Dual mode bellows-actuated thermostatic steam trap

Details Dual mode bellows-actuated thermostatic steam trap Dual mode bellows-actuated thermostatic steam trap

1984-01-11

1985-10-29

Tapolcai, William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236 93A, F16T 102

Patent

active

045496919

ABSTRACT:
A thermostatic steam trap, which operates either as a blast trap or a liquid expansion trap, depending solely on reversal of inlet and outlet function, has a generally cylindrical housing containing an internal cavity. The housing has two parts, the first of which contains a passage leading to a valve seat and the second of which contains a passage leading, via a plurality of bores, to the cavity. Within the cavity is a bellows, filled with a volatile liquid, having a valve on its top which mates with the valve seat and connected at its bottom to the second housing part. The connection is pivotal to permit self-centering of the valve. Either passage can serve as an inlet depending on which operating modality is desired.

REFERENCES:
patent: 1303140 (1919-05-01), Yeiser
patent: 2975974 (1961-03-01), Jackson et al.
patent: 3510100 (1970-05-01), Makusay et al.
patent: 3725989 (1973-04-01), Reid et al.

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