中文字幕日韩wm二在线看,92看片淫黄大片一级,嫩操影院,色涩在线

water level control valve

water level control valve

water level control valve


The water level control valve and the water level control ball valve can form a water level control system. The water level control valve of the floating ball is used to automatically adjust the water inlet of the water tank.

This water level control valve has two specifications: 3-inch screw water level control valve and 3-inch flange water level control valve, which can work in the open air.

Specification 3 "

Interface mode: thread / flange
Working pressure 0.35-10bar

Top