Wabco 4733030000 Pressure Reducing Valve

Description

The Wabco 4733030000 Pressure Reducing Valve is a critical component in air brake systems, ensuring consistent and safe braking performance in commercial vehicles. This valve is used to reduce high system pressure to a lower, regulated pressure for specific circuits, such as the trailer supply line. It maintains a stable downstream pressure even with fluctuations in the primary air supply. With dimensions of 96 x 118 x 137 mm, this OE specification device offers precise pressure regulation, contributing to enhanced brake system reliability and safety. It features a regulating ratio of 02:01, a maximum operating pressure of 10.2 bar, and is designed for operation within a temperature range of -40°C to +80°C.

Key Features & Benefits

This valve basically takes the high – pressure air from your compressor and lowers it to a safe, usable level for things like your spring brakes and the air suspension – if your vehicle has that. It’s got a couple of different circuits. One circuit handles the supply pressure, and then it steps that down to a lower pressure for those other systems. It controls how much air goes where, essentially. Think of it as a key component in your air brake system. The compressor builds up a lot of pressure to run everything, but you don't want that much pressure constantly hitting your spring brakes, or you’d blow them out quickly. This valve is in the air processing unit, handling that conversion, making sure everything gets the right amount of air to work properly. It’s often positioned between the air compressor and the air tanks.

Symptoms, Risks & Replacements

Without this working correctly, you’re risking damage to your spring brakes, and a whole lot of other headaches. You’ll notice if it’s failing because your spring brakes might not fully release, or they could be slow to apply. Basically, it’s a safety item. If your brakes aren’t working as they should, that's serious. It also protects the other parts of the air system from being overstressed. It really acts like a shield for them. You can find these pretty readily; we stock a good selection at Fixparts Online, but any reputable truck parts supplier should carry them. It's one of those things you don't really think about until it goes bad, but it’s vital for keeping you safe on the road.

Warranty Information

Wabco Pressure Reducing Valve (MPN 4733030000) comes with a 1-year warranty.