Thermostatic steam traps

Details Thermostatic steam traps Thermostatic steam traps

1986-04-24

1987-07-21

Tapolcai, William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236 93A, 236 99R, F16T 102

Patent

active

046812563

ABSTRACT:
There is provided, in a thermostatic steam trap that can operate in either of two modes merely dependent upon which way round the trap is connected in a steam flow line, a temperature-responsive element (9) in which there is a valve member (23) that projects from a housing (16) of the element (10) to an extent dependent upon movement of a diaphragm (19) within the housing (16). Movement of the valve member (23) out of the housing (16) to close on a seat (6) is opposed by a spring clip (8), arms (14) of which embrace the outside of the housing (16), so that if the diaphragm (19) fails the trap as a whole fails with the valve (23/6) open. Conveniently the spring clip (8) serves a further function in that lugs (15) of the clip locate on a wall of the valve seat (6) to locate the element (9) in the trap.

REFERENCES:
patent: 634538 (1899-10-01), McElroy
patent: 2289020 (1942-07-01), Jones
patent: 3725989 (1973-04-01), Reid et al.
patent: 4244518 (1981-01-01), Foller
patent: 4295605 (1981-10-01), Clayton et al.
patent: 4549691 (1985-10-01), Jiandani
patent: 4560105 (1985-12-01), Jiandani

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