---
title: "XMU - Brakes - Air supply"
canonical: "/xmu-brakes/air-supply"
published: 2026-10-09
---

# XMU - Brakes - Air supply

## Frame

## Frame

**Rail**

**XMU**

**Brakes**

**Air supply**

**Brake control**

**Bogie brake**

**Sanding**

**Friction**

## Frame

### Buran CSS

###### AIR GENERATION AND TREATMENT

##### Buran CSS

**Images**

##### A Compressor for all Operative Conditions

##### Compressed air is essential for train braking systems — and how it's delivered makes all the difference

##### WT’s Oil-Free Buran CSS piston compressor range offers a versatile portfolio of machines, each engineered to meet specific operational demands. They ensure consistent performance across all conditions.

##### What sets Buran CSS apart? It delivers 100% clean, oil-free air, a critical advantage in enclosed urban environments where air quality and passenger safety are non-negotiable. Buran CSS works in all environment and duty cycle conditions.

##### With no oil contamination and no parts replacement before overhaul, it ensures maximum uptime and minimal maintenance. Ideal for both XMU and HST, Buran fits seamlessly underfloor or on the roof.

**Customer benefits**

### MISTRAL EVO

###### AIR GENERATION AND TREATMENT

##### MISTRAL EVO

**Images**

##### The low maintenance air dryer solution

##### Air treatment devices are essential for braking systems on trains because they ensure the compressed air used is free from moisture and contaminants.

##### Moisture in the air pipes can lead to corrosion, freezing in cold conditions, and reduced efficiency or failures — especially critical in high-frequency stop-and-go operations.

##### Mistral EVO air dryer offers the best air quality to help maintain consistent braking performance, extend the lifespan of system components, and enhance overall safety and reliability in urban rail environments.

##### It includes a fast fill up function to reduce train preparation and can integrate sensors for condition base maintenance(CBM).

**Customer benefits**

### INVERTER

###### AIR GENERATION AND TREATMENT

##### INVERTER

**Datasheet**

##### Smart Solution for Air Supply

##### Modern networks demand efficient trains that operate quietly and efficiently — even in sensitive environments like stations or during nighttime service.

##### WT’s integrated air supply solutions with inverter are designed to meet these evolving needs, offering smart control and multifunctional management for optimized performance.

Key benefits include:

- High-Flow Mode: Faster train charging with downsized compressors.
- Silent Mode: Low noise emissions for quiet operation in critical locations and time slots.
- Soft Start Function: Improved energy efficiency and smoother power management.
- Pantograph Mode: Lightweight design with no need for auxiliary compressors.
- Integrated health Monitoring: Enables predictive maintenance and system reliability.

##### These advanced features make WT’s inverter-based air supply systems the ideal choice for networks focused on performance, sustainability, and passenger comfort.

**Customer benefits**

### AIR DRYER

###### AIR GENERATION AND TREATMENT

##### GW 995 Air dryer

##### Cost effective & proven technology

##### Air treatment devices are essential for braking systems on trains because they ensure the compressed air used is free from moisture and contaminants.

##### Moisture in the air pipes can lead to corrosion, freezing in cold conditions, and reduced efficiency or failures — especially critical in high-frequency stop-and-go metro operations.

Graham White995 air dryer offers the best air quality to help maintain consistent braking performance, extend the lifespan of system components, and enhance overall safety and reliability in urban rail environments.

**Customer benefits**

**Buran CSS**

**Mistral EVO**

**GW 995 Air dryer**

**Inverter for air supply**

## Frame