DT
Dongtu Hydraulic
Industrial Hydraulic Solutions

Metallurgy & Metal Forming Cylinders

High-temperature hydraulic cylinders for continuous casting machines, ring rolling mills, forging presses and heavy metallurgical equipment. Built for reliable performance in extreme industrial environments.

Metallurgy & Metal Forming2 series
9 product photos
Continuous Casting Machine Hydraulic Cylinders

Continuous Casting Machine Hydraulic Cylinders

Ultra-long internal guide hydraulic cylinders for aluminum continuous casting machines. Diameter 80-380mm, length up to 13 meters, with precision machining straightness of 0.02mm/m.

Diameter:80-380mmMax Length:13 metersStraightness:0.02mm/mApplication:Casting Machines

Key Features

Ultra-long stroke design for aluminum billet negative pressure casting systems
Precision internal guide structure ensuring stable linear motion
Advanced sealing system for high-temperature molten metal environments
Ni/Cr electroplating and laser cladding surface treatment options
Full-stroke load testing before delivery
Custom diameter and stroke according to casting machine specifications

Product Photos

Internal Guide Cylinder

Internal Guide Cylinder

Casting Process

Casting Process

Rod Machining

Rod Machining

Laser Cladding

Laser Cladding

Load Testing

Load Testing

Ring Rolling Mill Hydraulic Cylinders

Ring Rolling Mill Hydraulic Cylinders

Heavy-duty cylinders for the world's largest ring rolling mills. 22-meter and 15-meter mill configurations with dual-stage buffering and synchronized guide structures for micron-level precision.

Mill Size:15-22 metersPressure:up to 35MPaPrecision:Micron-levelDesign:Dual-Stage Buffer

Key Features

Dual-stage buffering + synchronized guide structure for ultra-precision
Reinforced cylinder body designed for extreme rolling forces
Fire-resistant hydraulic fluid compatible seals
Position sensors and real-time feedback integration
Special high-temperature seal materials for hot rolling environments
Third-party inspection and certification available

Product Photos

22m Mill Cylinder

22m Mill Cylinder

Cylinder System View

Cylinder System View

Cylinder Detail

Cylinder Detail

15m Compact Cylinder

15m Compact Cylinder

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