Importance

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Abstract

A valve manifold is provided of the type commonly referred to as an instrument manifold and used in systems designed to detect pressure differential. The manifold includes first and second passageways interconnecting a pair of input ports and a pair of output ports. Removable flanges are provided on the input and/or the output ends of the manifold. Each flange may be structurally secured to the valve manifold body by special nipples, and is provided with apertures for receiving bolts to mount the flanges to related process-side or instrument-side equipment. A threaded end of the nipple is adapted for sealing engagement with the manifold body, while the other end of the nipple is adapted for sealing engagement with elliptical-shaped flanges or a differential pressure transmitter. The versatility of the valve manifold is substantially increased, since the removable flanges allow the same manifold body to be used for either direct or remote mounting.

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First Claim