Servometer Introduces Precision-Welded Bellow Assemblies

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Cedar Grove, N.J.-headquartered Servometer has released precision-welded bellow assemblies that are available either as complete units or with customer-furnished end pieces.

According to the company, the product's design minimizes the risk of damaging the thin, electrodeposited nickel bellows used for novel assemblies such as fluid dampers and miniature pumps. Assemblies with diameters as small as 0.187 inches and bellows with walls of .001 inches can be welded to a leak tightness of less than 1 x 10-9 cc He/sec.

A wide variety of pressure, stroke and stiffness combinations are possible through control of wall thickness and number of bellows plies. Pressures of 5000 PSI or higher can also be accommodated by utilizing three-ply bellows, or assemblies with extremely low spring rates can be welded using variable wall-thickness techniques. The bellows feature extreme sensitivity and high flexibility, the company adds.

Servometer: (973) 785-4630

SOURCE: Servometer

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