standard, nonstandard. And whether double mechanical seal is free samples, or paid samples. 

There are 11,816 double mechanical seal suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and South Korea, which supply 99%, 1%, and 1% of double mechanical seal respectively. 

Double mechanical seal products are most popular in Domestic Market, Southeast Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 2,418 with ISO9001, 741 with Other, and 266 with ISO14001 certification.