Importance

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Abstract

A valve module includes a valve housing (2) providing a chamber accommodating at least part of a valve member (3). The chamber forms part of a high pressure side of the valve. A valve port leads from the valve chamber to a low pressure side of the valve and the valve member co-operates with a valve seat around the valve port. The valve member is displaceable inwardly away from the valve seat to open the valve against a biasing spring biasing the valve member towards its closed position. The valve housing has on its low pressure side a shroud or wall (200) extending transversely with respect to the valve axis and spaced from the valve so as to deflect any gas exiting from the valve port in the direction parallel with the valve axis. The valve housing defines with the shroud or transverse wall (200) one or more transverse passages (113) leading to openings at the sides of the valve housing for the passage of gas issuing from the valve port.

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First Claim