| 摘要 |
A spring-controlled snap action valve assembly (12) and an apparatus (10) for dispensing pressurized liquid using the valve assembly, the apparatus including a connection (58) to a source (16) of pressurized liquid, the spring-controlled snap action ball valve assembly including a snap action ball valve (82), an inlet (78) and an outlet (80), a conduit (56) in fluid communication from the connection to the valve assembly inlet, a nozzle (54) in fluid communication with the valve assembly outlet, and an actuator (36) connected to the valve assembly to actuate the snap action ball valve from a closed position to an open position and from an open position to a closed position.
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