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PU Grouting Machine
Structure of PU Grouting Machine:
PU Grouting Machine(BW-250 type)is mainly composed of pump head, pump body, frame, protective cover, clutch, water filter, air chamber and pressure gauge. The pump body, pump head, frame and other parts are bolted to facilitate the decomposition of difficult transportation and removal.
Technical parameters of PU Grouting Machine:
| Cylinder number | 3 |
| Bore diameter | 80mm |
| Piston stroke | 100mm |
| Diameter of suction pipe | 64mm |
| Diameter of outlet pipe | 32mm |
| Motor power | 15kw |
| Main shaft speed | 1450 r/min |
| Working pressure | 6 Mpa |
Structure of PU Grouting Machine:
PU Grouting Machine is mainly composed of pump body, pump frame, air chamber, shock-resistant pressure gauge, motor, V-belt and pulley cover.
The installation foundation of cement grouting pump should be smooth and not inclined.
The pump is fixed on the foundation with the foot screw to prevent the vibration of the pump during operation.
Preparations before pumping:
After the pump has been stopped or reinstalled for a long time, the following preparations must be made before starting.
1. Check whether there is enough lubricating oil in each part.
2. Check whether the suction pipe of the filter is unblocked.
3. Check whether there is obstruction in the movement of each part.
4. Check the accuracy and reliability of the transmission mechanism.
5. Check the looseness of fasteners, especially the screw tightening of rubber piston locking nut, cross head and piston rod connection thread.
6. Check the suction height of the pump. The maximum suction height of the pump should not exceed 2.5 meters in areas below 1000 meters above sea level. In areas above 1000 meters above sea level, the suction height of the pump should be reduced according to the local atmospheric pressure reduction.
7.Check the position of the filter immersed in the mud tank. Generally, the mud level should be below 0.3-0.5 meters, and the filter should be no less than 0.5 meters away from the bottom of the mud tank.
