Wabco 4700150720 Valve

Description

This Wabco valve is a critical component within trailer brake controls, specifically designed for air brake systems. It manages the flow of compressed air to actuate the trailer brakes, ensuring safe and reliable stopping power. This valve is an OE specification device, providing a direct replacement for factory-installed parts. Its robust design delivers consistent performance under demanding conditions, contributing to enhanced braking efficiency and overall safety. The dimensions of this valve are 112 x 135 x 225 mm. It features M16 x 1.5 port threads for connections 1 & 2, and M10 x 1 port threads for connections 41 & 42. It operates within a temperature range of -40°C to +80°C and supports a maximum operating pressure of 8.5/100.0 bar. This is a 2 Circuit valve with a calculated volume of 3.402, delivered pressure of 20.0 bar, a distance between bolts of 26 mm, and a distance between holes of 52 mm, featuring a flap exhaust.

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 4700150720) comes with a 1-year warranty.