| One-man venting | Non-return valve prevents backflow, venting is much more relaxed and faster |
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| Clean | Less brake fluid on the caliper, controlled drainage via hose |
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| Easy to service | Open valve, bleed completely and close valve, without constant "opening and closing" of the standard screw |
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| Reusable | Suitable for regular servicing, e.g. after conversions or track use |
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| Protective cap | The optional cap protects the valve and connection from dirt and splash water |
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Brake bleeder valve -stahlbus- for hydraulic brake systems
The stahlbus brake ble eder valve replaces the classic bleed screw and makes brake fluid servicing much easier: an integrated non-return valve prevents air or brake fluid from getting back into the brake calliper during pumping. This allows the system to be bled cleanly, quickly and in a controlled manner - even without a second person.
Integrated non-return valve
One-man bleeding possible
Easy to service
Protective cap optionally available in different colors
What makes the stahlbus valve different?
With conventional bleed screws, you have to constantly open, pump and close - and work very cleanly so that no air is drawn back. The stahlbus system uses a non-return valve that prevents backflow. In practice, this means controlled venting, less mess and reproducible results.
Non-return valve prevents backflow of air and brake fluid.
Bleeding via hose possible - clean drainage, less risk to paintwork and components.
Practical for frequent servicing: conversions, new lines, new brake callipers, regular maintenance.
Compatibility
The valve is suitable for hydraulic brake systems. The thread size of the original bleed screw on the brake calliper/caliper (or brake pump/ master cylinder, depending on the system) is decisive. Please check the thread size before purchasing.
Fitting instructions
Before fitting, clean the area around the brake calliper to prevent dirt getting into the duct.
Remove old bleed screw, check sealing cone seat (no damage).
Screw in stahlbus valve hand-tight, then tighten according to manufacturer's instructions.
To bleed, attach the hose and collect the brake fluid properly.
Do not use sealing tape on the sealing cone - sealing takes place via the seat surface.
Brake fluid is damaging to paintwork: Cover, wipe off immediately, then rinse with water.
Key technical data
| The system | Bleeder valve with non-return valve |
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| Application | Hydraulic brake (brake calliper or master cylinder, depending on the system) |
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| Thread | Depending on version (please select to match the vehicle) |
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Scope of delivery
| Set contains | 1x stahlbus brake bleeder valve |
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FAQ: stahlbus brake bleeder valve
Frequently asked questions
Do I need a second person to bleed the brakes?
Not in many cases. The non-return valve prevents backflow, making one-man bleeding much easier in practice.
Which fluids can be used?
Commercially available brake fluids such as DOT 3, DOT 4 and DOT 5.1 can be used.
Does the valve fit every brake calliper?
The thread size of the original bleed screw is decisive. Please check the thread specification in advance and select the appropriate stahlbus variant.
Do I have to use sealing tape or sealant?
No, never use additional sealant. Sealing takes place via the sealing cone of the screw and the seat in the component. Sealing tape can impair the function.
Why is this useful for conversions or frequent servicing?
After opening the system (lines, brake pump, caliper, conversions), the air must be bled. With a non-return valve, this is more controlled, quicker and cleaner.
What do I have to check after bleeding?
Check the lever travel and pressure point, check for leaks and carry out a test ride with a careful brake test.
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