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Product Description:

Performance Parameter

The pressure control of product consists of three parts: pressure gauge, photo-electric

sensor,electronic circuit. Pressure gauge is used for measuring pressure value,photo-electric

sensor is responsible for transmitting pressure start &stop signal to circuit board , then the circuit

board processes the signal of photo-electric sensor, to judge whether the controlled equipment is

closed or started. The control mode can be divided into two kinds: direct on/off control and signal


  The product control pressures by adjusting the red and green position indication, reference point

is not mechanical contact, but guarantee the stability and accuracy with Photo-electric principle.

In products such as ordinary pumps and air compressor, internal electronic circuit design can

directly control power which doesn’t exceed 2.2KW , without external control cabinet and

auxiliary relay.

Pressure control section : 0-4KG 0-6KG 0-10KG 0-16KG 0-60KG …

Allow to control Max power of electrical motor:1.5KW & 2.2KW

Work & control voltage:220VAC 50HZ

Allow conventional screwed connection:


Pressure adjusting mode :

Freely adjust pump start(lower limit)& stop(upper limit)

Waterproof performance index :IP65

Max allowable temperature of fluid :80 ℃

Service life:140,000 times

Function of pessure controller for pumps  

This product is different from the conventional pressure switch:It’s combined electric contact pressure gauge combines the advantages of accurate readings, through photovoltaic technology control the installed equipments on-off freely. Product design components including: a stable and reliable electronic circuits , high-performance electronic relays, sensitive precise photoelectric sensor, electric contact pressure gauge plate, high-strength plastic sheet (or metal sheet).

To comparing with the traditional domestic and foreign products, we have the following advantages:

1, Arbitrarily set to start and turn off the value of stress value.

2, Precise control makes no problem in continued repetition on-off.

3, Working stress shows on dial makes observation more convenient .

4, Long working life, stable performance.

5, The minimum pressure can adjustable to zero pressure at start, control more convenient;

6, Free from pressure limited ,0-6KG / CM 2 ,0-10KG / CM 2 ,0-50KG / CM 2 ,0-500KG / CM 2, or higher;

7, Free from working condition limited, it can work in any places there is pressure.

8,Don’t need to install the pressure tank

You can enjoy more advantages in using our products.

Detailed introduction of solar energy & air source installation

1. If increasing the pressure with canned motor pump,then just have to install the automatic valve

2. If increasing the pressure with high-head self-priming pump and centrifugal pump, then must install the valve on the pump outlet,automatic switch should be installed on the pipeline which is behind the valve and away from the valve more than 1m ,so that the pressure switch can receive steady pressure and prevent the pressure gauge needle from shaking.


When supplying water from up to down,attention that the pressure should be less than 2kg. So it’s better to choose the pump with smaller pressure. If thepressure is too high, will make the switch frequently start, so that greatly reduce the service life of pressure switch, the service life of pumps and valves will also reduce.

3. Pressure switch selection, must according to the pump’s actual head to choose the pressure switch which is a little higher than the highest head of the pump.

Pressure switch adjusting mode:

After having installed the pump and pressure switch:firstly, set the upper limit of pressure switch to the highest, then start the pump and close all valves, check the value on the pressure gauge, if the pressure is higher than 2.5KG,set the upper limit around 2.5KG., if the pressure is lower than 2.5KG, upper limit setting must according to the actual water condition.

Adjusting mode:

Start the pump,adjust the upper limit of pressure switch to the highest, check the biggest value of pressure switch needle when the pump is working, then open the water valve which is on the highest floor, adjust the water consumption with the valve on the pump outlet, when the water consumption is suitable on the highest floor, keep the water consumption steady,watch the value of needle on the pressure switch, then set the upper limit value of pressure switch a litter higher than the value of this moment ,but lower than the value when the valve is closed, set lower limit to 0.3—0.4 KG..



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Q:Control the pressure switch of the cold and dry machine fan is measured what pressure
Under such a principle, when the temperature rises, the system needs to cool down, in the form of pressure to the pressure switch command cooling fan start, cooling the condenser cooling, reduce the condensation temperature.
Q:Pressure switch on a pair of normally open point how to reach the alarm and direct Kai pump
B, when the double-contact pressure switch, the problem is simple, as long as a group of contacts wiring to the spray pump control cabinet, another group of contacts connected to the alarm host. Now the actual engineering applications, double contact pressure switch with more and more.
Q:Is there a pressure switch with pressure relief function?
First of all to be clear is that the pressure switch is the pressure signal into an electrical signal of an element, he can control the electromagnetic relief valve, etc., to pressure relief, these two together is that you said
Q:Cold press does not work, the pressure switch light jump
Lack of refrigerant / evaporator icing / filter clogging, resulting in low voltage protection
Q:Home booster pump pressure switch failure how maintenance
Flow switch failure. May be stuck by the garbage in the water. Remove the rinse. Or replace the water flow switch.
Q:Only set the fire tank regulator, there is no regulator of the temporary high-pressure water supply system
then look at how much the floor, the pressure switch is placed Alarm valve above, is the spray pump, not the regulator with the pump.
Q:Air compressor pressure switch, there are two pairs of terminals is not to take two wires
There are two kinds of connection, a fire line are connected to the zero line, 2 0 line directly connected to the above two terminals and are connected with the line of fire, so you can withstand the current.
Q:What is the difference between the pressure sensor, the pressure controller and the pressure switch used in the refrigeration air conditioner?
The pressure switch is generally a protective switch, the pressure is too high or too low to control the air conditioning to stop working.
Q:220 v pressure switch how to achieve the motor stopped
It can be used in a variety of dangerous places, a variety of different industrial sites and different industrial areas.
Q:Where is the pressure switch?
I would like to ask you what kind of pressure switch, is the use of the robot,

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