Filter

Color:Customized

Lead Time:30 days

ISO 9001:2015 certification

Hydraulic Filter for Mixer Trucks - High-Efficiency Contamination Control

As a professional manufacturer specializing in hydraulic filters for mixer trucks, we engineer our hydraulic filter to be the first line of defense for hydraulic systems in concrete mixer trucks. This critical component is designed to capture and remove contaminants—including dust, metal particles, and oil residues—that cause wear, clogging, and premature failure of hydraulic pumps, valves, and motors. Crafted to withstand the high-vibration, dusty, and extreme-temperature operating conditions of construction sites, our hydraulic filter delivers OEM-grade compatibility, consistent filtration efficiency, and long service life. For fleet operators, maintenance teams, and aftermarket distributors, our hydraulic filter ensures clean hydraulic oil, minimizes system downtime, and extends the lifespan of core mixer truck hydraulic components.

1. Product Parameter (specification)

Putzmeister concrete pump parts

Hydraulic filter element

Filter rating: 10µ

OEM No.222895006

Purpose: Remove contaminants from fuel (gasoline, diesel) to protect fuel injectors, pumps, and engines.

Types:

Primary Filters: Coarse filtration at the fuel tank inlet.

Secondary Filters: Fine filtration before fuel reaches the engine.

Key Feature: High efficiency in trapping water and particulates, critical for diesel engines in heavy machinery.

Maintenance and Replacement

Regular Inspection: Monitor pressure gauges (for hydraulic filters) or visual indicators to detect clogging.

Cleaning/Replacement: Disposable filters are replaced when clogged; reusable filters (e.g., metal mesh) are cleaned and reused.

Oil Analysis: In hydraulic systems, regular oil sampling can indicate filter performance and system health.

Core Technical Parameters Detailed Explanation

Our hydraulic filter is precision-engineered to meet the rigorous filtration demands of mixer truck hydraulic systems, with each parameter validated through third-party testing to align with industrial standards. Below is the detailed specification table (retained in full) alongside critical performance insights for practical application:

Every hydraulic filter undergoes 100% integrity testing to ensure no bypass leakage. Its 5 μm absolute filtration precision captures 99.9% of contaminants larger than 5 microns—critical for protecting precision components like A4VTG90 pumps and PV23 control valves—while the ≤0.8 bar pressure drop ensures no energy loss in the hydraulic circuit, maintaining mixer drum performance.

Key Factors Affecting Parameters

While our hydraulic filter is engineered for stable filtration performance, its efficiency and lifespan are influenced by external factors tied to mixer truck operation. We’ve optimized the filter to mitigate these impacts, with actionable guidance for operators:

Hydrulic Oil Quality & Contamination Level: Oil contaminated with large particles (≥20 μm) or water (content >0.1%) accelerates filter clogging, increasing pressure drop by up to 50% and reducing service life by 35%. Our 2500-hour field test confirms that using clean ISO VG 46 oil (initial contamination level NAS 8) extends filter lifespan by 40% and maintains consistent filtration efficiency.

Operating Flow Rate Fluctuation: Flow rates exceeding 350 L/min (17% above nominal) cause excessive pressure drop and media deformation. The filter’s integrated flow bypass valve activates at 1.2 bar, diverting oil to prevent filter damage while maintaining basic system protection—validated in high-load scenarios (e.g., rapid mixer drum acceleration).

Ambient & Oil Temperature: Low temperatures (-30℃ to -20℃) increase oil viscosity, slightly raising pressure drop, while high temperatures (≥85℃) accelerate media aging. The filter’s glass fiber media and aluminum housing withstand temperature extremes without performance degradation, ensuring stable filtration from cold plateaus to desert worksites.

Installation & Seal Integrity: Improper threading torque (outside 45-50 N·m) or damaged seals cause oil leakage and unfiltered oil bypass. We provide torque guidelines and high-quality NBR seals to ensure a tight fit, eliminating contamination ingress and maintaining filtration efficiency.

Special Working Conditions & Emergency Handling Notes

Special Working Condition Adaptations

Our hydraulic filter is engineered with targeted features to adapt to harsh mixer truck operating environments, ensuring consistent filtration performance:

High-Dust Environments: An integrated pre-filter mesh (20 μm) captures large dust particles, reducing primary filter clogging by 30%. A 1200-hour dust chamber test confirmed stable performance in desert construction sites with high airborne debris.

High-Vibration Operation: The filter’s reinforced aluminum housing and anti-loosening thread design resist vibration-induced damage. It maintains seal integrity even under 15g vibration (common in mixer trucks on rough terrain).

Water Contamination Resistance: The filter media is treated with a water-repellent coating, capturing water droplets (up to 0.5% water content) and preventing oil emulsification—critical for humid or rainy construction environments.

2. Production details