Refrigerating valve
A technology for valves and valve stems, applied in the field of steel valves, which can solve the problems of easy leakage, disc wear, and impact on service life, and achieve the effects of avoiding severe wear, good sealing performance, and compact structure
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[0012] Such as figure 1 A refrigeration valve shown has a valve body 1, a valve cover 2, a valve stem 3, a valve stem sleeve 4, and a valve disc 5. The valve body 1 is provided with an inlet pipe 6 and an outlet pipe 7, and the valve stem sleeve 4 is arranged on On the valve cover 2 and connected with the valve cover 2, the valve disc 5 is arranged at the front end of the valve stem 3, the valve stem sleeve 4 is set on the valve stem 3, the valve stem 3 is threaded with the valve stem sleeve 4, and the valve stem 3 is connected with the valve stem sleeve 4. There is a sealing cover 8 between the valve stem sleeve 4, the sealing cover 8 is threadedly connected with the valve stem sleeve 4, the seal cover 8 and the valve stem sleeve 4 are sealed with a combined gasket, and the valve stem 3 and the sealing cover 8 are provided with double "O" Type ring or inverted "Y" ring 9 seal, valve body 1 and valve cover 2 are connected by bolts, valve cover 2 and valve body 1 are sealed wit...
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