Single casing, multiple duty valve

Details Single casing, multiple duty valve Single casing, multiple duty valve

1979-11-09

1980-10-14

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

251 14, 251 63, F25B 4104, F16K 3100

Patent

active

042273803

ABSTRACT:
A single casing valve is especially adapted for the inlet of a rotary screw type compressor, the valve having provision for both a manual and an automatic shut-off, the latter responsive to discharge pressure for closing the inlet, and having a strainer in the suction line which is downstream from the valve seat in order that the strainer may be changed with the compressor isolated from the inlet source.

REFERENCES:
patent: 2069767 (1937-02-01), McCormack
patent: 2069808 (1937-02-01), Andersson
patent: 2353347 (1944-07-01), McCormack
patent: 2581956 (1952-01-01), Jones
patent: 3367562 (1968-02-01), Persson et al.
patent: 3406897 (1968-10-01), Diels
patent: 3633380 (1972-01-01), Pellizzetti
patent: 3722228 (1973-03-01), Smith
patent: 3788776 (1974-01-01), Post et al.
patent: 3855836 (1974-12-01), Takahashi et al.
Ashrae 1975 Equipment Hand Book, p. 20.11.

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