301.01.0026 Unloader Valves
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301.01.0026 DAF Unloader Valves Compatible

301.01.0026

Summary

●Port 1: M22x1,5 ●Port 4: M12x1,5 ●Port 21: M22x1,5 ●Port 23: M12x1,5 ●Cut-Out Pressure: 9,8 BAR / 0,2 BAR ●Compatible with DAF and WABCO systems.

EAN Code8683457011113
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Description

This unloader valve is a critical component within the pneumatic brake system, designed to manage air pressure-related functions with high precision. Engineered for heavy commercial vehicle applications, it ensures stable pressure regulation for optimal braking performance and safety.

301.01.0026 is the OE-equivalent of the DAF 272493 and WABCO 975 303 083 0 unloader valves used in heavy-duty truck systems. This component is specifically engineered to meet the rigorous demands of DAF vehicles and compatible WABCO brake-suspension hardware, ensuring seamless integration and reliability during operation.

For workshop technicians and fleet managers, this part offers straightforward installation due to its standardized port configurations. The technical specifications include Port 1 (M22x1,5), Port 4 (M12x1,5), Port 21 (M22x1,5), and Port 23 (M12x1,5), with a designated cut-out pressure of 9,8 BAR / 0,2 BAR. Regular maintenance of the pneumatic system is recommended to prevent pressure fluctuations.

Maintaining consistent air pressure through high-strength components is essential for heavy-duty transport stability. This unloader valve provides a reliable solution for maintaining the integrity of the braking circuit in various heavy commercial vehicle environments.

Technical Specifications

Port 1M22x1,5
Port 4M12x1,5
Port 21M22x1,5
Port 22-
Port 23M12x1,5
Cut-Out Pressure9,8 BAR / 0,2 BAR
Inflation Valve-
Recycle Valve-

Other OEMs

DAF

  • 272493

WABCO

  • 975 303 083 0
  • 9753030830

Related Products

Repair Kits

Vehicles Used

BrandModelEngine
DAF
WABCO

FAQ

Which OEM numbers is this part compatible with?
This product is fully compatible with DAF 272493 and WABCO 975 303 083 0.
What are the technical port sizes for this valve?
The valve features Port 1: M22x1,5; Port 4: M12x1,5; Port 21: M22x1,5; and Port 23: M12x1,5.
What is the cut-out pressure for this unloader valve?
The operating cut-out pressure for this component is set at 9,8 BAR / 0,2 BAR.
Is this part suitable for heavy commercial vehicles?
Yes, it is designed specifically for heavy commercial vehicle brake systems such as those used by DAF.
Does this part work with WABCO systems?
Yes, it is an OE-equivalent part compatible with WABCO systems including code 975 303 083 0.