Models Shown: 4 models (3–5 stage, up to 8000 mm)
Pressure Class: 160–210 Bar
Core Value Proposition: Long stroke / short retracted length, ideal for dump trucks & trailers
Models Shown: 4 models (3–5 stage, up to 8000 mm)
Pressure Class: 160–210 Bar
Core Value Proposition: Long stroke / short retracted length, ideal for dump trucks & trailers
| Typical Model | SA 50/63/80-800 (3-stage) | SA 80/100/125-2500 (3-stage) | SA 100/125/160/200-5000 (4-stage) | SA 125/160/200/250/300-8000 (5-stage) |
| Standard | ISO 6020/2 | ISO 6020/2 | ISO 6020/2 | ISO 6020/2 |
| Bore Dia.(mm) | 50–80 (3 stages) |
80–125 (3 stages) |
100–200 (4 stages) |
125–300 (5 stages) |
| Rod Dia.(mm) | — (Telescopic Sleeves) |
— (Telescopic Sleeves) |
— (Telescopic Sleeves) |
— (Telescopic Sleeves) |
| Stroke Range(mm) | 500 – 1500 | 1000 – 3000 | 2000 – 5000 | 3000 – 8000 |
| Mounting Style | Clevis / Trunnion | Clevis / Trunnion / Flange | Trunnion / Flange | Trunnion / Flange (Heavy-duty) |
| Protection | Dust Wiper per Stage | Dust Wiper per Stage + Rod Boot | Dust Wiper per Stage + Full Bellows | Dust Wiper per Stage + Full Protective Cover |
| Nominal Pressure(Bar / MPa) | 160 Bar / 16 MPa | 210 Bar / 21 MPa | 210 Bar / 21 MPa | 210 Bar / 21 MPa |
| Static Test Pressure(Bar) | 240 Bar | 315 Bar | 315 Bar | 315 Bar |
| Cylinder Body Material | 27SiMn / 45# Steel Multi-stage Sleeves | 27SiMn Multi-stage Honed Sleeves | 27SiMn / 42CrMo Multi-stage Sleeves | 42CrMo Multi-stage Forged Sleeves |
| Piston Rod Material | 40Cr Alloy Steel (Each Stage) | 40Cr / 42CrMo Alloy Steel (Each Stage) | 42CrMo Alloy Steel (Each Stage) | 42CrMo Alloy Steel (Induction Hardened) |
| Rod Surface Treatment | Hard Chrome Plated (25–35 µm per stage) | Hard Chrome Plated (30–40 µm per stage) | Hard Chrome Plated (35–45 µm per stage) | Hard Chrome Plated (40–50 µm) + Polished |
| Rod Surface Finish (Ra) | Ra ≤ 0.3 µm | Ra ≤ 0.2 µm | Ra ≤ 0.15 µm | Ra ≤ 0.10 µm |
| Sealing System | Parker / Rexroth-Compatible Sealing System | Parker Multi-stage High-pressure Seals | Parker / Rexroth-Compatible Sealing System | Parker / Rexroth-Compatible Sealing System |
| Operating Temp.(°C) | -20 ~ +80 | -20 ~ +80 | -20 ~ +80 | -20 ~ +80 |
| Fluid Compatibility | Mineral Oil (HL / HM) | Mineral Oil (HL / HM) | Mineral Oil (HL / HM / HV) | Mineral Oil (HL / HM / HV) |
| Application Scenarios | Small Dump Trailers, Agricultural Tippers | Medium Dump Trucks, Sanitation Compactors | Heavy Dump Trucks, Mining Tippers, Trailers | Articulated Dump Trucks, Mining Haulers |
| Key Features | 3-stage, gravity retract, long stroke / short retracted length | 3-stage balanced design, low maintenance | 4-stage, max reach, heavy-duty telescopic | 5-stage flagship, ultimate stroke-to-retracted ratio |