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Spring Applied Air Release Brake
QPL, CQPL Series Spring Applied Air Release Brake Pneumatically applied spring released. The control creates a breaking effect by sucking in air. Specifications/Technical parameters Technical data and dimensions of QPL air disc brakes Features of spring applied air release brake: Compact...
Description
QPL, CQPL Series Spring Applied Air Release Brake
| Type | Disc brake |
| Operation | Pneumatic |
| Applicable disc diameter: | ØD≥300mm |
| Model | QPL, CQPL |
Pneumatically applied spring released. The control creates a breaking effect by sucking in air.
Specifications/Technical parameters

Technical data and dimensions of QPL air disc brakes
Type | A | B | C | D | E | F | L | d2 | Braking impulse (N) | Release Pressure min (Mpa) | Weight (Kg) |
QPL-12.7C | 161.5 | 141 | 264 | ≥300 | 12.7 | 72.5 | RC1/4 | D-110 | 3000 | 0.5 | 12 |
QPL-12.7B | 189 | 176 | 281.5 | ≥300 | 12.7 | 72.5 | RC1/4 | D-110 | 5500 | 0.5 | 13 |
QPL-12.7A | 194 | 190 | 288.5 | ≥300 | 12.7 | 72.5 | RC3/8 | D-110 | 10400 | 0.5 | 15.1 |
QPL-25.4C | 162 | 141 | 265.5 | ≥300 | 25.4 | 72 | RC1/4 | D-110 | 3000 | 0.5 | 12 |
QPL-25.4B | 189.5 | 176 | 283 | ≥300 | 25.4 | 72 | RC1/4 | D-110 | 5500 | 0.5 | 13 |
QPL-25.4A | 194.5 | 190 | 290 | ≥300 | 25.4 | 72 | RC3/8 | D-110 | 10400 | 0.5 | 15.1 |
Features of spring applied air release brake:
Compact structure, small size and light weight. It is easy to control and operate.
Normally closed type: spring brake, pneumatic release (brake opening);
Normally open, the air pressure is applied to the spring to open, and the braking force can be adjusted by changing the air pressure.
Pneumatic actuators are manufactured in Zhongyuan Brake with high reliability and quality.
The inner lining is cartridge type and does not contain asbestos. It can be easily replaced.

FAQ:
1. How do you contact us?
Please contact us via email, Skype, Whatsapp.
2. How do you place an order with us?
You can let us know your detailed requirements and we can design the best solution for you; if you have detailed engineer drawings, please feel free to send them to us.
3. What is the MOQ of our company?
We have no MOQ.
4. What is the delivery time of your products
It usually takes 7-15 days, and the exact delivery time needs to be confirmed according to your specific needs.
5. What are your trade terms?
Usually we accept EXW, FOB, CIF, etc., you can choose the best way you want.
Please feel free to send us your detailed requirements, you would be satisfied with our service.
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