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WG230 Hydraulic Return Filter for Volvo and Pel Job Excavators
1. Key Product Highlights
- • Precision Filtration: Engineered to capture sub-micron contaminants, protecting sensitive hydraulic valves and pumps from abrasive wear.
- • OEM Compatibility: 100% dimensional match for Filtrec systems, ensuring a leak-free fit for Volvo EC/EW and Pel Job EB series.
- • High-Strength Construction: Reinforced galvanized steel mesh supports high differential pressure without pleat collapse.
- • Customizable Solutions: Available in various Beta ratingsand media types (Glass fiber, Stainless steel, or Paper) to meet specific fleet requirements.
2. Professional Product Overview
Addressing Hydraulic System Failure
Contamination is the leading cause of hydraulic system downtime in heavy machinery. Particles as small as 5 microns can cause "silt lock" in valves or catastrophic pump failure. The WG230 Hydraulic Filter provides a critical solution by maintaining fluid cleanliness levels (ISO 4406) required for high-pressure excavator circuits. It effectively eliminates metallic shavings, seal elastomers, and silica dust that bypass primary intake systems.
How It Works
A hydraulic filter is designed to remove contaminants from the hydraulic fluid as it circulates through the system. The WG230 specifically utilizes depth filtration technology. As fluid passes through the micro-glass media, particles are trapped within the fiber matrix. This design ensures a low pressure drop (initial $\Delta P$) while maximizing the Dust Holding Capacity (DHC), preventing the bypass valve from opening prematurely.
Why Choose Our WG230 Filter?
While many aftermarket filters use low-grade paper, our WG230 features synthetic micro-glass media. Compared to standard OEM filters, our version offers:
- Extended Service Life: Up to 30% more contaminant capacity.
- Cost Efficiency: Direct factory-to-wholesale pricing with global shipping to Europe, North America, and Southeast Asia.
- Stability: Rigorous bubble-point testing ensures media integrity under extreme vibration.
Industry Applications
This element is vital for operators using Volvo and Pel Job compact excavators in high-duty cycles. It is standard equipment for hydraulic return lines in earthmoving, infrastructure maintenance, and forestry operations where fluid temperature and pressure fluctuate rapidly.
3. Technical Specifications
| Parameter | Specification Details |
|---|---|
| Model Number | WG230 (Cross Filtrec) |
| Style | Hydraulic Filter Element |
| Outer Diameter (D1) | 126.0 mm |
| Inner Diameter (D2) | 84.0 mm |
| Inner Diameter 2 (D3) | 9.0 mm |
| Overall Height (H1) | 240.0 mm |
| Flange Height (H2) | 23.0 mm |
| Filter Media | Inorganic Micro-glass / Reinforced Wire Mesh |
| Filtration Rating | 10µm - 20µm (Nominal/Absolute Optional) |
| Collapse Pressure | 10 bar - 210 bar (Depending on Media) |
4. Cross Reference & Compatibility
Cross Reference Part Numbers:
Donaldson: P176712 | HiFi Filter: SH 61048 | MicroFit: MFHSP80733 | Inline: FH50646 | SF FILTER: HY 9626
Equipment Compatibility:
PEL JOB Series: EB 30.4, EB 306, EB 350 XT, EB 406, EB 506 (C/P), EB 706, EC 35, EC 50 CC.
VOLVO Series: EC 35, EC 45, EC 45 PRO, EC 50, EC 70, EW 50, EW 70, and EB series (30.4 to 706 P).
5. Application Industries
6. Quality Assurance & Trust Section
Our WG230 filters are manufactured in accordance with ISO 2941 (Collapse/Burst Resistance) and ISO 3968 (Flow vs. Pressure Drop). We implement a Three-Stage Quality Control process:
- Raw Material Inspection: Verification of fiber diameter and mesh uniformity.
- In-Process Testing: Ultrasonic welding integrity check.
- Final Validation: ISO 16889 Multi-pass testing to confirm Beta ratios.
7. FAQ
Q: How do I know when to replace the WG230 hydraulic filter?
A: Replacement is required when the back-pressure indicator on the filter head reaches the bypass threshold (usually 1.5–2.5 bar) or at every 500–1,000 operating hours as per the Volvo/Pel Job service manual.
Q: What happens if the hydraulic filter efficiency is too low?
A: Low efficiency allows particulates to recirculate, causing "abrasive wear" on the pump's internal surfaces. This leads to internal leakage, loss of hydraulic power, and eventual system overheating.
Q: Can the WG230 filter be customized for high-temperature fluids?
A: Yes. We offer customized versions using Viton (FKM) seals and stainless steel mesh for applications where hydraulic fluid temperatures exceed 120°C.
Q: Is the WG230 a direct replacement for Donaldson P176712?
A: Yes, the WG230 is an exact interchange for Donaldson P176712, matching all dimensions and performance characteristics for Volvo and Pel Job equipment.
Q: What is the benefit of using micro-glass media over paper media?
A: Micro-glass fibers are significantly thinner than paper fibers, providing more pores per square inch. This results in a higher dirt-holding capacity and better structural stability under cold-start conditions.
8. B2B Bulk Order & Customization
MOQ: 20 pieces (Standard) / 100 pieces (Branding)
Delivery Time: 7–15 days (Air) / 30 days (Sea)
Customization: OEM Branding, custom Micron ratings
Samples: Free technical samples for qualified buyers
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