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Product Details:
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| Model: | QYD | Operating Temperature: | -20~120℃ |
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| Protection: | IP33 | ||
| Highlight: | IP33 Low Pressure Controller,QYD Low Pressure Controller,250V High Pressure Controller |
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QYD differential pressure switch offers a unique blend of compact dimension, excellent performance, environmental protection, long working life mechanics, and design fexibility. The high resolution micro switch and sensitive diaphragms combine to provide a narrow deadband and high stability.A convenient, internal & safety lock accessible adjustment wheel is multi-turn to provide easy set point adjustability. Typical the switch applications include filter monitoring and proof-of-flow in wastewater, bioprocessing, food and beverage, HVAC, and gas processing industries.
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 |
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| 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 |
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Rated Amps(A) Rated Voltage(V) |
125V A.C |
250V A.C |
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| 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.
Contact Person: James
Tel: +86 13913010893
