This OEM 280 100-130 Rotary Expansion and Contraction Cylinder is designed for single cylinder hydraulic cone crushers with linear telescopic action. The tube follows GUOYUE CD250 style specifications.

• Tube Material Options: 45#, 42CrMo, or 27SiMn steel
• Precision Machining: Hole ground to H8 with surface roughness Ra under 0.4 μm
• Component Materials: Head, base, ears, and piston made from 45# steel (no cast iron or cast steel)
• Slow-Down System: Choice of fixed or floating bumpers for controlled deceleration
• Welding Quality: Ultrasound testing on all heavy-load welds for stress reduction and longevity
• Premium Seals: Only uses top-quality seals from Trelleborg (Sweden), Merkel and GP (Germany)
• Rigorous Testing: Each cylinder tested to GB/T15622-2005 and Q/GAKY014-2023 standards
• Warranty: 1-year coverage from shipment date with free repair/replacement for manufacturing defects

This robust cylinder features thick steel construction and a hard chrome-plated rod for exceptional durability. The multi-stage telescopic design provides high extension while maintaining compact retracted dimensions. Precision seals ensure leak-free operation even under demanding conditions.

Ideal for various industrial applications including:

• Cone crushers in quarries and mining operations
• Concrete recycling plants
• Engineering machinery
• Mining equipment
• Shipping and metallurgical applications
• Water conservancy projects
• Offshore and agricultural machinery