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Portable Differential Pressure Switch For Air Compressor With Gray Baking

Portable Differential Pressure Switch For Air Compressor With Gray Baking

type : Measuring Instruments
Case : ABS Screw
Material : Plastic
Scale range : 0.5 to 4 bar (7.14 to 57 psig)
Coated : gray baking varnish
Product name : Differential pressure switch
Application : pressure sensitive switch
Color : Customer's Request
Weather Proof : IP65
Name : High Quality Differential Pressure Control Switch
Place of Origin : China
Brand Name : WINNER
Certification : CE
MOQ : 10Pcs
Price : negotiable
Packaging Details : Standard Export Packing Kraft Box
Delivery Time : 5-20 Working Days After Received Your Payment
Payment Terms : L/C, T/T, Western Union
Supply Ability : 5000pcs per month
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High Quality Differential PressureControl Switch


Differential pressure control is normally used in water system of central air-condition to control the pressure differential between the pipe of water providing & the pipe of water returning. It is different from other pressure differential controls, which has a SPDT contact. Through the movement of the floating contact, the control reaches the contact and makes the engine driver to operate the valve. A typical sample of application is to equip the valve in the side pipe near the system water pump. When the pressure differential between the pipe of water providing & the pipe of water returning is over the pre-set pressure, the valve will wide open, more water goes through the side valve, which will reduce the pressure differential between these two pipes of the water system. On the opposite, the pressure differential will increase between these two pipes of the water system.


Application:
The WP74JA pressure controller combines two pressure elements with high sensitivity, which are facing each other. This product is often used in refrigeration system to balance the pressure difference between the water collector and the water separator. After the controller's SPDT floating point action turns on the contact, the bypass valve is opened and closed to achieve a balance of supply and return water pressure difference. When the system differential pressure increases beyond the controller setting, the valve opens up. More water turns through the bypass valve, which reduces the system's supply and return water pressure differential. The TP74JA is also suitable for other gas or liquid differential applications.


Feature
1. Single-pole double-gate, fully enclosed Penn switch
2. 1/4`` The horn pressure riser is connected to the sensitive component, making the installation easy on site.
3. Direct reading scale can quickly determine the set point
4. Change the differential pressure setting without moving the cover.

5. Flexible mounting board is suitable for different locations
Easy for installation


Parameters


ProductWP74JA pressure differential controller
Scale range0.5 to 4 bar (7.14 to 57 psig)
Operating pressure difference0.14bar (2psig )
Electrical specifications2A, 24V AC, 50/60Hz
Contact ElementSPDT Fully Enclosed Floating Penn Switch
MaterialBox0.062`` (1.6mm) cold rolled steel
HousingABS
Coatedgray baking varnish
InstallationMounting on a flat surface or with a 271-51 universal mounting bracket
Wire connectionconnect with color code spiral type red terminal
Shipping WeightSeparately packed2.4 lbs (1.1 kg)
Assembly from 25 pieces62.5 lbs (28.4 kg)
Operating ambient temperatureminimum 30°F (-1°C) up to 140F (60°C)

Installation:
Mount the controller anywhere on a flat surface or control panel. Use the holes on the back of the box to tighten with two screws or bolts. The controller should be installed such that the bellows joint is above the level of the equipment used, which reduces the likelihood of external defects accumulating in the bellows. Let the capillaries relax to avoid "string" vibrations when too tight, resulting in capillary breakage. The lower part is marked with "H.P." and is connected to the high water pressure line by a copper tube, and the upper part is connected to the low water pressure line by a copper tube. The copper pipe joints shall form the corresponding bell mouth.


Debugging:
Insert the screwdriver into the gap of the turntable below the low water pressure inlet, and turn the turntable until the dial pointer is aligned to the desired position. Rotate the turntable to the left to increase the set value or rotate to the right to reduce the difference. Set value.


Wiring diagram:

(1) If the electric valve actuator is an electric ball valve driver, the red line (or the valve closing line) of the driver is connected to the yellow terminal, and the brown wire (or the valve opening line) of the driver is connected to the blue line.
(2) If the electric valve actuator is an electric butterfly valve driver, the red line (or the valve closing line) of the driver is connected to the yellow terminal, and the brown line (or the valve opening line) of the driver is connected to the blue line.
(3) If the electric valve actuator is a large-diameter electric butterfly valve, the valve closing terminal 4 of the driver is connected to the yellow end of the differential pressure controller, and the valve opening terminal 3 of the driver is connected to the blue end.


FAQ
1. Could I have prices of your products?
Welcome. Pls feel free to send us an inquiry here. You will get our reply in 24 hours
2. Can we print our logo/website/company name on products?
Yes, please advise the size and Pantone Code of the logo.
3. What's the lead time for regular order?
20-25 days for order quantity lower than 5000pc; For more quantity, usually 30 days.
4. Can I get a discount?
Yes, for the order quantity more than 10 pcs, please contact us to get the best price.
5. Do you inspect the finished products?
Yes, each step of production and finished products will be came out inspection by QC department before shipping.


Product Tags:

penn differential pressure switch

      

digital differential pressure switch

      
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Portable Differential Pressure Switch For Air Compressor With Gray Baking Images

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