A cover bearing and integral seat bearing guide the stem assembly for precise alignment with the seat.
阀盖轴承和整体阀座轴承引导阀杆总成,实现与阀座的精确定位。
2
Flow indicator light integral with switch cover. Indicates flow or no flow conditions.
与开关盖一起配置的流量指示灯。指示有流量或无流量情况。
3
The centrifugal pump is one combined structure of pump cover and integral volute and has one cast polyurethane elastomer lining in the fluid passing part.