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NW Flange

A mating pair of ASA flanges is made up of a smooth faced flange and a grooved flange. A FKM O-ring of a size appropriate for the diameter and depth of the groove forms a vacuum seal when the two mating flanges are bolted together. ASA O-rings and bolts are not included with flanges and must be purchased separately.
◾321 or 316 SS bellows material
◾304 SS flanges
◾NW and CF flanges
◾Elastomer flange maximum bakeout temperature 150 degrees C
◾Metal seal maximum bakeout temperature 450 degrees C
◾Nominal bellows ID sizes 3/4" to 4"
Flex hoses are available with a variety of flange types or with butt weld fittings. The flexibility and reliability of these hoses, provided by 321 stainless steel, make them ideally suited for vibration isolation, roughing and alignment manifolds. Non-standard lengths can be supplied upon request. 304 and 316 stainless tubing is available in most common sizes and in several wall thicknesses. A variety of finishes are available as well.

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