Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Add to Cart
QYD Series Differential Pressure Switches For Measure The Flow Through The Pump
QYD series differential pressure controls is designed to prove flow through pumps
Renovated SPDT micro-switch ensure the reliable switch function
Used in fluoridated 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
IP33 rating
CE approval
| Model | Differential(Bar) | Factory Setting | Max Working pressure | |
| Min | Max | |||
| QYD2C | 0.5 | 2 | 0.5 | 12 |
| QYD4C | 0.5 | 3.5 | 1 | 12 |
| QYD4CH | 0.5 | 3.5 | 1 | 30 |
| QYD6CH | 1 | 6 | 6 | 30 |
| QYD4C/B | 0.3 | 4 | 0.3 | 17 |
| Rated Amps(A) Rated Voltage(V) | 125V A.C | 250V A.C | |
| Non-Inductive Current | 20A | 10A | |
| Inductive Current | Full Load | 15A | 8A |
| Locked Roter | 72A | ||
| 1 | Common Terminal |
| 2 | Close on Pressure Increase |
| 3 | Close on Pressure Decrease |
l Operating direction on press Increase at High Press. Side
Operating Instruction
1. The new outer cover,two fingers 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.