| 摘要 |
FIELD: pump engineering. SUBSTANCE: working valve of the automat is composed of plunger 16 and conical plate with a shank which has a spring-loaded collar 27. A slide valve device is made up as telescopically mated bushings 23 and 24. The female bushing is provided with seal 25. EFFECT: enhanced capacity. 3 cl, 3 dwg |
