Wabco 9750020170 Adapter Valve

Description

The Wabco 9750020170 Adapter Valve is a critical component within air brake systems, designed to regulate airflow and ensure optimal braking performance. It's typically used in heavy-duty vehicles and trailers where reliable air control is essential. This adapter valve features a break point of 4.1 bar, a calculated volume of 0.70936, and limited backflow up to 1.2 bar, with a maximum operating pressure of 10.0 bar. Its port connections include M16 x 1.5 threads, as well as a quick connection of M10 x 1. The 1:1 regulating ratio after the break point allows for precise and consistent air distribution, enhancing system responsiveness and overall safety. Its dimensions are 71 x 103 x 97 mm and it meets OE specifications.

Key Features & Benefits

This little guy basically manages the air pressure going into your air brake system. It takes the main system pressure and reduces it to a lower, more consistent pressure for specific components – things like the trailer supply line, or sometimes even the parking brake. It’s all about controlling and regulating airflow. Think of it as a tiny traffic controller for air. It often has a priority valve built in, meaning it’ll make sure the service brakes get enough air before sending any to the trailer, that’s important for safety. It sits within your air processing unit, usually right after the air compressor and before the main control valve. It’s a connection point, bridging the high – pressure side of things to the parts that need a gentler touch. You’ll generally find it on tractors and trailers, anything using air brakes, really. It’s not something you’d see directly, it’s tucked away inside that larger unit.

Symptoms, Risks & Replacements

If this valve fails, you can have problems with your trailer brakes not applying correctly, or even at all. You’ll notice if your trailer feels like it’s dragging, or if the parking brake won't hold properly. It’s a crucial safety component. It acts like a shield, protecting the more sensitive parts of your brake system from too much pressure. A faulty valve can lead to inconsistent braking, and that’s a serious issue. If you’re doing any kind of brake work, it’s a good idea to inspect this. You can find a replacement easily enough, places like Fixparts Online carry them. Don’t mess around with brakes, always make sure everything’s working as it should.

Warranty Information

Wabco Adapter Valve (MPN 9750020170) comes with a 1-year warranty.