FIELD: oil and gas industry.
SUBSTANCE: washing check valve includes the tubular body, in the hole of which the return gate with inlet and outlet channels are placed, the spacer connected to the tubular body, inside which the outlet channel is located. The return gate is placed between the spacer made with the conical hole and the additionally mounted flange, the opening of which is commensurate to the gas inlet channel and the smaller diameter spacer hole. The check valve consists of the body and magnets and the sealing rings, located along its annular line facing the spacer. The holes of the flange, the return gate, the spacer and the tubular body are coaxial. The hole of the larger diameter spacer and the hole of the tubular body coincides. The spacer is connected to the tubular body to form the cavity which height is within the certain limits, depending on the tubular body thickness.
EFFECT: increase of the valve operating efficiency.
3 dwg
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