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303.02.0116 WABCO 4-circuit protection valve

303.02.0116

Summary

●Port 1: M22x1,5 Voss ●Port 21: M22x1,5 Voss ●Port 22: M22x1,5 Voss ●Port 23: M22x1,5 Voss ●Port 24: M22x1,5 Voss ●Opening Pressure 21: 6,7 BAR ●Opening Pressure 22: 6,6 BAR ●Opening Pressure 23: 5,8 BAR ●Opening Pressure 24: 5,8 BAR ●Closing Pressure 21: 5,2 BAR ●Closing Pressure 22: 5,1 BAR ●Closing Pressure 23: 4,8 BAR ●Closing Pressure 24: 4,8 BAR

EAN Code8683457044272
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Description

This specialized pneumatic component functions as a critical safety element within the braking system of heavy commercial vehicles. It manages air pressure distribution across multiple circuits to ensure reliable braking performance under various operating conditions. Designed with high-strength components, it provides stable pressure regulation to maintain system integrity.

303.02.0116 is the OE-equivalent of the WABCO 934 714 404 0 4-circuit protection valve used in WABCO systems. This component is engineered to meet strict technical standards for pressure modulation and circuit isolation, ensuring it functions correctly within complex pneumatic architectures.

For workshop technicians and fleet managers, this part offers precise pressure control with specific opening and closing thresholds. The integration of M22x1,5 Voss ports ensures a secure and standardized connection for reliable assembly in heavy-duty braking environments. Regular inspection of the valve's pressure response is recommended to maintain optimal safety standards during routine maintenance.

Technical Specifications

Opening Pressure 216,7 BAR
Opening Pressure 226,6 BAR
Opening Pressure 235,8 BAR
Opening Pressure 245,8 BAR
Closing Pressure 215,2 BAR
Closing Pressure 225,1 BAR
Closing Pressure 234,8 BAR
Closing Pressure 244,8 BAR
Port 1M22x1,5 Voss
Port 22M22x1,5 Voss
Port 23M22x1,5 Voss
Port 24M22x1,5 Voss
Port 21M22x1,5 Voss

Other OEMs

WABCO

  • 934 714 404 0
  • 9347144040

Related Products

Vehicles Used

BrandModelEngine
WABCO

FAQ

What are the technical specifications for the ports on this valve?
The unit features five ports (Port 1, 21, 22, 23, and 24) all utilizing an M22x1,5 Voss connection for secure assembly.
Which OEM codes is this part compatible with?
This product is a direct replacement for the WABCO 934 714 404 0 reference.
What are the specific opening pressures for this component?
The opening pressures are set at: Port 21 (6,7 BAR), Port 22 (6,6 BAR), Port 23 (5,8 BAR), and Port 24 (5,8 BAR).
What is the closing pressure range for this protection valve?
The closing pressures are: Port 21 (5,2 BAR), Port 22 (5,1 BAR), Port 23 (4,8 BAR), and Port 24 (4,8 BAR).
Is this part suitable for heavy commercial vehicle braking systems?
Yes, it is specifically designed for heavy commercial vehicle brake systems requiring high-strength pneumatic regulation.