This page explains how Brake Master Cylinder is classified within Motor Vehicle Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A brake master cylinder is a critical component in hydraulic braking systems. It converts mechanical force from the brake pedal into hydraulic pressure, which is then distributed to the wheel cylinders or calipers to apply braking force.
Technical details and manufacturing context for Brake Master Cylinder
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Bore Diameter | 20.64–31.75 mm | Determines fluid volume and pedal forceISO 4926 |
| Stroke | 25–50 mm | Affects fluid displacement and pedal travel |
| Burst Pressure | ≥20 MPa | Safety margin over max operating pressureISO 4926 |
| Operating Temperature | -40–85 °C | Seal materials degrade outside this rangeISO 4926 |
| Leakage Rate | ≤0.5 cm³/min | Excessive leakage causes pedal fadeISO 4926 |
| Reservoir Capacity | 0.2–0.5 L | Must cover brake pad wear and fluid expansion |
| Weight | 0.8–1.5 kg | Affects vehicle unsprung mass |
| Material | ADC12 | Aluminum alloy for corrosion resistanceJIS H5302 |
| Surface Treatment | Anodized | Enhances wear and corrosion resistanceMIL-A-8625 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| pressure: | Up to 200 bar (2900 psi) |
| other spec: | Fluid viscosity range: 1-15 cSt at 40°C |
| temperature: | -40°C to 120°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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It converts mechanical force from the brake pedal into hydraulic pressure, which is distributed to the wheel brakes to apply braking force.
Aluminum alloy, cast iron, and steel are typical materials, with surface treatments like anodizing for corrosion resistance.
Bore diameter, stroke, operating pressure, burst pressure, operating temperature, leakage rate, reservoir capacity, and weight. These must be confirmed for the specific application.
Excessive pedal travel, low brake fluid level, or visible leaks may indicate seal degradation or internal wear, requiring inspection or replacement.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.
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