Title: Housing for air service units

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Abstract: A housing which can be employed equally for air service units such as a water separator, a pressure regulating valve and a filter/pressure reducer, includes a body member in the form of a cube having perpendicularly related first, second and third opposing sidewalls, the body member having a flow passage with an inlet and outlet thereof disposed co-axially and being respectively located in the first opposing sidewalls. A receiving chamber and valve seat are located in the path of the flow passage, and the bottom member has a bore for guiding the valve body of the pressure regulating valve or of the filter/pressure reducer for controlling flow through the passage as the valve body engages the valve seat. A bayonet connection union is located on one of the second opposing sidewalls for interconnection with a collector bowl of the water separator or of the filter/pressure reducer or for interconnection with a closure lid of the pressure regulating valve. A screw connection union is located on the other of the second opposing sidewalls for interconnection with a compression spring member of the pressure regulating valve or of the filter/pressure reducer or for connection with a cover cap of the water separator. A snap connection member is located on the one of the second opposing sidewalls adjacent the receiving chamber for interconnection with a bell element containing a filter of the water separator or of the filter/pressure reducer, and a guide cylinder is located on the other of the second opposing sidewalls for the sliding reception of a spring plate in engagement with the valve body of the water separator or of the filter/pressure reducer.


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