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Wabco 9347050140 Quadruple Circuit Protection Valve
Description
The
Wabco 9347050140 Quadruple Circuit Protection Valve is a critical component within air brake systems, designed to safeguard against pressure loss and ensure reliable braking performance in commercial vehicles. This valve is typically installed within the air supply line, protecting each circuit of the braking system. With dimensions of 115 x 140 x 210 mm, this device adheres to OE specifications and offers enhanced safety and reliability through its quadruple circuit protection, ensuring consistent and dependable braking functionality. It features M22 x 1.5 and M12 x 1.5 port threads, and operates with calculated volume of 3.381, along with varying pressures for charging, opening, and closing across its four circuits.
Key Features & Benefits
This valve essentially splits your braking system into four separate circuits – one for each wheel, generally. It takes the air pressure from your compressor and distributes it to the brake chambers at each wheel. But, and this is the key part, it also protects each circuit. If you spring a leak in one brake line – say, at a wheel cylinder or a brake hose – this valve is designed to isolate that leak. It prevents all the air from escaping from your entire system, which could leave you with little to no braking power. It's like having four independent mini – systems instead of one big one.
Think of it as a central control point for your air brakes. It sits in the air line, usually between the compressor and the first set of axles. All the air heading to your brakes has to go through this valve. It doesn’t apply the brakes, it just manages the air supply to the parts that do. You’ll find it on most heavier vehicles – anything needing a robust air brake system for safety.
Symptoms, Risks & Replacements
This is a major safety component. If this valve fails, you lose that circuit protection I was talking about. You'll notice if it’s going bad – usually by a noticeable drop in air pressure when you apply the brakes, or a slow leak somewhere in the system. It could even lead to the brakes locking up on one axle. It’s not something you want to gamble with. A failing valve means a potentially dangerous situation. We carry these at Fixparts Online, and getting a new one is a lot cheaper than dealing with the consequences of brake failure.
Warranty Information
Wabco Quadruple Circuit Protection Valve (MPN 9347050140) comes with a 1-year warranty.