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About product and suppliers:
        Alibaba.com offers 1,930 john crane mechanical seal products. About 94% of these are seals, 1% are pumps, and 1% are other graphite products. 

A wide variety of john crane mechanical seal options are available to you, such as metal, rubber, and silicone. You can also choose from mechanical seal, bellow seal, and floating seal. As well as from free samples, paid samples. 

There are 1,930 john crane mechanical seal suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of john crane mechanical seal respectively. 

John crane mechanical seal products are most popular in Western Europe, Southeast Asia, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 819 with ISO9001, 128 with OHSAS18001, and 128 with ISO14001 certification.