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Case Tractor Unlooader Valve 84440618
In trucks, buses, and tractors equipped with air brake systems, the mechanism that prevents the air compressor from continuously generating pressure and protects the system from excessive pressure is called the Unloader Valve. When the system reaches the target pressure (usually between 8-12 bar), this valve activates and discharges the air produced by the compressor.
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Brand: WABCO, Faborex
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Calculated Volume (dm³):1.1484
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Cut-out pressure:8.5 bar
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Max. operating pressure:25.0 bar
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Mounting:2x Ø 8.8 mm
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Opening pressure:12.0 bar
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Operational range:0.7+0.5 bar
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Port thread 1:M22 x 1.5
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Port thread 21:M22 x 1.5
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Port thread 22:M12 x 1.5
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Port thread 23:M12 x 1.5
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Port thread 3:Union Ø 20 mm
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Temperature range:-40°C to +80°C
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Type:With one way valve
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Version: Without tire inflating valve
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Size (mm x mm x mm):110 x 174 x 60
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Weight (kg):0.642
€50,00 -
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Air Over Hydraulic Iveco 4817617
1. What is an Air Over Hydraulic Booster?
The Air Over Hydraulic (AOH) system is a mechanism that uses air pressure to generate hydraulic pressure. It is preferred in trucks, buses, and construction machinery where traditional fully air-operated brakes are not suitable or where hydraulic braking precision is required. The booster (boosting unit) multiplies the driver’s pedal force using air power and transmits it to the hydraulic main unit.
Technical Specifications
Hydraulic Fluid: DOT 4
Air Brake Chamber Type: Type 24
Maximum Air Pressure: 7.5 Bar
Piston Diameter: 33.34 mm€750,00Air Over Hydraulic Iveco 4817617
€750,00
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