Characteristics:

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

Material:

• Rod: Chrome plated steel F-1140
  • Minimum chrome layer thickness: 20 micron
  • Roughness: Ra < 0.2
  • Minimum surface hardness: 900 HV
  • Corrosion resistance: Minimum 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 micron
• Guide-Bushing: Steel F-1140, nitrited (nitride hardening)
• Piston: Steel F-1140

Seals:

• Guide-Bushing:
  • Dynamic: Compact polyurethane rod-seal, double lip; NBR metal wiper seal
  • Static: NBR 90 shore O-ring
• Piston:
  • 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:

• Painting: Black prime painting

Recommendations:

1. Pressure Relief:
   • Protect the cylinder circuit with a relief valve set at 200 bar.
2. Oil Cleanliness:
   • Ensure oil cleanliness and prevent contamination by placing a filter on the cylinder circuit.
3. Bleeding:
   • Bleed the circuit by slightly loosening the cylinder fittings before startup.
4. Welding:
   • Avoid welding on the cylinder tube.
   • Before welding on the rod or bottom, dismount the cylinder.
5. Storage:
   • For long-term storage, avoid outdoor conditions. If unavoidable, ensure the rod is fully retracted or greased.
6. Cleaning:
   • During high-pressure cleaning or blasting, protect the rod and oil ports adequately.
7. Single Acting Operation:
   • If used as a single-acting cylinder, connect the non-used oil port to the tank.
8. Dismounting:
   • Note that the piston is screwed onto the rod end and fixed with industrial glue. Use industrial glue when reassembling.