Submersible sewage pump custody and use skills

Submersible sewage pump in the municipal construction, water treatment and other industries have a large number of applications, due to the harsh environment, the sewage pump requirements are high, so, in use, the submersible sewage pump custody and use To special attention. Submersible sewage pump custody and use of skills (1) Check the wearing parts. First of all remove the pump part, check the impeller, buckle, sleeve and bearing consumables are intact. Good can continue to use the pump assembly, bad must be replaced. (2) for lubricating oil. Respectively, unscrew the seal chamber and the motor within the hole screw, the sealed chamber and the motor all the internal release of lubricating oil, replace the new oil. (3) to ensure that the seal. When changing the oil in the sealed chamber, if it is found that the oiliness is cloudy and the water content has exceeded 50mL, the moving, static sealing ring or sealing box must be replaced or replaced as a whole. (4) dry. On the insulation resistance of less than 0.5mΩ motor windings, must be dried, dry method with the general motor. If the whole or sealed box is not replaced, you can only remove the stator part of the pump. Under normal circumstances, the whole or sealed box should be as much as possible disassembly, if you really want to disassembly, O-ring rubber seals must be replaced. (5) Check the bearings. Check the motor part of the upper and lower bearings, found excessive wear or clearance is too large, the timely replacement of new bearings. (6) Confirm that the parts are not rusty. Before use should be disassembled pump casing, turn the impeller and then closed to prevent corrosion of parts can not start normally and burn motor windings. This maintenance is especially important for water-filled motors. (7) Make sure the bearings are well lubricated. Water-filled submersible pump should replace the upper and lower cover shaft seal oil seal and lithium-based grease to ensure that the bearing in the work can get good lubrication.

Cutting & Grinding Wheels

Bonded abrasive products are our main products, such as resin Cutting Wheels , metal Grinding Wheels , Abrasive Sanding Disc, Sanding Screen Disc, Abrasive Flap Disc, Flap Wheels , etc


Below is our cutting wheels specification:
1)2nets/3nets/4nets fiberglass make products more reinforced and safety.
2)Mix SA will be more sharp,less noise , dust and spark,reduce material lose.
3)Special resin and abrasive will be more high tensile and flexible.
4)low vibration and high stability for comfortable cutting or grinding.

Application: It's cut by puncher from reinforcing net-like fiberglass cloth for grinding wheel which is directly used for reinforcing grinding or cutting wheel.

Application: For cutting of stainless steel ,precious metal such as steel alloy.

Feature 1)Excellent alkaline resistance and corrosion resistance.2)High tensile strength and impact resistance.

3)Good dimensional stability and deformation resistance and adhesion with resins and water resistance.

4)Temperature stability and flame resistance.

5)Soft, flexible and well arranged, simple and easy to apply.

6)Durable, versatile and cost-effective.



Shrink: 100 pieces per plastic bag

Carton: 1000 pieces per carton

Lead time: 20-30 days/container

Deliver 1)Free sample by Express Line.

2)LCL cargo by ship or airplane.

3)FCL cargo by ship.

Payment 30% deposit,70% balance before shipping or against bl.

Cut Off Disc Abrasive Cutting Disc 52


Abrasive Grinding Wheels 3 8

Bonded Abrasives,Iron Cutting Disc,Cutting Wheel Wood,Grinder Cutting Disc Metal,Blue flap disc adhesive

Zhengzhou Jiading Abrasive Manufacturing Co.,Ltd , https://www.jd-abrasives.com