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Home > Return Line Filter > Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
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  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter

Upside-down high-pressure line filters are suitable for High-pressure hydraulic lines in construction machinery

SKU:
Component Type: Inverted High-Pressure Line Filter
Filter Rating: 1 μm, 3 μm, 5 μm, 10 μm, 20 μm, 30 μm
Nominal Pressure: 16 MPa, 21 MPa, 32 MPa
Material: Cast Iron, Aluminum Alloy
Mounting Type: Top Flange Mounting
Connection Type: Oil Inlet/Outlet Connections (available in threaded or flanged configurations)
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  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
1/1
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Upside-Down High-Pressure Pipe Filter
  • Description
Product size drawing

Product Description

Upside-down high-pressure line filters feature filter elements that are installed and removed from the bottom, with a flange mounting surface at the top. These are precision filtration devices designed for hydraulic system pressure lines. Typical models include the DF, ZU-H, and PLF series, which are suitable for medium- and high-pressure hydraulic applications.
Key Features
  • Inverted design for easy maintenance
  • High-strength, pressure-resistant housing
  • High-efficiency filtration to protect precision components
  • Dual protection for stable operation
  • Low flow resistance and high adaptability
  • Rust and corrosion resistance, long service life, suitable for harsh operating conditions.

Application 
  • Main oil lines in hydraulic power units
  • High-pressure hydraulic lines in construction machinery
  • Hydraulic systems in machine tools, injection molding machines, and metallurgical equipment
  • Servo-hydraulic systems and other applications requiring high fluid cleanliness.



Packaging & Delivery 

  • Secure Industrial Packaging: Each filter unit is sealed in protective, moisture-resistant packaging to ensure filter media integrity upon arrival.
  • Global Fulfillment: Factory-direct dispatch with optimized logistics chains, ensuring timely delivery to your industrial sites worldwide.
  • Installation Ready: Precision-manufactured to match standard hydraulic connection patterns for a fast and reliable installation.
Certification & Quality Assurance
  • Quality Excellence: Manufactured under strict ISO9001 quality management standards, ensuring consistent filtration efficiency.
  • Operational Longevity: Designed for high-cycle industrial service, protecting equipment investments for 10+ years.
  • Integrity Testing: Every filter housing undergoes pressure-testing to ensure zero-leakage performance under normal operating pressures.


The MEISON Advantage 
  • Factory-Direct Expertise: "Factory-Direct Expertise. Professionally Curated." — 20+ years of hydraulic manufacturing leadership.
  • Global Trusted Partner: Over 1,000,000 units sold to 6,000+ satisfied customers worldwide.
  • Innovation & R&D: 60+ technical patents support our commitment to high-performance, precision-engineered hydraulic components.
  • Cinematic Industrial Image: Our design focus on technical authority and professional aesthetics helps you build immediate, long-lasting trust with B2B buyers.

Product FAQ 
  • How often should the filter element be replaced? 
  • A: Replacement frequency depends on your system's duty cycle and fluid cleanliness levels. We recommend replacing elements based on the differential pressure indicator or during routine maintenance intervals (e.g., every 500-1000 operational hours).

  • Can I use different filtration ratings? 
  • A: Yes, we offer various filter element ratings (e.g., 5μm, 10μm, 20μm) to suit the specific cleanliness requirements of your valves and pumps.

  • Are the filter elements compatible with synthetic hydraulic fluids?
  • A: The standard filter media is compatible with most mineral oils. For specialized fire-resistant fluids, please consult our engineering team for custom element material options.


(Frequently Asked Questions)

You are manufacturer or trading company?

We are a direct manufacturer, Dongxu Hydraulic Machinery Co., Ltd.
This means you get the most competitive factory price and direct technical support. There are no middlemen or traders involved. You are welcome to visit our factory at any time.

Can I have OEM service and put my logo on products or packaging?

Yes, OEM service is available. We offer customized solutions including brand logo printing, custom color painting, special thread types (G/BSPT/NPT), and SAE flange connections. Your brand identity is respected .

What is the lead time for this model?

It depends on the quantity. Shipment typically occurs within 10–15 business days after order confirmation. For large OEM orders, please contact us for confirmation.

What warranty services do you offer?

We offer a 12-month comprehensive warranty. In addition, we provide extended warranty and maintenance packages.
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