When this product is installed, the first pressure relief valve to the lowest, that is equipped with the device's internal hex wrench, unscrew the valve top nut counterclockwise in the end,
pressure gauge shows zero. Then connect the underground water supply pipes. Slowly adjust the valve clockwise until the pressure gauge pointer (0.5Mpa), stop adjustments, and
tighten the nut on the adjustment holes, and then one by one to open each water supply valve and see if there is enough of each water supply pipe clean water outflow. If the normal
water supply, close the water supply device door, plug door latch. If in the case of emergency, underground water rescue personnel needed, then open the door, and then open the
corresponding outlet valve, you can directly drink clean water, to wait for the timely rescue. Note: You can not violently pull !
Supply water pressure：0.1—0.5 MPa；
Water outlet: 5 pcs using hose (with health permits) take out, and mine air pressure supporting the use of self-help devices; life: 2 years (when the household water purification);
Start Production Capacity: 400 L / min;
Water inlet: ф10-25 high pressure hose connector or connector blocks.