Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1975-07-29
1976-12-28
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
114212, 13751625, 220203, 239454, F16K 1502
Patent
active
039995712
ABSTRACT:
A pressure relief valve, e.g. for oil tankers comprising a valve housing, in the interior of which there is provided a valve seat for an upwardly opening valve body which carries a drop-shaped throttling member located in a flow-off opening at the top of the valve housing at a distance from the valve seat.
REFERENCES:
patent: 2602005 (1952-07-01), Weldy
patent: 2815247 (1957-12-01), Hogeman
patent: 3095153 (1963-06-01), Soth
patent: 3285300 (1966-11-01), Mistarz
patent: 3557740 (1971-01-01), Pratt
Pedersen Hans Henrik
Sorensen Emil Aarestrup
Nilson Robert G.
Pres-Vac A/S
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