70T General Purpose Flat Wagon 1435mm Standard Gauge Railway 17M Long

Category： Railway Flat Wagon
Model: NX70
Pay Load: 70 tons
Application: transport wood, rails, equipment, container, etc by railway
Rail gauge: 1435mm
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70T General Purpose Flat Wagon 1435mm Standard Gauge Railway 17M Long

1. Application

This 70T pay load general purpose flat wagon is suitable for operation on 1435mm gauge railway lines and is used for transport: logs, sleeper rows, steel, cars, tractors, packaged goods, containers and large concrete bridges. By movable side end plates, It could also transport sand and ores.

2. Main structures

NX70 flat wagon mainly consists of a chassis, air brake device, hand brake device, coupler buffer device, bogie, and other parts.

Chassis

The chassis is a full steel welded structure, mainly welded by the middle beam, side beam, end beam, bolster beam, large cross beam, auxiliary beam, etc. The main structural beam material is Q345NQR2 weathering steel that complies with TB/T 1979 and the other main plates are Q450NQR1 steel that complies with TB/T 1979.

Floor

The under frame is paved with 8mm thickness anti-slip pattern steel plate.

Air brake device

Railway air brake device’s main pipe pressure complies with 500kPa and 600kPa. It mainly consists of a 120 type control valve, an integral spinning sealed brake cylinder with a diameter of 356mm, an ST2-250 type bidirectional slack adjuster, and a KZW-A type empty and load vehicle automatic adjustment device.

Hand brake machine

It adopts Chinese NSW hand brake machine, whose hand wheel diameter 400mm, brake ratio is 27. The mounting height could be adjust according to customer requirements.

Coupler & buffer

Adopt lower acting No. 17 coupler , the supporting coupler yoke and ST-2 buffer.

Bogie

The bogie adopts K6 type cast steel three piece wagon bogie with a 23.5t axle load. The bolster and side frame are made of B-grade steel with a wide guide frame structure for the side. There is a cross support device between the two side frames. The bolster spring is of two-level rigidity.

3. Main technical parameters:

Pay load	70 tons
Application	Transport timber, rails, containers, equipment by railroad
Tare weight	24 t
Axle load	23.5 t
Gauge	1435 mm
Wheel diameter	840 mm
Number of axles	4
Bogie type	K6 Ride control casting bogie
Coupler type	No.17 coupler
Length	16366 mm
Min radius	145 m
Brake type	Air brake +park hand brake
Design speed	120km/h
Limit gauge	Customized