Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1977-07-12
1979-07-10
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
137534, 220203, F16K 1500
Patent
active
041604628
ABSTRACT:
An adjustable relief valve comprising a valve member and a valve seating one of which acts against the other under the pressure of a predetermined weight to close a valve port, and a removable weight which can be added to the predetermined weight to vary the closing pressure, said removable weight being of annular shape and being located by means of a bayonet type connection on a boss connected to the valve member or the valve seating.
REFERENCES:
patent: 2692613 (1954-10-01), Waite
Nilson Robert G.
The Prestige Group Limited
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