E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/01 (2006.01) E21B 21/10 (2006.01)
Patent
CA 2677401
Equipment for intercepting and diverting a liquid circulation flow, consisting of three flow chambers and a series of valves, said chambers, equipped with connection means with arrival or supply lines, communicating with each other, of which only one (I) communicates with both of the other two (II) (III), the communication between said chambers each being obtained by means of at least two valves of which one is a flow-rate valve (Q) and at least one equalizer (E), each equalizer valve (E) being coupled, upstream or downstream thereof, with fixed or adjustable flow- blocking devices (D), the two non- communicating chambers having a valve (V) or a three-way valve in common, or one each, a one-way valve in counterposition, one being open when the other is closed and vice versa, said valve (V) being coupled with a discharge valve (S).
L'invention porte sur un équipement permettant d'intercepter et de détourner un flux liquide, comportant trois chambres de flux et une série de vannes. Lesdites chambres sont équipées de moyens de connexion avec des tubulures d'amené ou d'alimentation communiquant entre elles, et dont une seule (I) communique avec les deux autres (II) (III), la communication entre lesdites chambres se faisant via au moins deux vannes dont l'une règle le débit (Q) et l'une au moins (E) est une vanne d'équilibrage (E) couplée côté amont ou côté aval à un obturateur de flux fixe ou réglable (D). Les deux chambres non communicantes comportent une vanne (V) ou une vanne trois voies en commun, ou comportent chacune, une vanne unidirectionnelle en contreposition, l'une étant ouverte quand l'autre est fermée et vice versa, la vanne (V) étant couplée à une vanne de décharge (S).
Calderoni Angelo
Girola Giorgio
Eni S.p.a.
Robic
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