Pre-set regulator assembly

Details Pre-set regulator assembly Pre-set regulator assembly

1990-07-23

1991-10-29

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

F16K 1706

Patent

active

050606905

ABSTRACT:
A pressure regulator assembly having a pre-set apparatus in a selectively inaccessible location for pre-setting a minimum pressure for said pressure regulator and an adjustable mechanism for providing a selectively higher pressure. The pre-set apparatus is selectively adjustable only upon gaining entry to the selectively inaccessible location. A shield member prevents blockage of a venting port while assuring continued communication between the venting port and an area of reduced pressure, such as atmospheric pressure.

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patent: 4620428 (1986-11-01), Kopesky
patent: 4716747 (1988-01-01), Russo
patent: 4881388 (1989-11-01), Pruim

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