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Products DescriptionWU-100X80-J Hydraulic Filter Replacement for Heavy-Duty Machinery
Precision Engineering: 100% compatible with WU-100X80-J specifications, ensuring seamless fit for Dingli, Sany, and Sinoboom equipment.
High Dirt-Holding Capacity: Utilizes multi-layer stainless steel mesh or inorganic fiberglass to extend service intervals in harsh environments.
Structural Integrity: Designed to withstand high differential pressures, preventing bypass leakage during cold starts or pressure surges.
Rapid Delivery: Large-scale stock available for immediate global shipping to reduce equipment downtime.
Customization Support: OEM/ODM services available for specific micron ratings, materials, and private labeling.
Reliability vs. Low-Cost Alternatives: Many aftermarket filters use inferior adhesives that fail under heat. Our filters use high-temperature epoxy resins to ensure the end caps remain bonded under extreme operational stress.
OEM Performance, Wholesale Pricing: We provide the same filtration efficiency and pressure drop characteristics as original Leemin or Dingli parts but at a factory-direct price point.
Tailored Solutions: Unlike rigid OEM suppliers, we offer customized filtration precision (e.g., switching from 80µm to 20µm) based on your specific industrial fluid requirements.
Solving Critical Hydraulic Failures
Contamination is the leading cause of hydraulic system failure. Microscopic particles can cause abrasive wear on precision valves and pumps, leading to pressure loss and system inefficiency. The WU-100X80-J hydraulic filter is engineered to address these issues by providing a robust barrier against metallic shavings, silt, and silica.
How the WU-100X80-J Works
A hydraulic filter is designed to remove contaminants from hydraulic fluid by passing the oil through a specialized porous medium. The WU-100X80-J utilizes a surface-type filtration mechanism (for stainless steel mesh) or depth-type filtration (for fiberglass), capturing particles as small as 80 microns (standard for J-series) to maintain fluid cleanliness according to ISO 4406 standards.
Technical Specifications
| Feature | Specification |
| Product Style | Hydraulic Suction/Return Filter |
| OEM Number | WU-100X80-J |
| Outer Diameter (D1) | 70.0 mm |
| Inner Diameter (D2) | 50.0 mm |
| Thread Size (D7) | M42X2 |
| Overall Height (H1) | 153.0 mm |
| Body Height (H2) | 135.0 mm |
| Filter Media | Stainless Steel Wire Mesh (Standard J-Series) |
| Filtration Accuracy | 80 Microns (Customizable) |
| Nominal Flow Rate | 100 L/min |
| Working Medium | Hydraulic Oil, Lubricating Oil |
Cross Reference & Compatibility
- Leemin WU-100X80-J
- HiFi Filter SH 77624
Specific Equipment Models
Dingli: BT 36 RT, BT 41 RT, BT 44 RTJ, JCPT series (1218 DC/RT, 1418 DC/RT, 1523 DCL/RT, 1612 DCB, 1823 DCL/RT, 2212 DC).
Sany: SY16, SY16C, SY18 Excavators.
Sinoboom: AB 16 EJ, AB 18 EJ, AB 22 EJ.
LiuGong: CPCD 20.
SEM Machinery: 636 B.
YTO: PY 180 C.
Industrial Applications
Metallurgy & Steel: Rolling mills and continuous casting hydraulic stations.
Power Plants: Turbine hydraulic control and generator lubrication systems.
Mining Machinery: Crushing equipment and heavy-duty hydraulic drives.
Industrial Manufacturing: Injection molding machines and automated presses.
Petroleum & Chemical: Oilfield hydraulic equipment and refinery systems.
Quality
Fabrication Integrity Test (ISO 2942)
Flow Fatigue Characteristics (ISO 3724)
Pressure Drop vs. Flow Rate (ISO 3968)
Multi-pass Efficiency Testing (ISO 16889)
FAQ
Q1: How do I know when the WU-100X80-J hydraulic filter needs replacement? A: Replacement is required when the system's differential pressure indicator signals a bypass condition, or during scheduled maintenance intervals (typically every 500-1,000 operating hours). Visible sluggishness in hydraulic response is also a key indicator.
Q2: Can I use this filter for synthetic hydraulic fluids? A: Yes. The stainless steel mesh and NBR seals are compatible with most mineral and synthetic-based hydraulic oils. For high-temperature phosphate esters, please request Viton seals.
Q3: What is the significance of the "J" in the part number? A: In the Leemin naming convention, "J" typically denotes the filtration accuracy, usually referring to a stainless steel wire mesh medium with an 80-micron rating, designed for suction or low-pressure return lines.
Q4: How does the filtration precision affect system performance? A: If the micron rating is too high, contaminants will pass through and damage components. If too low (too fine) for the pump's capacity, it may cause cavitation. We recommend sticking to the OEM 80-micron specification unless the system has been modified.
Q5: What are the installation precautions for the M42X2 thread? A: Ensure the mounting thread is clean and lightly lubricate the gasket with clean hydraulic oil before hand-tightening. Do not over-torque, as this can deform the seal.
Looking for a Reliable Hydraulic Filter Supplier?
Whether you need a bulk order for a fleet or a customized filtration solution, we provide factory-direct pricing and technical expertise.
MOQ: Small batches accepted (starting at 10 pcs).
Samples: Free technical samples available for established B2B partners.
Lead Time: 7-15 days for standard orders.
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