1.Introduction

 Air Compressor Pressure Switch PS-A20 is used to regulate the tank pressure between two preset values(up to 175 psi) electrically driven air compressors. It is available with an unloading valve, which prevents compressors from starting while overloading, and it is available with an On-Off knob for manual cut off the compressor. The design allows the unloading valve to be rotated into eight different positions. Four ports connection makes it easy to connect with safety valve and pressure gauges.

2.Technical Parameter

For an example:

After-sales service
1.1~2years warranty for most of our products;

2.We will arrange delivery of the goods on time:

3.Within the warranty period, we will bear all the qulity problem of our produts;

4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;

5.Without any problem, we will gain the feedbacks of our products to help improve better products.
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About us:
Founded in 2009, our company is committed to supplying a full range of pressure switches / transmitters / sensors, level switches / transmitters/ meters, flow switches / transmitters/ meters. 
Our company is located in the "Capital of Electric Products", Liushi, Wenzhou. Besides, we set branch in Shanghai for automation control business in 2013. 
 
Shanghai Office
ADD: Rm. 408, #1 Building, Shanghai Zhihui Science Park, No.11, lane 911,  Hulan Road, Baoshan, Shanghai
Zipcode: 201900
 
Liushi Office
ADD: ROOM A111, JINHAO BUILDING,No.1-8 LIUWENG ROAD,LIUSHI ,YUEQING,WENZHOU
Zipcode: 325604
 
Yiwu Office
ADD: No. 146-3, Chouzhou North Road, Yiwu, Jinhua
 
Taizhou Office
ADD: No. 7, Xianqian Road, Yuhuan, Taizhou