Wabco 4722600050 Proportional Valve

Description

The Wabco 4722600050 is a proportional valve used within air brake systems, specifically as a protection valve. It's designed to precisely control air flow, ensuring optimal braking performance and system protection. This device features a nominal diameter of 8.0 mm and port threads of M22 x 1.5 JED-152, Ø 15 mm, and Ø 15 mm. Its robust construction, with dimensions of 71 x 111 x 202 mm, and IP 67 / IP 6K9K protection class, guarantees reliability in demanding environments. This proportional valve offers precise control, enhanced system protection, and operational longevity, meeting OE specifications for consistent performance across a temperature range of -15°C to +110°C and operating at 24 V.

Key Features & Benefits

These valves basically control air pressure in your braking system, but in a really refined way. It doesn’t just blast air—it modulates it, meaning it adjusts the air pressure going to the brakes based on how hard you’re pressing the pedal. It takes that signal from your brake pedal and translates it into a proportional amount of air pressure. Some also handle things like trailer brake application – basically distributing the braking force properly. Think of it as the brain between your brake pedal and your actual brakes, especially in systems with air brakes. It’s part of the air brake system and works alongside other components like the air compressor, reservoir, and brake chambers. It’s often found on vehicles towing trailers or heavy loads where precise brake control is essential. It ensures a smooth, controlled stop.

Symptoms, Risks & Replacements

Without one of these working correctly, you’ll notice if your brakes feel spongy, or if they lock up too easily, or don't apply evenly. It’s about safety, plain and simple. A faulty proportional valve can cause uneven braking, pulling to one side, or even complete brake failure. It acts like a shield against those kinds of issues, helping maintain consistent stopping power. You can find a good selection of these over at Fixparts Online, if you’re looking to replace one. Getting the right one will make a big difference in how your vehicle performs.

Warranty Information

Wabco Proportional Valve (MPN 4722600050) comes with a 1-year warranty.