Prepackaged guard device sub-assembly for pressure responsive in

Details Prepackaged guard device sub-assembly for pressure responsive in Prepackaged guard device sub-assembly for pressure responsive in

1976-06-07

1977-08-16

Woodiel, Donald O.

Measuring and testing

Measuring vessel

73392, 73395, 73406, G01L 708

Patent

active

040417611

ABSTRACT:
A prepackaged pressure responsive diaphragm sub-assembly of the flange type for isolating a pressure sensitive instrument from the source of fluid pressure at a connection with which the instrument is to be utilized. Comprising the sub-assembly unit is an annular diaphragm retained prepackaged in operative relation sandwiched between a housing and an open ended sleeve having an end face adapted for gasket sealed installation with a match-up sleeve provided by the end user. Securing the assembly are L-shaped fasteners supported in an annular flange mounted about the housing and gripping a shoulder formed on the sleeve. Displaced in the flange from the fasteners are bolt holes enabling installation to a flange on the user's pressure source connection while maintaining the prepackaged operative relation of the sub-assembly.

REFERENCES:
patent: 533233 (1895-01-01), Pratt
patent: 2216374 (1940-10-01), Martin
patent: 2679760 (1954-06-01), Harland et al.
patent: 3808890 (1974-05-01), Neugebauer

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