The first step is to close the sprinkler's pipe before the sprinkler performs pumping, and open the two bucket ball valves in the middle of the sprinkler. Note that the ball valve is an inlet and outlet pipe. The left one is a big ball valve and the right is a fire hydrant. The middle one is a small ball valve.
Second, place the handle of the sprinkler in the direction of the tee. The handle here is the big ball valve on the left. There is a point on the ball valve. When the shop is on the right, it is in the water state. The other shop on the small ball valve should be adjusted to the left. At this time, the big ball valve The two points with the ball valve are relatively true, and the fire hydrant status at this time is closed.
The third will start the sprinkler start, pay attention to observe the barometer, when the pressure reaches 7 to 8 MPa, the clutch will be depressed while pulling out the force single-force switch, and then slowly release the clutch. At this point, pumping starts normally. When the water is full, the three-way contact of the sprinkler is outward and the inlet is closed. The closing direction of the ball valve of the sprinkler is to adjust the ball valve point to the direction of the operator. At this time, the next sprinkling operation can be performed.
Fourthly, open any one of the front and back pipes of the sprinkler to perform the sprinkling operation, so as to prevent damage to some parts of the sprinkler due to excessive pressure during the sprinkling operation. If you need to perform high-spraying, you can turn the sprinkler high toggle switch on.
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