Differential pressure switch
Differential pressure switch is a mechanical switch, there is a diaphragm or bellows in the pressure chamber which divides the chamber into two chambers, one is for connecting the low pressure end and another is for connecting the high pressure end. (do not reverse the connection; otherwise, the diaphragm or bellows will be damaged), the high and low pressure cancel each other to form the differential pressure value. The differential pressure value will cause the elastic change of the mechanical pressure sensor element, when the differential pressure value reaches the set point, the differential pressure switch will outputs the switching signal. When the NO and NC contacts of the differential pressure switch are connected to the relay or PLC, it means the differential pressure switch have entered the control system.
Product Description
Differential pressure switch (Diaphragm type )
Order information of differential pressure switch
KGSC- GM series differential pressure switch: Weld 316L stainless steel diaphragm, process connection: G 1/4F (can customize other type process connection), if request explosion proof, the model number shall be add “-E” as suffix.
| Model | Range | Dead zone | Switch frequency | Sensor material |
| KGSC-GM0400 | 0.02～0.4MPa | ≤0.03MPa | 20 times per minute | 316L |
| KGSC-GM1600 | 0.05～1.6MPa | ≤0.2MPa | 20 times per minute | 316L |
| KGSC-GM2500 | 0.05～2.5MPa | ≤0.25MPa | 20 times per minute | 316L |
KGSC-K series differential pressure switch: Nitrile rubber diaphragm and O-ring, process connection: G 1/4F (can customize other type process connection), if request explosion proof, the model number shall be add “-E” as suffix. The wetted parts is aluminum alloy for Micro differential pressure.
| Model | Range | Dead zone | Switch frequency | Sensor material |
| KGSC-K0020 | 0～2KPa | ≤30Pa | 10 times per minute | Nitrile rubber |
| KGSC -K0060 | 0.5～6KPa | ≤0.2KPa | 10 times per minute | Nitrile rubber |
| KGSC -K0250 | 1～25KPa | ≤0.3KPa | 10 times per minute | Nitrile rubber |
KGSC- G series differential pressure switch: Weld 316L stainless steel diaphragm, process connection: G 1/4F (can customize other type process connection), if request explosion proof, the model number shall be add “-E” as suffix. The wetted parts is aluminum alloy for Micro differential pressure.
| Model | Range | Dead zone | Switch frequency | Sensor material |
| KGSC-G0020 | 0～2KPa | ≤30Pa | 10 times per minute | 316L |
| KGSC-G0060 | 0.5～6KPa | ≤0.2KPa | 10 times per minute | 316L |
| KGSC -G0250 | 1～25KPa | ≤0.3KPa | 10 times per minute | 316L |
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FAQ
Answer : Please send your question or enquiry to our email: sales@hginstrument.com, we will forward the questions to the related engineer.
Answer : Please communicate with the sales about the return procedure before returning product.
Answer : The delivery time depends on the order quantity and product specification. If the product’s specification is conventional ( not special ), delivery time is 5 or 7 working days for order quantity ≤ 10 pieces; delivery time is 2 or 3 working weeks for order quantity 15 ~ 30 pieces.
Answer : by Courier, by Sea or by Air
Answer : Yes, Generally warranty is one year.
Answer : From year 2015 to year 2021, average annual sales is RMB 350 million ( about USD 54.7 million )