Product Overview
hydraulic equipment maintenance in the wind-power sector depends on oil cleanliness that ordinary two-stage flushing cannot reach, and the LYC-100B three-stage oil filtration unit is built for that duty. Oil is drawn through a 100 μm suction strainer, then through a 10/20/40 μm medium stage and finally a 3/5/10/20/40 μm fine stage, giving three sequential barriers in one pass. Rated flow is 100 L/min at 0.6 MPa, original pressure loss ≤0.01 MPa, working temperature 5-80 ℃, recommended viscosity 10-160 cSt, motor 2.2 kW, weight 120 kg, dimensions 720 × 750 × 1020 mm.
Basic Technical Parameters
| Model | LYC-100B |
| Rated flow | 100 L/min |
| Rated pressure | 0.6 MPa |
| Original pressure loss | ≤0.01 MPa |
| Working temperature | 5-80 ℃ |
| Recommended viscosity | 10-160 cSt |
| Stage 1 accuracy | 100 μm (suction strainer) |
| Stage 2 accuracy | 10 / 20 / 40 μm |
| Stage 3 accuracy | 3 / 5 / 10 / 20 / 40 μm |
| Motor power | 2.2 kW |
| Voltage | Three-phase AC380V |
| Weight | 120 kg |
| Dimensions | 720 × 750 × 1020 mm |
Wind-Power Service Application Scenario
A 100 L/min service unit suits the oil volume of a multi-megawatt gearbox without turning a scheduled oil change into a two-day operation. During a gearbox oil change, the high precision oil purifier first transfers the drained charge through all three stages into a clean holding tank, then filters the fresh charge before it is pumped back into the gearbox, so particles introduced by drum handling and transfer hoses never reach the bearings. The same unit is then connected to the lubrication station as a temporary bypass loop during commissioning, removing debris left after gearbox overhaul. Because the third stage can be specified at 3 or 5 μm, the outlet condition supports cleanliness targets that a single 10 μm pass cannot hold, and the quick-open housings allow stage-by-stage cartridge replacement on site without lifting the unit.
Product Advantages
Three sequential stages divide the dirt load: the coarse stage protects the pump, the medium stage carries most of the contaminant mass, and the fine stage sets final cleanliness, so the expensive fine cartridge is not sacrificed to bulk debris. Quick-open covers on both precision housings allow tool-free cartridge exchange, which matters at height inside a nacelle. Overflow protection on the high-pressure line and a thermal relay on the motor cover the two most common service errors: closing the delivery valve against a running pump, and starting cold high-viscosity oil. The panel gauge reads cartridge loading directly, so replacement is condition-based rather than calendar-based.
Manufacturer & Factory Strength
Every unit is pressure-tested and flow-tested before dispatch, and cartridges are verified to ISO 2941, ISO 2942 and ISO 2943 for collapse resistance, fabrication integrity and fluid compatibility. For wind-service customers we also supply the matching interchangeable hydraulic filter element as a separate consumable line, which avoids shipping complete machines for routine cartridge renewal. Non-standard hose lengths and skid-mounted variants can be quoted against site layout drawings. If a project also requires filtration of the hydraulic pitch system, our hydraulic filter assembly range covers the corresponding housings and elements.
FAQ
Q1: Why use three stages instead of one fine cartridge?
A1: A single fine cartridge absorbs the whole dirt load and blocks quickly. Staging lets the coarse and medium cartridges carry bulk contaminant, so the fine stage holds its flow and service interval.
Q2: Can the LYC-100B be used during a gearbox oil change without stopping other work?
A2: Yes. It is a mobile service unit connected by hoses to the drain and fill ports, so it works independently of the turbine's operating state.
Q3: What is the effect of low oil temperature on flow?
A3: Viscosity rises as temperature falls; below the 10-160 cSt window the 100 L/min rating may not be reached and motor load increases, so pre-heating or indoor operation is recommended.
Q4: Does this unit remove dissolved water?
A4: No. It removes particulate contamination and only retains limited free water. Dissolved moisture requires vacuum dehydration equipment.
Q5: Are 3 μm cartridges available as standard?
A5: Yes, the fine stage is offered in 3, 5, 10, 20 and 40 μm ratings, selected at order.
Related Products: hydraulic oil filter machine | contact our engineering team
Reference: ISO 16889 Hydraulic fluid power — Multi-pass method for evaluating filter element performance
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