Models Shown: 4 models (40–160 mm bore)
Pressure Class: 210–250 Bar
Core Value Proposition: High-pressure compact, shock-resistant for mining & heavy construction
Models Shown: 4 models (40–160 mm bore)
Pressure Class: 210–250 Bar
Core Value Proposition: High-pressure compact, shock-resistant for mining & heavy construction
| Typical Model | CHGH 40/20-100 | CHGH 63/36-300 | CHGH 100/56-600 | CHGH 160/90-1200 |
| Standard | ISO 6022 | ISO 6022 | ISO 6022 | ISO 6022 |
| Bore Dia.(mm) | 40 | 63 | 100 | 160 |
| Rod Dia.(mm) | 20 | 36 | 56 | 90 |
| Stroke Range(mm) | 20 – 200 | 40 – 500 | 60 – 800 | 80 – 1200 |
| Mounting Style | Flange / Clevis / Trunnion | Flange / Trunnion / Clevis / Foot | Flange / Trunnion / Clevis | Flange / Trunnion / Clevis |
| Protection | Dust Wiper + Rod Boot (Optional) | Dust Wiper + Rod Boot | Dust Wiper + Rod Boot + Protective Cover | Full Bellows Protection |
| Nominal Pressure(Bar / MPa) | 210 Bar / 21 MPa | 250 Bar / 25 MPa | 250 Bar / 25 MPa | 250 Bar / 25 MPa |
| Static Test Pressure(Bar) | 315 Bar | 375 Bar | 375 Bar | 375 Bar |
| Cylinder Body Material | 27SiMn / 35# Steel Honed Tube | 27SiMn / 35# Steel Honed Tube | 27SiMn / 35# Steel Honed Tube | 27SiMn / 42CrMo Honed Tube |
| Piston Rod Material | 40Cr Alloy Steel | 40Cr / 42CrMo Alloy Steel | 42CrMo Alloy Steel | 42CrMo Alloy Steel |
| Rod Surface Treatment | Hard Chrome Plated (25–35 µm) | Hard Chrome Plated (30–40 µm) | Hard Chrome Plated (35–45 µm) | Hard Chrome Plated (40–50 µm) + Polished |
| Rod Surface Finish(Ra) | Ra ≤ 0.3 µm | Ra ≤ 0.2 µm | Ra ≤ 0.2 µm | Ra ≤ 0.15 µm |
| Sealing System | Parker / Rexroth-Compatible Sealing System | Parker High-pressure Multi-lip Seals | Parker / Rexroth-Compatible Sealing System | Parker / Rexroth-Compatible Sealing System |
| Operating Temp.(°C) | -30 ~ +100 | -30 ~ +100 | -30 ~ +100 | -30 ~ +100 |
| Fluid Compatibility | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV / Biodegradable) |
| Application Scenarios | Mining Machinery, Tunnel Boring Auxiliary | Heavy Construction, Crushers, Screening | Metallurgy Auxiliary, Steel Mill Roll Tables | Heavy Mining, Dumpers, Ship Loaders |
| Key Features | Rugged compact design for harsh environments | High-pressure rated, shock-resistant buffer design | Heavy-duty compact, extended service life | Maximum compact-class capacity, extreme-duty rated |