TSG-60.25-8×50 Rexroth Heavy Duty Hydraulic Cylinder

Product Overview

The TSG-60.25-8×50 Heavy Duty High Pressure Hydraulic Oil Cylinder (Engineering Code: 50.95.000, cross-compatible with TSG60, TSG63, TSG50, and CG80 series) is a heavy-duty hydraulic actuator designed for high-stress industrial applications and extreme operating environments. Manufactured strictly to Bosch Rexroth TSG series dimensional and performance specifications, this cylinder offers 100% drop-in interchangeability. It features a precision-honed seamless alloy steel barrel, an induction-hardened hard-chrome-plated piston rod, and an advanced low-friction sealing package. Every unit undergoes 100% factory simulated load pressure testing to ensure zero fluid bypass, superior displacement control, and exceptional operational reliability, protecting heavy machinery from unscheduled downtime.

Technical Specifications

• Full Model Code: TSG-60.25-8×50 (Part No.: 50.95.000; Compatible with TSG60, TSG63, TSG50, CG80)

• Bore Size: 60 mm

• Piston Rod Diameter: 25 mm

• Stroke Length: 50 mm (8×50 structure designation)

• Nominal Operating Pressure: 16 MPa (160 bar) to 25 MPa (250 bar)

• Peak Shock Pressure: 31.5 MPa (315 bar)

• Maximum Rod Speed: 0.5 m/s (Standard; up to 2.0 m/s with high-temp/high-speed seals)

• Fluid Compatibility: HLP mineral hydraulic oils, water-glycol, and synthetic fluids

• Operating Temperature Range: -20°C to +120°C (NBR/PU standard, Viton/FKM for elevated temperatures)

• Net Weight: Approx. 11.5 kg

Key Technical Advantages

• 100% Drop-In OEM Interchangeability: Mounting envelope, port thread connections, pin hole tolerances, and retracted dimensions align with OEM technical drawings for effortless direct substitution without machinery alterations.

• Precision-Honed Tube & Chrome-Plated Rod: Super-finished cylinder barrel interior ($Ra \le 0.2\ \mu\text{m}$) combined with an induction-hardened, hard-chrome-plated piston rod ($\ge 25\ \mu\text{m}$ coating thickness) prevents premature seal wear and resists mechanical scoring.

• Anti-Stick-Slip Low-Friction Sealing: Premium Polyurethane (PU) and PTFE combination seals minimize breakaway friction, eliminate low-speed stick-slip motion, and maintain zero internal leakage under 31.5 MPa peak pressure spikes.

• 100% Full-Load Factory Pressure Tested: Every cylinder is subjected to dynamic full-stroke cycling and static high-pressure holding tests to verify structural integrity and dampening performance prior to dispatch.

Application Areas

• Metallurgy & Steel Production: Rolling mill guide positioning, continuous casting cutting actuators, and heavy material clamping.

• Construction & Mining Equipment: Rotary drilling rig auxiliary cylinders, excavator lock mechanisms, and crusher adjustments.

• Industrial Presses & Machinery: Forging press auxiliary cylinders, metal shearing machines, and automated hydraulic clamping systems.

• Material Handling & Automation: Heavy-duty tilting mechanisms, industrial lift tables, and hydraulic power unit (HPU) actuators.

Expert Maintenance Tips

• Prevent Side Loading: Ensure precise physical alignment between the cylinder rod axis and the driven load path during installation. Side loading causes uneven guide bushing wear and accelerates rod seal degradation.

• Bleed Trapped Air: Always bleed trapped air using the air-bleed ports or by cycling the cylinder back and forth 3-5 times under low pressure without load during initial startup to prevent aeration and unstable motion.

• Maintain Fluid Cleanliness: Maintain system oil cleanliness to ISO 4406 18/16/13 (or NAS 8) or cleaner. Ensure a high-efficiency pressure line filter is installed upstream to trap particulate contamination.