Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
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QYD Waterproof Differential Pressure Switch
Waterproof Adjustable Differential Pressure Switches for Air Conditioning
QYD series differential pressure controls is designed to prove flow through pumps Renovated SPDT micro-switch ensure the reliable swith function Used in fluorinated refrigerant,but also in air and liquid(-20 to 120°C)
Flexible mounting bracket suits various kinds of application.
Various connections are available on request.
IP65 rating
CE approval
| Model | Differential (bar) | Factory setting (bar) | Max working pressure(bar) | |
| Min | Max | |||
| QYD2C(W) | 0.5 | 2 | 0.5 | 12 |
| QYD4C(W) | 0.5 | 3.5 | 1 | 12 |
| QYD4CH(W) | 0.5 | 3.5 | 1 | 30 |
| QYD6CH(W) | 1 | 6 | 6 | 30 |
| QYD4C/B(W) | 0.3 | 4 | 0.3 | 17 |
1. The new outer cover,two fifingers pinch both sides of the plastic lid,open the outer cover can be pumped out;
2. To be installed in the pipe,must use two wrenches and twist tight;
3. Do not install the controller over electric rating of the device.
1 Q: What's the delivery time?
A: According to the specification and quantity of your order, generally 4
days for normal standard products within 10pcs.
2 Q:Are you manufacturer or trading company?
A: We are manufacturer with many years of experience.We have our
own factory.Welcome to visit our factory.
3 Q: Can we use our logo on the products?
A: Yes.We can provide OEM service.
4 Q: Do you have products with ex-proof certificate?
A: Yes,we can offer intrinsic-safety and flame proof certificates.
5 Q: What is the warranty of your products?
A: Normal is 12 months.
6 Q: What's the means of transport?
A: Express such as TNT,Fedex,DHL,UPS, or logistics by indicator.