Serviceable check valve

Details Serviceable check valve Serviceable check valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 15/14 (2006.01)

Patent

CA 2124456

An improved check valve assembly (36) of the type having a relatively flexible disc member (46) retained between relatively rigid inflow and outflow housing portions (38, 42). The inflow and outflow housing portions are removably threadably interengaged to permit serviceability of the ckeck valve and the relatively flexible disc member (46) has a generally perpendicular stem (48) extending into the bore (40) of one of the housing portions (38) to avoid misalignment of the disc with the housing. A tongue and groove means (68, 70) circumferentially seals the housing portions together by deforming to a common taper angle between the tongue and groove to provide sealing therebetween.

Ensemble soupape d'arrêt améliorée (36) du type comprenant un disque (46) relativement flexible, retenu entre des parties (38, 42) d'enveloppe relativement rigides à écoulement d'entrée et de sortie. Ces parties d'enveloppe sont réciproquement accouplées de manière vissée et libérable afin de permettre l'entretien de la soupape, et le disque (46) relativement flexible comprend une tige généralement perpendiculaire (48) s'étendant dans le trou (40) pratiqué dans l'une des parties (38) d'enveloppe afin d'éviter un mauvais alignement du disque par rapport à l'enveloppe. Un élément à languette et rainure (68, 70) permet aux parties d'enveloppe d'entrer en un contact étanche l'une contre l'autre sur leur circonférence en déformant la languette et la rainure à un angle de conicité commun afin d'assurer un contact étanche entre elles.

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