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Help Center304 Stainless Steel Circular Blowing Filter Element 5 Micron Pleated for Hydraulic Oil Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer established in 1998 with over two decades of expertise in filtration solutions. Our 304 Stainless Steel Circular Blowing Filter Element 5 Micron Pleated for Hydraulic Oil Filtration is engineered to deliver exceptional performance in demanding hydraulic systems. Crafted from premium 304 stainless steel, this filter element combines robust construction with high-efficiency pleated design, ensuring reliable removal of contaminants down to 5 microns. Whether you are operating in heavy machinery, industrial equipment, or mobile hydraulics, this product provides consistent protection for your hydraulic circuits, extending equipment life and reducing downtime. With annual export values exceeding US$5 million to global markets across North America, Europe, Asia, and beyond, our factory is committed to quality and customer satisfaction.
Key Features & Technical Specifications
- Premium 304 Stainless Steel Construction: Corrosion-resistant and durable, suitable for a wide range of hydraulic oils and fluids, including mineral oils, synthetic esters, and water-glycol mixtures.
- 5 Micron Absolute Filtration Rating: Removes fine particles, silt, and wear debris, meeting ISO 4406 cleanliness standards for high-performance hydraulic systems.
- Pleated Design for High Surface Area: The pleated structure increases effective filtration area by up to 300% compared to standard mesh filters, offering lower pressure drop and higher dirt-holding capacity.
- Circular Blowing Configuration: Designed for inline or return-line installation with barbed or threaded connections, allowing easy integration into existing hydraulic loops.
- Reusable and Cleanable: The stainless steel media can be backwashed or ultrasonically cleaned, reducing replacement costs and waste.
- High Temperature & Pressure Tolerance: Operates reliably in temperatures from -20°C to 120°C and withstands differential pressure up to 21 bar (300 psi).
- Customizable Options: Available in various diameters, lengths, end cap styles (open, closed, with gaskets), and micron ratings (1–200 µm) to suit specific OEM and aftermarket requirements.
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel (AISI 304) |
| Filtration Rating | 5 Micron (nominal / absolute) |
| Maximum Operating Temperature | 120°C (248°F) |
| Maximum Differential Pressure | 21 bar (300 psi) |
| Flow Rate | Up to 100 L/min (depending on size and fluid viscosity) |
| Connection Type | Blowing (inline) – available with BSP, NPT, or custom threads |
| Outer Diameter | 50 mm – 150 mm (customizable) |
| Length | 100 mm – 500 mm (customizable) |
Benefits for Your Hydraulic System
- Enhanced Equipment Protection: By removing 5-micron particles, this filter element prevents premature wear of pumps, valves, and actuators, reducing maintenance costs.
- Extended Oil Life: Clean hydraulic oil stays effective longer, lowering replacement intervals and disposal expenses.
- Energy Efficiency: Low initial pressure drop and high dirt-holding capacity mean less energy consumed by the pump, improving overall system efficiency.
- Versatile Compatibility: Works with most hydraulic fluids, including mineral oils, fire-resistant fluids, and biodegradable oils.
- Environmentally Friendly: Reusable stainless steel media reduces waste compared to disposable paper or synthetic filters.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been dedicated to manufacturing high-quality wire mesh and filtration products. Our factory in Hengshui, Hebei, China, is equipped with advanced pleating and welding machinery, ensuring consistent product quality. With annual export values between US$5 million and US$10 million, we serve clients in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our experienced team can provide customized solutions, including special end caps, gaskets, and micron ratings, tailored to your specific hydraulic system. We offer competitive pricing, reliable lead times, and responsive after-sales support. Contact us today to request a quote or sample, and experience the Boli difference in hydraulic filtration.
Frequently Asked Questions (FAQ)
Q1: Can this filter element be cleaned and reused?
A: Yes, the 304 stainless steel media is cleanable. You can backwash it with clean fluid or use an ultrasonic cleaner. Avoid using harsh chemicals that may damage the metal. Proper cleaning restores most of its filtration capacity.
Q2: What hydraulic fluids are compatible?
A: This filter element is compatible with mineral oils, synthetic esters, water-glycol mixtures, phosphate esters, and biodegradable hydraulic fluids. For specific compatibility with your fluid, please consult our technical team.
Q3: What is the maximum operating temperature?
A: The maximum continuous operating temperature is 120°C (248°F). For short-term peaks up to 150°C, please contact us for special design options.
Q4: Can I get custom dimensions?
A: Absolutely. We offer custom outer diameters, lengths, and end cap configurations. Minimum order quantities may apply, but we are flexible for both OEM and aftermarket projects.
Q5: What is the pressure drop across the filter?
A: The initial pressure drop depends on flow rate and fluid viscosity. Typically, for a 100 mm long element at 50 L/min flow with 32 cSt oil, the clean pressure drop is about 0.2 bar. The recommended change-out differential pressure is 2.0 bar.
Q6: Is this filter element suitable for high-pressure systems?
A: The standard design withstands up to 21 bar differential pressure. For higher pressure applications (e.g., 42 bar), we can reinforce the core and end caps. Please specify your requirements.
Q7: How is the filter element packaged for export?
A: Each element is individually wrapped in plastic and packed in sturdy cartons with foam inserts to prevent damage during shipping. We also offer vacuum packaging for moisture-sensitive applications.
Q8: Do you provide samples before bulk order?
A: Yes, we offer samples for testing and qualification. Please contact our sales team with your specific requirements, and we will provide a sample quote.
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