Three-screw pump is the use of screw rotation to suction and discharge liquid, due to the mutual engagement of the screw and the screw and the inner wall of the liner in close cooperation between the suction and discharge of the pump will be separated into one or more seals space. Three screw pump is widely used in petroleum, electricity, chemical fiber, shipbuilding, metallurgy, glass, machinery, machine tools, roads and other industries. Suitable for conveying lubricating oil, hydraulic oil, lubricating oil, asphalt, crude oil and other similar lubricants.
For intermittent operation, high pressure, low viscosity, poor lubrication media, or similar media, the actual pump life will be shortened. We recommend to check every once in a while, and its working conditions are within the specified range.
1. Startup (1) Before starting the inspection of all pipe flanges, joints tightness, tight leak.
(2) Turn the coupling to check whether the rotation of the pump is flexible. If there are other problems such as jamming, remove the pump.
(3) The first start should unscrew the safety valve refueling screw plug or remove the cover, injecting liquid into the pump and hand counterclockwise rotation of the coupling to ensure that the friction pairs have sufficient lubrication.
(4) Before starting, all the valves in the suction and discharge lines should be opened completely, and it is forbidden to start the valve. Check motor rotation is correct.
(5) After the preparation is completed, can be connected to the power, direct start.
2. Stop screw pump must not shut down into the outlet valve shut down.
If heavy fuel oil, asphalt and other highly viscous media are to be transported, the pump thermal insulation valves 1, 2 should be opened to keep the temperature of the pump after the standby pump is shut down. This will prevent the pump or motor from being damaged immediately when the emergency starts.
3. MAINTENANCE (1) If the sound of the pump and the motor is abnormal (or the current meter pointer rises rapidly), stop immediately to find out the cause.
(2) The outlet pressure must not exceed the pressure shown on the pump's nameplate.
(3) Safety valve has been adjusted before production, can not be arbitrarily mobilized. (4) If the pipeline system fails, there should be a safe return to stop troubleshooting immediately. General safety valve reflux time shall not exceed three minutes. If the pump is too long, the pulse wave generated by the returning fluid will cause the pump to vibrate and even cause the pump to "bite".
(5) drip leakage at the shaft seal is a normal phenomenon, such as oil leakage greater than 10 ml / hour, should stop troubleshooting or replace the new seal components.
(6) In the circuit controlling the operation of the motor, there should be overload protection components. Such as pump "biting dead", should cut off the power automatically, in order to prevent the electrical machinery to burn out.
MS Series 3-phase Aluminum Housing Induction Motor
MS series motor is totally enclosed and fan cooled 3 phase squirrel cage induction motor. It is newly designed in conformity with the relevant rules of IEC&DIN42673 standards. Y connection for motor of 3kw and below. Delta connection for 4kw and above.
Application:
MS serise 3 phase motors are widely used as driving equipments of various machineries such as: machine tools, blowers, pumps, compressors, transporters, agricultural and food processing.
Operating Condition:
Ambient temperature: -15°c to 40 °c
Altitude: ≤1000m
Rated voltage: 380V, 400V, 415V, 220V, 230V, 240V, etc
Rated frequency: 50HZ, 60HZ, 50HZ/60HZ
Duty: Continuous(S1)
Insulation class: Class B, Class F
Protection class: IP44, IP54, IP55
Cooling method: IC0141
Note:
The voltage and frequency could be made according to your request. If there is any requirements or inquiries, welcome to contact us.
MS Three-Phase Aluminum Housing Electric Motor
MS Three-Phase Electric Motor,10KW Electric Motor,3 Phase AC Motor,Three Phase Electric Motor
FUZHOU LANDTOP CO., LTD , https://www.landtopco.com
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