Filter fitting for heating installations

Details Filter fitting for heating installations Filter fitting for heating installations

1975-09-17

1977-08-23

Weakly, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

13750536, F16K 3114

Patent

active

040433579

ABSTRACT:
A filler fitting for heating installations has a housing with an inlet, an outlet and between them a pressure-reducer having a valve mechanism which includes a valve stem spring loaded to an open position; to facilitate filling a releasable pin is provided which acts on the valve stem by means of a lifting cam located outside the housing. The cam is also capable of rotation and the pin can thereby act to adjust the spring pressure on the valve mechanism independently of the action of the pin on the valve stem.

REFERENCES:
patent: 1286397 (1918-12-01), Olsen
patent: 3547427 (1970-12-01), Kelly
patent: 3665956 (1972-05-01), Hammon
patent: 3747629 (1973-07-01), Bauman

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