Description
Product Overview
Part Name: 4-Circuit Protection Valve / Quadruple Protection Valve
Part Number: 9347144000
Vehicle Compatibility: MAN TGA, TGS, TGX and other compatible MAN heavy-duty truck pneumatic brake applications using WABCO valve 9347144000.
Configuration: Four-circuit pneumatic protection valve with individual controlled outlets for independent compressed-air circuits.
Function: Distributes and protects compressed-air supply across multiple pneumatic circuits while isolating a failed circuit to help retain pressure in unaffected circuits.
Technical Specifications
Type: Quadruple / 4-Circuit Protection Valve
Manufacturer: WABCO
Vehicle Make: MAN
Compatible Models: TGA / TGS / TGX
Maximum Operating Pressure: 13 bar
Charging Pressure: 3.5 bar
Opening Pressure: Approximately 6.9–7.0 bar depending on circuit
Dynamic Closing Pressure: 5.0 bar
Port Threads: M22 × 1.5
Temperature Range: -40°C to +90°C
System: Heavy-Duty Pneumatic Brake System
Application: Multi-Circuit Air Pressure Protection
MAN Cross-References: 81521516098 / 8151516095
Installation: Confirm the original valve number, port layout, opening-pressure specification and vehicle pneumatic-circuit configuration before installation.
Delivery & Availability
Stock Options: High-quality aftermarket & genuine WABCO 4-circuit protection valves available
MOQ: 1
Delivery Time: 3–7 days
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