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The interface types for filter elements are 222, 226, and DOE – which standard specifies these? I searched for a long time but couldn’t find it.

2010-11-05View Original

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The interface types for filter elements are 222, 226, and DOE – which standard specifies these? I searched for a long time but couldn’t find it. There seems to be no such requirement in the standards for filter elements and filters. Influencers are suing me! Thank you!
Reply #22010-11-08
It’s meaningless – it’s just a name. It’s the standard term used in the filter element industry to refer to interfaces that are compatible with different types of filtration machines. There seems to be no standard.
Reply #32010-11-08
226 is bayonet-mounted, 222 is plug-mounted
Reply #42012-10-10
215, 222, and 226.
Reply #52015-10-31
How was 226 222 named?:)

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