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About product and suppliers:
        Alibaba.com offers 2,382 outer flange products. About 1% of these are flanges, 1% are other machinery & industry equipment, and 1% are flange. 

A wide variety of outer flange options are available to you, such as stainless steel, carbon steel, and alloy steel. You can also choose from din, asme, and ansi. As well as from flange, flanged, and adapter. And whether outer flange is free samples, or paid samples. 

There are 2,382 outer flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of outer flange respectively. 

Outer flange products are most popular in Domestic Market, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,457 with ISO9001, 416 with ISO14001, and 248 with Other certification.