Wabco 9750010020 Adjusting Valve

Description

The Wabco 9750010020 is an Adjusting Valve used within air brake systems to regulate air pressure. It’s designed for use in commercial vehicles and trailers, ensuring optimal braking performance. This device features a break point of 2.3 bar, a calculated volume of 0.888894, and a range of adjustment from 0.3 to 1.6 bar. It maintains a regulating ratio of 1:1 after the break point, while operating effectively within a temperature range of -40°C to +80°C. The valve’s dimensions are 81 x 93 x 118 mm, with a distance between bolts of 38 mm and mounting via 2x Ø 9.5 mm connections. It features port threads of M22 x 1.5 and 3x M22 x 1.5 (1x closed), and a wrench size of 32.0 mm. This valve is manufactured to OE specification, guaranteeing reliable performance and durability.

Key Features & Benefits

This valve basically controls the air pressure going to your vehicle’s air dryer. It takes the air coming from the engine and regulates how much gets to that dryer, making sure it works right. It has a few jobs – it manages the pressure, helps maintain the right amount of moisture control, and also allows the system to bleed off excess pressure when needed. It's a pretty simple part, mechanically, but crucial to the whole air system. It lives inside your air processing unit, which is a central hub for cleaning and regulating the air that powers your brakes – mostly on bigger vehicles, trucks and buses. Think of it like a gatekeeper for clean, dry air. It gets air straight from the engine and makes sure only the right amount, at the right pressure, reaches the dryer, and eventually, your brakes.

Symptoms, Risks & Replacements

If this valve fails, your air dryer won’t function correctly. That means moisture builds up in the air system. Now, moisture in brake lines isn’t good – it can cause corrosion, freeze in cold weather, and really mess with your braking performance. It's like having a shield that’s cracked – it still acts like a shield, but it’s not doing the job as effectively. You’ll notice if this is going bad because you might start seeing water coming out of the air dryer’s drain – or you could have issues with your brakes feeling spongy. You can find these at places like Fixparts Online, and getting a new one is usually pretty straightforward. Replacing it keeps your air brakes working reliably, and that's obviously super important.

Warranty Information

Wabco Adjusting Valve (MPN 9750010020) comes with a 1-year warranty.