Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
| Payment Terms | T/T, Western Union |
| Supply Ability | 5000 pcs per month |
| Delivery Time | 3-5 working days |
| Packaging Details | Carton |
| Name | Differential Pressure switches |
| Warranty | 1 year |
| Customized support | OEM |
| Max. Current | 15A |
| Max. Voltage | 250V |
| Max. Working Pressure | 30 bar |
| Temperature | -40 ~+85℃ |
| Brand Name | Keram Controls |
| Model Number | QYD |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 5000 pcs per month |
| Delivery Time | 3-5 working days | Packaging Details | Carton |
| Name | Differential Pressure switches | Warranty | 1 year |
| Customized support | OEM | Max. Current | 15A |
| Max. Voltage | 250V | Max. Working Pressure | 30 bar |
| Temperature | -40 ~+85℃ | Brand Name | Keram Controls |
| Model Number | QYD | Certification | CE |
| Place of Origin | China | ||
| High Light | 15A Differential Pressure Switch For Air ，CE Differential Pressure Switch For Air ，250V differential pressure switch | ||
QYD Series DPS
Adjustable Differential Pressure Switches for Air Conditioning
QYD series differential pressure switch is designed to prove flow through pumps.
It can be used in fluorinated refrigerant, also in air and liquid (-20 to 120°C).
The renovated SPDT micro-switch ensure the reliable switch function and flexible mounting bracket suits various kinds of application.
| 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.
Company Details
Business Type:
Manufacturer
Year Established:
1998
Total Annual:
2000000-3000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Nanjing Qiyuan Controls & Equipment Co., Ltd. was found in 1998. In 2005, the number of the employees increased to more than 100. In 2006, its manufacturing base was moved to Huai An Industrial Development Zone. Keram Controls has obtained the investment from Keram Group in 2009. In ... Nanjing Qiyuan Controls & Equipment Co., Ltd. was found in 1998. In 2005, the number of the employees increased to more than 100. In 2006, its manufacturing base was moved to Huai An Industrial Development Zone. Keram Controls has obtained the investment from Keram Group in 2009. In ...
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