Active Member
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[China]
Address: No.16, 3rd Str., Xie Di Xin Cun, Dong Di Road, Wanjiang District, Dongguan City 523000, Guangdong Province, China
Contact name:Kevin Ou
Dongguan Kodo Tech Co., Ltd |
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Specifications Details :
Applications:
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M series industrial-grade high-pressure pump uses: immersion lubrication crankshaft rotation, wear-free ceramic plunger, forged brass pump body and stainless steel valve.
It can work continuously for 24 hours without interruption.
Humidification spray, artificial landscape, high-pressure spray cooling, high-pressure cleaning, and cleaning system supporting.
1. Safety matters
1.1 In order to ensure the safe use of this pump, it is strictly
prohibited for users to operate this pump without reading the
instruction manual to prevent accidents and unnecessary losses.
1.2 If the machine is powered by a motor, the grounding of the
machine must be safe and reliable, and a leakage protection switch
or a safety protection device must be installed at the power
terminal.
1.3 (CD 15W-40) oil should be added to the crankcase, and the oil
level should be half of the oil mark. It is strictly forbidden to
operate before adding lubricating oil.
1.4 When stopping use, the power supply of this pump should be cut
off first, and then the water source should be turned off.
1.5 The pump outlet pressure should be matched reasonably, and the
pump pressure should not exceed the maximum working pressure during
use.
1.6 In order to prevent impurities from being sucked into the water inlet pipe, a filter with sufficient filtering area must be installed, and the mesh number of the filter is required to be no less than 40 mesh/inch.
2. Features and uses
2.1 Features
BM type three-cylinder plunger pump is a high-pressure, high-speed
light and small three-cylinder plunger pump. The pump has a high
speed and can be directly connected to a 4-pole motor without the
need for deceleration equipment.
The pump has compact structure, small volume and light weight.
2.2 Purpose
This device is mainly used to transport clean water at room
temperature.
This device is suitable for high-pressure cleaning machinery,
agriculture, forestry and plant protection machinery, water-saving
irrigation machinery, pressure calibration equipment, etc.
3. Working principle
The power is transferred through the crank connecting rod mechanism to convert the rotational motion of the crankshaft into the reciprocating motion of the plunger. When the plunger moves backward, due to the vacuum suction, the water inlet valve opens and the water outlet valve closes, and water is sucked into the cylinder; when the plunger moves forward, As the water pressure in the pump rises, the inlet valve is closed, the outlet valve is opened, and the high-pressure water is discharged from the outlet valve through the high-pressure pipe.
The establishment of pump pressure depends on the size of the damping of the pump outlet. Large damping means high pressure, and vice versa.
4. Pressure regulating valve
The pressure regulating valve is mainly composed of a pressure regulating cover, a pressure regulating spring, a valve stem and a ball valve seat, a check valve seat and a check valve core.
This pump is equipped with a pressure regulating valve model is 3/8 external return water pressure regulating valve
The functions of the pressure regulating valve include: ① It can regulate the pressure. ②When the spray gun is opened to spray, the pressure immediately reaches the set value, and when the spray gun is closed, the pump pressure immediately drops below 1Mpa. If the unloading valve is not installed, the pressure when the gun is turned off will be higher than that during spraying, and will consume more power than when it is working. Therefore, using an unloading valve is an effective way to save energy. Under normal circumstances, it can save about 30%.
5. Use and operation
5.1 Preparation
Before use, you should pour lubricating oil (N68-GB3142-82) into the crankcase to half the oil mark.
Connect the matching water outlet pipe, water inlet pipe, suction
filter screen and bypass pipe, etc., and check whether the
fasteners and the pipe joints are loose.
Connect the inlet and outlet pipes of the pump, and there should be
no less than 40 mesh/inch filter device at the end of the inlet
pipe to prevent debris from entering the pump and affecting the
normal operation of the pump.
5.2 Start-up and operation
Generally, the unloading valve has been adjusted to the rated
pressure, and no further adjustment is necessary. If you need to
adjust the pressure, you should fire the gun first. After firing,
turn the pressure regulating handwheel of the unloading valve while
spraying to make the pressure reach the predetermined value. To
start working.
Malfunction | Cause | Solution |
The pump is running but does not absorb water |
problem with the water supply | Open the water supply valve Confirm whether the water supply line is in a folded state Do not allow air to enter the water supply line |
| The pump is running but fails to meet the pressure requirements | Water supply line is blocked Air in the pump One-way valve fails or foreign matter enters Pressure regulating valve malfunctions or foreign matter enters Nozzle failure Seal failure | Check the suction line Check the suction line Wash or replace Wash or replace replace replace |
1. Sudden vibration when the pump is running 2. Unstable pressure / pulsation, no pressure operation | Inhaled air One-way valve fails or foreign matter enters Damaged O-ring at the lower end of the check valve Check valve damaged overall Component wear The inlet pipe is blocked and the water intake is blocked Idling Accumulator without pressure | Check the suction line Clean safety valve and replace Replace O-ring Replace check valve Replace components Check whether the system is clogged and air leaks, the pump inlet
pipe size is appropriate Check whether the inlet pipe is blocked and the size is appropriate Repressurize or replace the accumulator |
| Pressure drop, sudden pressure drop in the pipeline | Seal wear Valve spring broken Worn or damaged nozzle Drain valve blocked Worn or damaged hose Due to throttling, the pump is idling Uninstall | Replace the seal assembly Replace the spring Replace the nozzle Cleaning valve assembly Repair / Replace Check the inlet pipe at the entrance Check if it works |
| Running noise | Bearing wear Idling | Replace the bearing and refuel Check whether the inlet pipe is blocked and the size is appropriate |
| Excessive unloading of overflow saliva | Plunger wear Component / seal wear Too much vacuum Plunger break Inlet pressure is too high | Replace plunger Adjust or replace the seal assembly Reduce the vacuum on the suction side Replace plunger Reduce inlet pressure |
| The crankcase temperature is too high | Wrong choice of lubricant Crankcase oil volume is not suitable | Choose the right lubricant Adjust the oil level to the appropriate amount |
| Crankcase water intake | Humidity is too high Seal wear | Reduce oil seal interval Replace the seal |
