| 摘要 |
FIELD: lock fittings for cutting off liquid or gas flows. SUBSTANCE: spherical faucet has body, spherical rotary plug, seats, each made in the form of disk spring. Each spring is connected with its supporting surface of large diameter to body and is in contact with its supporting surface of small diameter to plug. Spring surface contacting with plug is made spherical and covered with plastic material, with plasticity of this material exceeding that of plug material. EFFECT: increased efficiency and improved air-tightness. 3 cl, 2 dwg |
