因为小弹簧容易被固体物堵塞,高粘度介质会使小弹簧轴向补偿移动受阻。
Because of the small spring easily plug solids, high viscosity medium will move in small delay compensation axial spring.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门,因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
易结晶、易凝固和高粘度的介质,应采用大弹簧旋转式结构。
Easy crystallization and easy to solidification of the medium and high viscosity should be used in the structure of large rotary spring.
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