Absolute flapper sealing is not a necessity, as ... - Dixon Valve US
it is thought that a tighter seal is provided with a rubber-to-metal design. Free
swinging ... For flange mounting, incorporate an appropriate gasket, made of
material ... d) Inspect for product stuck in flapper assembly or valve seat causing
.... livraison. N'oubliez pas que les souffleurs augmentent leur température près
de 200F ...
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