Surge relief valve

Details Surge relief valve Surge relief valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/12 (2006.01) E21B 43/00 (2006.01) F16K 47/02 (2006.01) G05D 16/16 (2006.01)

Patent

CA 2074010

A surge relief valve suitable for high pressure application, for example in a crude oil pumped pipeline. The valve has a plug movable to expose different areas of an energy-absorbing cage trim to fluid flow. The plug position is controlled by a control device proportionately responsive to changes in upstream fluid pressure. The valve requires no external power for its actuation.

Soupape de surpression convenant aux utilisations à haute pression; par exemple, dans une canalisation pour pétrole brut pompé. La soupape a un obturateur mobile servant à exposer différentes sections d'une cage pour organes internes absorbant l'énergie adaptée au débit du fluide. La position de l'obturateur est réglée par un dispositif de commande qui réagit de façon proportionnelle aux changements de pression amont du fluide. La soupape n'a besoin d'aucune alimentation extérieure pour son fonctionnement.

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