Gas safety valve is a device for supporting new gas pipeline project. Used to cut, turned, adjusting the gas pipeline, with good control characteristics and closed sealing performance.
2013年5月14日星期二
The corrugated hoses impact resistance and high-speed
Canceled vibration or shaft of the stopper ring seal to greatly reduce the vibration of the pump bellows seal stopper ring seal through the snap ring, the snap ring from a big influence impact, also referred to as a floating seal.
When the bellows is designed as a fixed structure and damper device, the damper can be effectively prevented in the case of high linear velocity generated by the resonator axis and the pump body, so the line speed is greatly improved, the line speed of up to 100M / sec.hydraulic banjo fittings
In common with the general design of the mechanical seal spring pressure 0.15MPa-0.25 MPa pressure to reduce the spring and bellows seal spring pressure is generally designed to the fixed spring pressure of between 0.05-0.15 MPa bellows seal structure is significantly less . Therefore, the frictional heat generated by the spring pressure is reduced, the surface temperature of the lower end, thereby reducing the amount of wear of the friction surfaces, i.e. reducing mechanical power, in order to improve the sealing performance, to extend the service life of the seal member hydraulic hose cutting machine
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