Shaoyang Victor Hydraulic Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000 pcs per month |
| Delivery Time | 15-30 days |
| Packaging Details | Standard Export Wooden Case |
| Pressure | 160-450 bar |
| Application | Hydropower Plant |
| Material | carbon steel, alloy, stainless steel |
| Stroke Length | 24000mm |
| Bore Diameter | 2500mm |
| Brand Name | SY Hydraulic |
| Model Number | SY-Hydraulic Cylinder |
| Certification | China Classification Society Certification |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000 pcs per month |
| Delivery Time | 15-30 days | Packaging Details | Standard Export Wooden Case |
| Pressure | 160-450 bar | Application | Hydropower Plant |
| Material | carbon steel, alloy, stainless steel | Stroke Length | 24000mm |
| Bore Diameter | 2500mm | Brand Name | SY Hydraulic |
| Model Number | SY-Hydraulic Cylinder | Certification | China Classification Society Certification |
| Place of Origin | China | ||
| High Light | Fully Welded Hydropower Hydraulic Cylinder ，Alloy Steel Hydropower Hydraulic Cylinder | ||
Fully Welded Hydropower Hydraulic Cylinder with 16-45MPa Working Pressure
Features:
1. High-strength alloy steel cylinder material (e.g. 27SiMn or CrMo steel) with quenching-tempering treatment achieves tensile strength ≥900MPa, meeting heavy-duty requirements in hydropower and conservancy projects.
2. Laser cladding combined with hard chromium plating (0.05-0.1mm thickness) on piston rod surface meets ISO 6158 Class C for wear/corrosion resistance.
3. Multi-stage sealing system (PTFE guide ring + PU U-seal + wiper) ensures leakage ≤0.1ml/min@35MPa.
4. Integrated displacement sensor interface (magnetostrictive/LVDT) with 0.01mm resolution complies with IEC 61508 SIL2 safety level.
5. Topology-optimized cylinder head design with stress concentration factor ≤1.2 passes ISO 6402 million-cycle fatigue test.
6. Three-stage cushioning system (adjustable throttle + tapered plunger + elastic accumulator) achieves ≥85% end-speed attenuation.
7. Fully welded structure (welding inspection per EN 17636) with 16-45MPa working pressure and burst pressure ≥2.5×rated.
8. Autocompensation surface hardening (HVOF WC-Co coating) with ≥1100HV hardness for silt-laden water conditions.
9. SAE flange ports (4-bolt/2500psi) with shock-absorbing connectors achieve ≥30% pulsation attenuation.
10. Environmental adaptability (-40℃~+80℃) with cryogenic fluorocarbon seals per ASTM D2000 M4EE.
Technical data:
| Parameter Category | Technical Parameter | Technical Specifications |
| Basic Parameters | Bore Diameter | Φ200-Φ2500mm (H8 tolerance grade) |
| Stroke | Max. single-stage stroke 24m (straightness ≤0.05mm/m) | |
| Working Pressure | 16-45MPa (rated), instantaneous pressure ≥1.5×rated | |
| Material & Manufacturing | Cylinder Body Material | Forged 27SiMn/34CrMo4 steel (Tensile strength ≥900MPa, Yield strength ≥750MPa) |
| Piston Rod Surface Treatment | Laser Cladding + Hard Chrome Plating (Thickness 0.05-0.1mm, Hardness ≥900HV) | |
| Cylinder Bore Finishing | Precision honing (Ra ≤0.2μm, Cylindricity ≤IT7 grade) | |
| Sealing & Leakage | Primary Sealing System | PTFE Guide Rings + PU U-Seals + Dust Wipers (Leakage ≤0.1ml/min @35MPa) |
| Redundant Static Seals | Dual O-Rings + Backup Rings (Redundancy ≥200%) | |
| Cushioning & Motion Control | Cushioning Mechanism | 3-Stage Hydraulic Cushioning (Tapered throttling + Elastic accumulators, ≥85% speed attenuation) |
| Position Sensor Accuracy | Magnetostrictive/LVDT type (Resolution 0.01mm, Linearity ±0.05%FS) | |
| Environmental Adaptability | Operating Temperature Range | -40°C to +80°C (Fluorocarbon seals compliant with ASTM D2000 M4EE) |
| Corrosion Resistance | C5-M Corrosion Resistance (HVOF WC-Co coating, ≥2000 hours salt spray test) | |
| Smart Monitoring | Pressure Monitoring | Piezoresistive sensor (Accuracy ±0.5%FS, Range 0-50MPa) |
| Temperature Monitoring | PT1000 sensor (Range -50°C to +150°C, Accuracy ±0.5°C) | |
| Vibration Analysis | Triaxial accelerometer (Frequency response 0-10kHz, Sampling rate ≥10kHz) | |
