Our Services
- Thrust Washer
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- Tapered Roller Bearing / 125X70X41 (33214 Front Inner)
- Tapered Roller Bearing / 90X50X32 (33210 Front Outer)
- Wheel Mounting Bolt / HDT / M22 X 2.5 X 78
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- Rear Axle Shaft Short With Diff. Lock
- Wheel Mounting Bolt / HDT / M22 X 2.5 X 98
- Tapered Roller Bearing / 130X80X37 (33116 Rear Outer)
- Tapered Roller Bearing / 150X100X31 (33020 Rear Inner)
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- Brake Cylinder RH / Type 24/24/200MM/ RT1
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- Brake Cylinder RH / Type 20/24/72MM/IN/ RT2
- Four-Circuit Protection Valve / EG FU
- Quick Exhaust Valve – QRV (WABCO)
- Air Drier – KNORR
- AIR DRIER / WABCO
- Relay Valve - Delivery Plug-WABCO
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- Coolant Line
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Air Drier – KNORR
By delivering clean and dry air to brake components, suspension systems, and valves, the air drier prevents corrosion, freezing, and internal wear. KNORR’s advanced cartridge technology ensures reliable drying efficiency, stable pressure regulation, and extended service intervals. Its rugged construction withstands harsh temperatures, vibration, and demanding operating conditions.
By maintaining dry air throughout the system, the air drier enhances brake reliability, prolongs component life, and ensures consistent performance in all weather conditions.
Key Features
- KNORR high-efficiency air drier for commercial air-brake systems
- Removes moisture, oil, and impurities from compressed air
- Prevents corrosion, freezing, and valve malfunction
- Durable design with high-capacity desiccant cartridge
- Ensures consistent and safe air system operation
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 11.068 | 3128, 2523, 2528 | A4004310115 | Air Drier – KNORR – Air Treatment System |
Process Steps
- Depressurize the air system fully.
- Disconnect electrical and air line connections from the old drier.
- Remove the mounting bolts and take out the unit.
- Install the new KNORR air drier and secure it properly.
- Reconnect air lines and electrical harness.
- Pressurize the system and check for leaks and correct regeneration function.
FAQ
Why is an air drier important in air-brake systems?
It removes moisture and contaminants, preventing freezing, corrosion, and brake valve malfunction.
How often should the desiccant cartridge be replaced?
Typically every 1–2 years, depending on usage and environmental conditions.
