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Crafted for Class 7–8 long-haul prime movers, intermodal container chassis, drop-deck trailers, and vocational platforms operating 410 x 180mm foundation drum configurations, these Brake Linings WVA 19931 provide a complete wheel-end friction overhaul pack. Precision-molded to match 19931 foundation shoe geometries, this low-metallic non-asbestos friction block set delivers balanced pneumatic braking torque, strong thermal fade resistance, and uniform drum wear across demanding line-haul duty cycles.
Maintaining predictable stopping distance, smooth directional control, and strict compliance with fleet safety standards under high gross axle weights requires wheel-end friction materials capable of enduring sustained mechanical and thermal fatigue. Severe stop-and-go regional hauling, dense terminal drayage, and extended downhill grade retarding generate extreme drum temperatures, where lower-tier friction segments suffer accelerated thickness decay, friction glazing, and aggressive drum scoring.Our Brake Linings WVA 19931 deliver genuine OE-grade dimensional tolerances and heavy-duty structural reliability for professional fleet overhaul programs.
High-Density Non-Asbestos Friction Compound
Formulated with an advanced low-metallic, non-asbestos composite, each 19931 friction segment undergoes high-pressure hydraulic molding followed by controlled thermal oven post-curing. This resilient compound maintains an optimal, stable friction coefficient across working temperatures up to 750°F (400°C), eliminating brake fade during prolonged deceleration and emergency stopping maneuvers.
Precision Hole Pattern & Drum-Friendly Wear Profile
Every lining block is manufactured with factory-drilled, chamfered rivet holes that align accurately with standard 410 x 180mm commercial brake shoe steel skeletons. This ensures maximum mechanical shear resistance and vibration stability under severe braking torque spikes. The smooth friction matrix encourages uniform contact across commercial brake drums, significantly mitigating localized hot spots, drum grooving, and edge taper wear.
Key Features & Specifications
Target Foundation Fitment: Purpose-built for commercial trailers and trucks running standard WVA 19931 profile foundation brake shoes on 410 x 180mm drum assemblies.
Commercial Fleet Safety Formulation: Low-metallic non-asbestos compound provides short stopping distances, low dust output, and dependable thermal stability under maximum gross axle loads.
High Thermal Fade Resistance: Thermally cured to operate continuously under heavy duty cycles with consistent friction levels up to 750°F (400°C).
Precision Rivet Alignment: CNC-machined rivet hole positions guarantee effortless mechanical fastening and maximum shear load integrity on shoe tables.
Extended Drum & Lining Life: Smooth, balanced friction matrix minimizes drum micro-grooving, heat cracking, and uneven shoe taper wear.
Frequently Asked Questions (FAQ)
Q1: Which vehicle types and axle configurations use these Brake Linings WVA 19931?
A: These friction blocks are engineered for commercial trucks, heavy flatbeds, lowboys, and container chassis equipped with 410 x 180mm foundation drum brakes.
Q2: What is the primary dimensional specification for the WVA 19931 lining profile?
A: The WVA 19931 profile is specifically engineered for 410mm diameter commercial brake drums utilizing 180mm wide brake shoe tables (410 x 180mm).
Q3: Are the rivet holes factory pre-drilled in the lining blocks?
A: Yes. All 19931 lining segments arrive precision-drilled and counterbored to match industry standard rivet layouts for immediate mechanical fastening onto bare steel shoe cores.
Q4: How do these linings perform under sustained downhill braking and high-temperature conditions?
A: The friction material undergoes a specialized thermal post-curing process to prevent glazing and brake fade, ensuring rapid heat dissipation and reliable torque recovery under heavy braking cycles.
Q5: Can you provide customized packaging, edge-code stamping, and palletized bulk shipping?
A: Yes. As a direct manufacturing source, we provide custom part-number edge printing, private-brand packaging boxes, and export-grade pallet packaging tailored for commercial parts distributors and fleet suppliers.
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