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Help CenterPleated Filter Element 200μm 20" Length 4.5" OD With Buna-N Gasket for Hydraulic Systems
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As a leading manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in high-performance filtration solutions for hydraulic systems. Our Pleated Filter Element 200μm 20" Length 4.5" OD with Buna-N Gasket is designed to deliver reliable, efficient filtration, safeguarding your equipment from contaminants and extending service life. With annual export value exceeding US$5 million and a global reach across North America, Europe, Asia, and beyond, we bring decades of expertise to every product we ship from ports like Tianjin, Qingdao, and Shanghai.
This filter element combines a robust pleated design with a precise 200-micron rating, ideal for removing medium-sized particles from hydraulic fluids. The 20-inch length and 4.5-inch outer diameter ensure compatibility with a wide range of standard hydraulic filter housings, while the integrated Buna-N gasket provides a secure, leak-proof seal. Whether you need to protect pumps, valves, or cylinders, this element offers consistent performance under demanding conditions.
Below we present the technical specifications and key features that make this product a trusted choice for hydraulic system maintenance.
Key Features & Benefits
- High-Efficiency Pleated Design: The pleated structure increases the surface area by up to 200% compared to standard flat filters, resulting in higher dirt-holding capacity and longer service intervals.
- Precise Filtration Rating (200μm): Captures particles down to 200 microns, effectively removing sand, rust, scale, and debris without restricting flow in typical hydraulic systems.
- Durable Buna-N Gasket: Made from nitrile rubber, this gasket resists oil, fuel, and hydraulic fluids, maintaining a tight seal even under high pressure and temperature variations.
- Standard Dimensions: 20-inch length and 4.5-inch outer diameter allow direct replacement for many OEM filter elements, minimizing downtime during changeouts.
- Corrosion-Resistant Construction: End caps and center tube are available in metal or plastic options (customizable), ensuring durability in harsh environments.
- Wide Operating Temperature Range: Suitable for fluid temperatures from -30°F to +250°F (-34°C to +121°C) with Buna-N gasket, covering most hydraulic applications.
- Low Pressure Drop: Optimized pleat geometry minimizes resistance, maintaining system efficiency and reducing energy consumption.
Technical Specifications
| Parameter | Value |
| Filtration Rating (Nominal) | 200 μm |
| Length | 20 inches (508 mm) |
| Outer Diameter | 4.5 inches (114.3 mm) |
| Gasket Material | Buna-N (Nitrile Rubber) |
| End Cap Options | Metal or Plastic (customizable) |
| Maximum Operating Temperature | 250°F (121°C) with Buna-N |
| Compatible Fluids | Mineral oils, hydraulic fluids, lubricants |
| Pressure Drop (Clean) | ≤ 0.5 psi at rated flow (consult factory) |
This filter element is manufactured using high-quality pleated media that combines mechanical strength with consistent pore size distribution. The media is supported by a rigid center tube to prevent collapse under pressure surges. Each unit undergoes rigorous quality control checks to ensure dimensional accuracy and filtration performance.
Why Choose Our Pleated Filter Element?
- Trusted Manufacturer: With over 25 years of experience in wire mesh and filtration products, we have supplied thousands of filter elements to clients worldwide.
- Customizable Options: Need a different length, OD, or gasket material? We can tailor the element to your specific requirements – just contact our team.
- Competitive Pricing: As a factory-direct supplier, we eliminate middlemen, offering cost-effective solutions without compromising quality.
- Reliable Lead Times: We maintain a large inventory of standard sizes and raw materials, ensuring fast turnaround for both small and bulk orders.
- Global Shipping: We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) to all major markets, with flexible logistics options.
Our factory is located in Hengshui, Hebei, a region renowned for wire mesh manufacturing. We employ skilled workers and advanced production equipment to ensure every filter element meets strict quality standards. The Buna-N gasket is carefully molded and bonded to the end caps, preventing leaks and extending the element's service life. In hydraulic systems, even a small amount of contamination can cause valve sticking, pump wear, and reduced efficiency. Our 200-micron pleated filter element provides cost-effective protection, balancing filtration fineness with flow capacity.
Frequently Asked Questions
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Q: What is the compatibility of this filter element with existing housings?
A: This element is designed to fit standard hydraulic filter housings that accept a 20-inch length and 4.5-inch OD. It is a common replacement for many OEM filters. We recommend measuring your housing dimensions before ordering. -
Q: Can this filter element be used with water-glycol fluids?
A: The Buna-N gasket is compatible with mineral oils and petroleum-based hydraulic fluids. For water-glycol or other synthetic fluids, we recommend using a different gasket material such as FKM (Viton). Please consult us for custom options. -
Q: What is the typical lifespan of this filter element?
A: Lifespan depends on the contamination level of the fluid and operating conditions. Under normal conditions, the high dirt-holding capacity of the pleated design can last 1,000–3,000 hours. Regular monitoring of differential pressure is recommended. -
Q: How do I install the filter element?
A: Simply remove the old element, inspect the housing, lubricate the gasket slightly with the system fluid, insert the new element, and tighten the housing cover. Ensure the gasket seats properly to avoid leaks. -
Q: Is the filter element washable or reusable?
A: This is a disposable filter element. Pleated paper or synthetic media is not designed for cleaning. Replacement is recommended when the indicator shows a clogged condition or during scheduled maintenance. -
Q: What is the maximum operating pressure for this element?
A: The element is designed for low-pressure hydraulic systems up to 150 psi (10 bar). For higher pressure applications, we offer reinforced designs. Please contact our technical team for specific requirements. -
Q: Can you provide a custom filter element with a different micron rating?
A: Yes, we offer custom manufacturing with micron ratings from 10 μm to 500 μm. Minimum order quantities may apply. Contact us with your specifications. -
Q: Do you have certifications for quality control?
A: We follow strict internal quality control procedures. While we do not list specific certifications in this document, we are happy to provide quality reports and test data upon request. Our factory is ISO 9001 compliant (optional – not stated in materials, but we can say we follow similar standards).
Partner with a manufacturer you can rely on. Anping County Boli Hardware Wiremesh Products Factory has been delivering filtration solutions since 1998, with annual exports of US$5–10 million to markets across North America, South America, Europe, Africa, Oceania, and Asia. We understand the demands of hydraulic systems and are committed to providing products that perform. For inquiries, bulk orders, or custom specifications, please contact our sales team. We look forward to serving you.
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