AE 4421 4-circuit protection valve

For those looking for durability and long life in spare part selection, the VADEN ORIGINAL 303.02.0069 product is the right choice. This part, which belongs to the 4-circuit protection valve group, is manufactured to be compatible with KNORR-BREMSE (AE4421) brands. Thanks to its durable structure, it can be used safely for a long time and reduces maintenance costs. As VADEN ORIGINAL, we offer more than 11569 products in 15 different categories. Solutions for different systems like Air Brake Compressors, Air Disc Brake Caliper, Brake System, Cabin, Chassis, Clutch, Cooling System, Electric System, Engine, Exhaust System, Fuel System, Gearbox, Steering, Suspension, Wheel Hub are included in our product range.

AE 4421 4-circuit protection valve - Frequently Asked Questions (FAQ)

Which OEM codes is AE 4421 4-circuit protection valve compatible with?

This product is fully compatible with the following OEM codes:

• KNORR-BREMSE
  • AE 4421
• All Detail

Which vehicles is AE 4421 4-circuit protection valve used for?

The following vehicle models are compatible with this 4-circuit protection valve:

• AE4421 KNORR-BREMSE 4-circuit protection valve
• AE 4421 4-circuit protection valve
• Other Detail

What are the technical specifications of AE 4421 4-circuit protection valve?

The main technical specifications of this 4-circuit protection valve are as follows:

●Port 1: M22x1,5 ●Port 12: M16x1,5 ●Port 21: M16x1,5 ●Port 22: M16x1,5 ●Port 11: M16x1,5 ●Port 23: M16x1,5 ●Port 24: M16x1,5 ●Pressure: MAX 20 BAR ●Opening Pressure 21: 7,6 BAR ●Opening Pressure 22: 7,6 BAR ●Opening Pressure 23: 6,7 BAR ●Opening Pressure 24: 6,7 BAR ●Closing Pressure 21: 4,3 BAR ●Closing Pressure 22: 4,3 BAR ●Closing Pressure 23: 5,5 BAR ●Closing Pressure 24: 5,5 BAR