Models Shown: 3 models (80–250 mm bore)
Pressure Class: 250–350 Bar
Core Value Proposition: Extreme side-load resistance, forged body, up to 350 Bar
Models Shown: 3 models (80–250 mm bore)
Pressure Class: 250–350 Bar
Core Value Proposition: Extreme side-load resistance, forged body, up to 350 Bar
| Typical Model | VH 80/45-400 | VH 160/90-1200 | VH 250/160-2500 |
| Standard | ISO 6022 | ISO 6022 | ISO 6022 |
| Bore Dia.(mm) | 80 | 160 | 250 |
| Rod Dia.(mm) | 45 | 90 | 160 |
| Stroke Range(mm) | 80 – 1000 | 120 – 2500 | 150 – 4000 |
| Mounting Style | Tie Rod / Flange / Trunnion / Clevis | Tie Rod / Flange / Trunnion / Clevis | Tie Rod / Flange / Trunnion |
| Protection | Full Bellows Protection | Full Bellows Protection | Full Bellows + Protective Sleeve |
| Nominal Pressure(Bar / MPa) | 250 Bar / 25 MPa | 350 Bar / 35 MPa | 350 Bar / 35 MPa |
| Static Test Pressure(Bar) | 375 Bar | 525 Bar | 525 Bar |
| Cylinder Body Material | 27SiMn / 42CrMo Forged Tube | 42CrMo Forged & Honed Tube | 42CrMo Forged & Honed Tube |
| Piston Rod Material | 42CrMo Alloy Steel | 42CrMo Alloy Steel (Nitrided) | 42CrMo Alloy Steel (Nitrided) |
| Rod Surface Treatment | Hard Chrome Plated (40–50 µm) + Nitriding | Hard Chrome Plated (50–60 µm) + Super-finish | Hard Chrome Plated (60–70 µm) + Super-finish |
| Rod Surface Finish (Ra) | Ra ≤ 0.15 µm | Ra ≤ 0.10 µm | Ra ≤ 0.08 µm |
| Sealing System | Parker / Rexroth-Compatible Sealing System | Parker / Rexroth-Compatible Sealing System | Parker / Rexroth-Compatible Sealing System |
| Operating Temp.(°C) | -30 ~ +100 | -30 ~ +100 | -30 ~ +100 |
| Fluid Compatibility | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV / Phosphate Ester) |
| Application Scenarios | Large Forging Presses, Stamping Lines | Deep-sea Equipment, Bridge Jacking | Offshore Platforms, Dam Gates, Shield Machines |
| Key Features | Extreme side-load resistance, forged body | Maximum pressure rating in tie rod class | Flagship VH — extreme conditions, zero compromise |