Shaoyang Victor Hydraulic Co., Ltd.
Add to Cart
Water Conservancy Hydraulic Cylinder 1200mm Stroke for Sluice Valve Operation
Features:
1. High-strength alloy steel cylinder with tensile strength ≥800MPa and pressure rating up to 42MPa
2. Metal-ceramic composite piston rod resists corrosion 3-5x longer than chrome plating
3. Deep hole honing achieves inner surface roughness Ra≤0.2μm and straightness ≤0.05mm/m
4. Modular seals with triple protection reduce leakage to ≤0.1mL/h
5. Segmented cylinder design supports 1.4m bore and 17m stroke for sluice gates
6. 5-42MPa operating pressure with 1:1000 flow ratio and ±2% dynamic compensation
7. LVDT displacement sensor enables ±0.5mm closed-loop control
8. IoT sensors monitor NAS Class 8 cleanliness and predict failures
9. Adjustable cushioning reduces impact force by ≥85% with 0.5m/s seismic response
10. Multi-cylinder synchronization error ≤1% for radial gate coordination
Technical data:
| Parameter Category | Technical Parameter | Technical Specifications |
| Basic Parameters | Bore Diameter | Φ200-Φ2500mm (H8 tolerance grade) |
| Stroke | Max. single-stage stroke 24000mm (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 600mm |
| 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. High-Pressure Automatic Air Bleeders: Float-type vents automatically purge 99% entrapped air within 30s at >5MPa, featuring spiral flow channels for 5L/min exhaust capacity.
2. Smart Lubrication Management: Centralized progressive lubricators with ±5% dosing accuracy extend regreasing intervals to 2,000 hours based on stroke counts.
3. Emergency Manual Override: Planetary gear-driven hand pumps (1:120 ratio) enable 0.5m/min gate movement with ≤200N manual force during power outages, compliant with GB/T 3766 safety codes.
4. Dynamic Load Compensation: Real-time PID-controlled servo valves adjust flow within 1s to maintain ±5% speed stability during gate jamming or debris impacts.
The Analysis For Hydropower Hydraulic Cylinder Common Breakdown:
1. Synchronization errors in multi-cylinder systems stem from flow imbalances. Advanced motion controllers with cross-coupled feedback algorithms compensate for mechanical variances. Equalizing flow dividers with pressure compensation maintain velocity matching. Laser alignment verification ensures positional accuracy within 0.05% of stroke length.
2. Stick-slip motion occurs during low-speed operation. hydraulic cylinder. Friction variation between static and dynamic states causes jerky movement. Implementing MoS2-impregnated seals reduces coefficient variation. Temperature-compensated viscosity modifiers maintain optimal lubricity. Preload adjusters eliminate mechanical backlash in guide mechanisms.
3. Thermal anomalies degrade material properties. Excessive heat generation from pressure losses requires thermodynamic analysis. High-efficiency coolers with automatic bypass valves maintain oil temperature below 60°C. Fluorocarbon seals retain elasticity at 150°C, while computational fluid dynamics optimizes flow paths to minimize energy conversion.