Foot Valve Truck

35140048490 Foot Valve Truck belongs to FOOT BRAKE VALVE.

Dynamic Brake Fluid Pressure Modulation

·Adaptive Pressure Damping: During emergency braking, the foot valve utilizes a spring-and-spool mechanism to progressively buffer hydraulic pressure from the master cylinder. This prevents sudden pressure spikes that could trigger excessive ABS intervention (especially on low-traction surfaces), improving pedal linearity.

·Pedal Feedback Tuning: By adjusting hydraulic feedback resistance, it fine-tunes driver pedal feel. In electronically assisted braking systems, the valve may interface with pressure sensors, allowing the ECU to simulate the "firmness" or "softness" of traditional vacuum boosters.

Redundancy & Fail-Safe Protection

·Dual-Circuit Isolation: In split hydraulic systems (e.g., front/rear axle independence), this valve can act as a mechanical distribution block. If one circuit fails, it automatically restricts leakage to preserve at least 50% braking force (meeting regulatory requirements).

·Leakage Lockout Mode: Upon detecting abnormal fluid loss (e.g., a ruptured line), certain designs trigger an internal cutoff mechanism, sealing the compromised circuit to prevent total hydraulic failure.

Environmental Durability Features

·Cold-Weather Reliability: Internal components (e.g., PTFE seals or coatings) resist brake fluid crystallization in subzero temperatures, preventing valve seizure.

·Corrosion-Resistant Flow Paths: High-end valves use nickel-alloy seats to withstand acidic degradation caused by moisture-absorbed brake fluid, ensuring long-term flow integrity.

Key Differentiators

·Unlike standard check valves, this OE-specific unit is typically a multi-port proportional valve, possibly with pilot-operated control. A small pilot pressure precisely regulates the main valve's opening, enabling finer hydraulic distribution.

Part number 35140048490 Foot Valve Truck corresponds to the foot valve used in the air brake system The valve uses compressed air as the working medium and reliably operates over extreme temperature ranges from -40°C to 80°C. With a rated maximum operating pressure of up to 10bar (1mpa), it provides consistent performance for commercial vehicle air brake applications, even under the most demanding conditions.

Q：Can I have your catalogue?

A：Please contact us for catalogue and more details.

Q：Has the factory passed the relevant quality certification?

A：Yes, we have ISO 9000 CERTIFICATE OF CONFORMITY OF QUALITY MANAGEMEN SYSTEM CERTIFICATION, SGS GOLD PLUS SUPPLIER ASSESSMENT CERTIFICATE and some UTILITY MODEL PATENT CERTIFICATES.

Q：How to obtain technical support when encountering problems during the use of accessories?

A：You can contact our technical support team through our customer service hotline, online chat, or email, and they will provide you with professional assistance and solutions.

Q：When was the factory set up?

A：The factory was established on August 5, 2011.

Q：What are your payment terms?

A：T/T, L/C, Western union, E-checking etc.