| 摘要 |
This check valve is characterized in that the valve body (1) is a one-piece tubular member being in one of its openings removably fitted with a member being provided to retain the valve's inner active shutoff members, in the opening being opposite to the one being provided with the retaining member (4) said body being formed with the valve seat (12) being provided to cooperate with the valve head (10). The retaining member at the same time forms a coaxial guide being provided to guide the valve head carrying stem (9), said retaining member also forming a stop for the coaxial spring (11) being arranged between the retaining member and the valve head, said retaining member being formed by an externally threaded ring (6) being fitted in a threaded connection to the corresponding opening of the body and comprising a diametral length being centrally formed with the cylindrical guide being provided for guiding the valve head carrying stem. <IMAGE> |
