Characteristics:

• Maximum Working Pressure: 200 bar
• Maximum Testing Pressure: 300 bar
• Maximum Working Speed: 0.5 m/s
• Working Temperature Range: -30 ºC to +90 ºC
• Oil Type: Mineral hydraulic oil

Material Specifications:

• Rod: Chrome plated steel F-1140, with a minimum chrome layer thickness of 20 microns, roughness Ra < 0.2, surface hardness ≥ 900 HV, corrosion resistance ≥ 200 hours in neutral saline fog (ISO 9227 rating 9)
• Tube: Steel ST-52-3, DIN 2393, inside diameter tolerance ISO H9, roughness Ra < 0.8 microns
• Guide-Bushing: Steel F-1140, nitrided (nitride hardening)
• Piston: Steel F-1140

Seals:

• Guide-Bushing Seals:
  • Dynamic: Compact polyurethane rod-seal, double lip. NBR metal wiper seal
  • Static: NBR 90 shore O-ring
• Piston Seals:
  • Dynamic: Compact double-acting polyurethane seal, plus nitrile O-ring as activator. Special polyacetal guides reinforced with glass fiber
  • Static: Polyamide locking sealing guide

Finishing:

• Paint: Black prime painting

Recommendations:

1. Relief Valve: Use a relief valve set at 200 bar to protect the cylinder circuit.
2. Oil Cleanliness: Ensure the oil is clean and free from contaminants; use a filter on the cylinder circuit.
3. Bleeding the Circuit: Bleed the circuit by loosening the cylinder fittings slightly before starting.
4. Avoid Welding: Do not weld on the cylinder tube. If welding on the rod or the bottom is necessary, dismount the cylinder first.
5. Storage: For long-term storage, avoid outdoor exposure. If unavoidable, retract the rod completely or grease it.
6. Protection: Protect the rod and oil ports during high-pressure cleaning or blasting.
7. Single Acting Use: For double-acting cylinders used as single-acting, connect the unused oil port to the tank.
8. Dismounting: When dismounting, note that the piston is screwed onto the rod end and fixed with industrial glue. Use industrial glue again when reassembling.