F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/64
F16K 17/04 (2006.01) F16K 17/08 (2006.01)
Patent
CA 1278492
ABSTRACT OF THE DISCLOSURE An improved safety relief valve that includes an adjusting ring located on the valve seat member. The adjusting ring has one end located to provide an orifice which will control the area governing the rate of closure or "blow down" of the valve and a much larger peripheral surface which cooperates with a valve member carrier to provide an orifice that governs the force applied to the valve carrier and valve member to lift the valve which has been previously "cracked."
539670
Dresser Industries Inc.
Macrae & Co.
LandOfFree
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