Spirax Sarco, Inc.

Roy J Gooderham

Alan F Bennett

A condensate trap (2) comprises a valve disposed within a casing comprising a peripheral wall (3) and end walls (6,7). Each end wall has an aperture (9,10) for the passage of fluid into and out of the casing, the end walls having mutually parallel flat end surfaces (14) for clamping between two flanges (5) in a fluid line (4). Connection means (11,12) external to the condensate trap (2) connect the flanges (5) allowing simple installation and removal of the trap (2) in existing fluid lines which include a flanged connection.

Condensate trap

A disc valve member (5) is disclosed that can be fitted to a thermodynamic steam trap (1) without modification of the trap. The disc valve member has an internal chamber (7) and perforated portions (8,9) through which air can escape from a chamber (6) in which the disc valve member floats when fitted in a trap, it being desirable that such air escape should be possible during start-up conditions in a steam line. At normal operating temperature, a bi-metal disc (10) within the internal chamber (7) of the disc valve member is snapped-over to a position in which the path for air escape from the trap chamber (6) is closed, and the disc valve member operates as an imperforate member.

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Cheltenham, United Kingdom

Roy J Gooderham