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Pneumatic Air Disc Brake For Industrial
The pneumatic air disc brake belongs to a kind of working transmission parts, and its work mainly depends on the air pressure.
Description
QPD, CQPD Series Pneumatic Air Disc Brake For Industrial
The pneumatic air disc brake belongs to a kind of working transmission parts, and its work mainly depends on the air pressure. Because of the air pressure used, pneumatic disc brakes are environmentally friendly, durable, and inexpensive to manufacture. The pneumatic brake is the axial thrust generated by the piston on the cylinder block, thus forming the torque transmission. Once the cylinder is depressurized, the spring pushes the piston back to its original position and the torque is lost. When a spring brake is used, the axial thrust required for the generated torque is generated by the spring, and the brake can be released by applying appropriate air pressure to the piston
Specifications/Technical parameters

Technical data and dimensions of QPD air disc brakes
Type | B | C | D | E | H | L | D2 | Braking impulse (N) | Release Pressure min (Mpa) | Weight (Kg) |
QPD-25.4B | 220 | 190 | ≥610 | 25.4 | 417.5 | RC3/8 | D-250 | 14150 | 0.5 | 61 |
QPD-25.4A | 299 | 280 | ≥610 | 25.4 | 462.5 | RC1/2 | D-250 | 32000 | 0.5 | 70 |
QPD-40B | 220 | 190 | ≥610 | 40 | 417.5 | RC3/8 | D-250 | 14150 | 0.5 | 61 |
QPD-40A | 299 | 280 | ≥610 | 40 | 462.5 | RC1/2 | D-250 | 32000 | 0.5 | 70 |
Technical data and dimensions of CQPD air disc brakes
Type | B | C | D | E | H | L | D2 | Compression ratio | Cylinder volume (d m³) | Max pressure | Weight (Kg) |
CQDP-25.4B | 220 | 190 | ≥610 | 25.4 | 417.5 | RC3/8 | D-250 | 2.82 | 0.7 | 0.7 | 57 |
CQPD-25.4A | 299 | 280 | ≥610 | 25.4 | 462.5 | RC1/2 | D-250 | 2.82 | 3 | 0.7 | 63 |
CQPD-40B | 220 | 190 | ≥610 | 40 | 417.5 | RC3/8 | D-250 | 2.82 | 0.7 | 0.7 | 57 |
CQPD-40A | 299 | 280 | ≥610 | 40 | 462.5 | RC1/2 | D-250 | 2.82 | 3 | 0.7 | 63 |
The safety of pneumatic brakes. No electrical sparks are produced, and it is safe and reliable because no electricity is used.

It can be widely used in processing industries such as working machinery, construction machinery, rolling mills, stranding machines, gantry cranes and cranes, papermaking machinery, etc.
FAQ
Q1. Are you a trading company or a manufacturer?
We are a professional industrial brake manufacturer with an experienced trading team.
Q2. What is your packaging product?
Carton or wooden box packaging. Products according to your needs
Q3. What is your delivery time?
Usually 7-14 days after receiving the deposit.
Q4. Do you test all shipments before delivery?
Yes, all products are 100% tested before delivery.
Please feel free to send us your detailed requirements, you would be satisfied with our service.
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