| Safety & Reliability | Burst Pressure | ≥2.5×Rated Pressure (Cylinder deformation ≤0.1% of total length) |
| Fatigue Life | 2 million cycles per ISO 6402 (No cracks/permanent deformation) | |
| Emergency Manual Operation | Integrated G3/8" manual pump port (≥3 full stroke operations) | |
| Installation & Maintenance | Mounting Surface Flatness | ≤0.05mm/m mounting base flatness |
| Maintenance Interval | Seal replacement cycle ≥5 years/100k cycles (MTTR ≤4 hours) | |
| Energy Efficiency & Eco-Friendly | Hydraulic Fluid Compatibility | Compatible with mineral oils & HETG bio-oils (Seals certified per DIN 51524) |
| Energy Optimization | Differential Circuit Design (≥30% energy reduction in return stroke) |
Specifications:
| Cylinder Type | Mill type, Head Bolted, Base Welded |
| Bore Diameter | Up to 2500mm |
| Rod Diameter | Up to 2000mm |
| Stroke Length | Up to 24,000mm |
| Piston Rod Material | AISI 1045, AISI 4140, AISI 4340, 20MnV6 |
| Rod Surface Treatment | Hard chrome plated, Chrome/Nickel plated, Ceramic coated |
| Tube Material | Carbon steel AISI1045 or ST52.3, Alloy steel AISI4140, Stainless steel 2Cr13 or 1Cr17Ni2 |
| Tube Surface Painting | Colors according to RAL and thickness according to customer needs |
| Mounting Type | Clevis, Cross tube, Flange, Trunnion, Tang, Thread |
| Design Pressure | Up to 40Mpa |
| Seal Kits Type | PARKER, MERKEL, HALLITE, NOK, TRELLEBORG |
| Quality Assurance | 1 year |
| Certificate | SGS, BV, ABS ,GL, DNV etc. |
| Application | Heavy industry, steel mill, Hydraulic press, etc. |
Applications:
Competitive Advantage:
1. Ultra-High Load Capacity: Conservancy hydraulic cylinders utilize multi-layer reinforced barrels (wall ≥40mm) with topology optimization, sustaining ≥10,000kN axial force. Nitrided piston rods (≥55HRC) with TiN coating (50μm) achieve μ=0.08 for Three Gorges-scale gate stability.
2. Extreme Environment Adaptability: Hydropower hydraulic cylinder Wide-temperature seals (-50℃~+120℃) combine FKM/AU materials, maintaining ≤0.05ml/min leakage in Tibet (-40℃) and tropics (RH≥95%). Dual heating/cooling modules provide ±1.5℃ compensation.
3. Precision Motion Control: Conservancy hydraulic cylinder Magnetostrictive sensors (0.001mm) and servo valves (≤15ms) achieve 0.01° guide vane control. Multi-physics algorithms compensate thermal/pressure drift for ±0.2% pumped-storage power accuracy.
4. Sediment Abrasion Resistance: Hydropower hydraulic cylinder Laser-clad WC-12Co coating (≥1,200HV) triples lifespan in Yellow River sediment (50kg/m³). Centrifugal boron steel liners (0.003% B) improve wear resistance by 60%.
5. Intelligent Health Monitoring: Conservancy hydraulic cylinder Oil particle sensors (NAS 1638 Class 6) and vibration analyzers (0-10kHz) predict seal/bearing failure. Digital twins estimate RUL (±5%), cutting downtime by 40%.
The Analysis For Hydropower Hydraulic Cylinder Common Breakdown:
1. Hydraulic cylinder seal failure occurs when Y-ring lip wear (≥0.5mm) causes >5ml/min leakage under 45MPa. Surface roughness Ra>0.8μm accelerates degradation. FKM seals (-40~200℃) with polished grooves are recommended.
2. Hydraulic cylinder piston rod scoring (>50μm depth) caused by 0.1mm quartz particles requires WC-10Co-4Cr cladding (≥1200HV) and magnetic filtration (β≥200).
3. Multi-cylinder synchronization error (>2mm/20m) from oil temperature drift (ΔT≥15℃) demands ±0.5℃ thermal compensation valves and CANopen control (<1ms latency).
4. Hydraulic cylinder end-stop collisions (>150kJ kinetic energy) require multi-stage PU accumulators (≥85% absorption) and 10% stroke pre-deceleration zones.
5. Cavitation erosion (＞3mm pits) at <0.2MPa pressure zones is reduced 70% by flow optimization (cavitation number≥0.4) and laser-textured surfaces (Ra≤0.1μm).
Company Details
Business Type:
Manufacturer
Year Established:
1968
Total Annual:
400000000-500000000
Employee Number:
400~600
Ecer Certification：
Verified Supplier
Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,... Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,...
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