Wabco 4700151220 Valve

Description

This Wabco valve (MPN 4700151220) is a crucial component within trailer brake control systems, specifically designed for air brake applications. It regulates air flow to the trailer brakes, ensuring reliable and responsive braking performance. This 2 Circuit device adheres to OE specifications and operates effectively within a temperature range of -40°C to +80°C. Its dimensions are 108 x 130 x 240 mm, featuring M16 x 1.5 port threads for both ports 1 and 2, along with M10 x 1 threads for ports 41 and 42. With a maximum operating pressure of 8.5/50.0 bar and a delivered pressure of 60.0 bar, this valve offers enhanced durability and consistent performance, contributing to improved safety and operational efficiency.

Key Features & Benefits

This valve basically controls the flow of air to the trailer brakes. It's got a few jobs – it lets air in to apply the brakes, and then releases it when you want to stop braking. It also often includes a quick release function, meaning when you let off the brakes, the air dumps quickly, preventing drag and making sure the trailer doesn’t lock up. Some valves have manual control levers too, for emergency situations or parking. They can also act like a shield against pressure surges and help maintain consistent braking force. This sits right in your air brake line, connecting your truck’s air system to the trailer brakes. It's the middleman, taking the signal from your foot pedal and translating it into action at the trailer wheels. Without it, you wouldn't have any control over the trailer's braking – it would essentially be coasting along. It’s part of the whole system that lets you safely slow down and stop with a trailer attached.

Symptoms, Risks & Replacements

This is a safety component, plain and simple. If it fails, you lose braking ability on your trailer. You’ll notice if it's going bad because the trailer might not brake evenly, it could drag, or you might have trouble getting it to stop at all. It's something you really want to keep in good working order. A good place to find a replacement if you need one is Fixparts Online, they usually have a pretty good selection. Don’t mess around with this stuff – if you’re not comfortable working on air brakes, definitely take it to a professional.

Warranty Information

Wabco Valve (MPN 4700151220) comes with a 1-year warranty.