HomeProductsTrain & Rail UnitRgc-1 Load Sensing Valve Matching Mub Railway Air Brake Distributor
Rgc-1 Load Sensing Valve Matching Mub Railway Air Brake Distributor
Automatically adjusts braking force proportional to vehicle load
Load Sensing / Load-Proportional Adjustment Function
Compatible with MUB railway air brake distributor
Matching Distributor
Standard gauge freight wagons with air brake system
Applicable Rolling Stock

Rgc-1 Load Sensing Valve Matching Mub Railway Air Brake Distributor

The RGC-1 Load Sensing Valve is a load-sensing control component matched with the MUB railway air brake distributor. It senses the vehicle load in real time and adjusts brake cylinder pressure and braking force proportionally, so that both empty and loaded wagons achieve matched braking performance — preventing excessive braking on empty wagons (wheel tread damage) and insufficient braking on loaded wagons, improving braking safety and running stability of freight trains.

Specifications

ModelRGC-1
FunctionLoad Sensing / Load-Proportional Adjustment
Matching DistributorMUB Railway Air Brake Distributor
Applicable Track Gauge1435 mm (Standard Gauge)
Working MediumDry Compressed Air
Max Working Pressure650 kPa
Load Sensing ModeBy bogie spring deflection / load signal
Output Pressure RatioAdjustable by load (empty ~ low / loaded ~ high)
Response Time≤ 1 s
Valve Body MaterialDuctile Iron / Aluminum Alloy
Sealing MaterialNBR / O-Ring
Corrosion ProtectionAnti-corrosion surface treatment
Operating Ambient Temperature-40℃ ~ +60℃
Mounting MethodFlange / pipe connection
ApplicationStandard Gauge Freight Wagons

Key Features

Detect empty, partial and fully loaded status of wagon by measuring spring compression displacement via the contact rod;
Convert load condition into pneumatic control signal and transmit to MUD distributor valve, which infinitely adjusts brake cylinder pressure according to the signal;
Reduce brake cylinder pressure under empty load to prevent wheel skidding and tread damage; supply full braking pressure under full load to guarantee qualified braking distance;
Realize stepless automatic empty/load adjustment without manual switching, suitable for cross-border intermodal freight vehicles.

Product Description

The RGC-1 Load Sensing Valve is installed in the air braking system of standard gauge freight wagons and works in coordination with the MUB distributor. The distributor controls the charging and exhausting of the brake cylinder according to brake pipe pressure changes, while the RGC-1 valve senses bogie spring deflection or vehicle load signals and automatically regulates the pressure ratio delivered to the brake cylinder, realizing load-proportional control of "low braking force under empty load, high braking force under loaded conditions". Combined, they significantly improve braking consistency under different load conditions.
The valve body and internal parts are treated with anti-corrosion and wear-resistant processes, featuring reliable sealing and sensitive response, adapting to harsh environments including heavy dust, humidity, salt spray and extreme temperatures. With compact structure, stable operation and easy maintenance, this valve effectively shortens braking distance, reduces brake shoe uneven wear and wheel tread damage, and extends the service life of braking components. It is widely applicable to various standard gauge freight wagons including open-top, covered and tank wagons.

RGC-1 Load Sensing Valve

Rgc-1 Load Sensing Valve Matching Mub Railway Air Brake Distributor

Application Scope

For international standard railway freight wagons (open-top wagons, covered wagons, tank wagons) equipped with MUB air brake system, complying with UIC railway brake standards.


Matching Assembly

Forms complete empty/load automatic adjusting device together with suppressor disc, transmission touch plate, MUD distributor valve and pressure reducing auxiliary reservoir.

Rgc-1 Load Sensing Valve Matching Mub Railway Air Brake Distributor

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