EFST90W Precision Filter Huahang Filter Supply

Description:

The EFST90W Precision Filter Element is a high-performance filtration component engineered to remove fine solid particulates, oil aerosols, and liquid contaminants from hydraulic fluids and compressed air systems. Manufactured as a direct, high-quality replacement for original equipment precision filters, this element delivers reliable contaminant control and seamless integration into compatible filter housings.

Constructed with a multi-layer glass fiber filtration media and reinforced with strong hydrophobic and oleophobic fibers, the EFST90W offers exceptional particle capture efficiency, low flow resistance, and structural durability. It is widely used in industrial hydraulics, compressed air purification, pneumatic systems, and process fluid filtration where maintaining fluid or gas cleanliness is critical to system reliability and component life.

Specifications:

Type	Precision Filter Element
Part number	EFST90W
Filtration accuracy	1,3,5,7,10..micron
Filter media	Customized
Origin	Henan,China
Package	Neutral carton package

Note: Exact specifications may vary depending on housing configuration and operating conditions. Huahang Filter’s engineering team can verify compatibility and provide precise specifications for your specific installation.

Structural Features:

Cylindrical Cartridge Configuration – Easy one‑hand insertion into compatible filter housings simplifies maintenance and reduces downtime.
Sloan‑Cut / Slit End Cap – Characteristic end‑cap feature frequently used as an anti‑counterfeiting measure, enabling visual validation of genuine elements and ensuring proper seating inside the housing.
Support Core – Strong perforated metal inner core provides structural rigidity, preventing media collapse under differential pressure.
Integrated Sealing – Gaskets and O‑rings are included as accessories, ensuring a leak‑free seal between the filter element and housing.
Tool‑Free Element Replacement – The housing design requires no screw threads or tie rods, allowing quick removal and replacement of the element with simple hand tools.

Applications

The EFST90W Precision Filter Element is engineered for use in a variety of industrial filtration systems where high fluid or gas purity is essential:

General Manufacturing – Protecting pneumatic tools, cylinders, valves, and actuators from contamination‑induced wear.
Automotive Industry – Paint spray booths, assembly line pneumatics, and robotic systems.
Pharmaceutical Manufacturing – Cleanroom compressed air systems, tablet coating, and packaging machinery, where ISO 8573 certified air quality is required.
Electronics and Semiconductor Fabrication – Ultra‑clean compressed air for wafer handling, printed circuit board assembly, and cleanroom environments, where even minute oil or particle contamination can cause product defects.
Textile Industry – Air jet looms, spinning machines, and material handling systems, where consistent compressed air quality ensures product quality and reduces machine downtime.
Plastics and Rubber Processing – Blow molding machines, injection molding equipment, and part ejection systems requiring reliable, contamination‑free compressed air.
Medical and Dental Equipment – Hospital central compressed air systems, dental tools, and respiratory devices, where oil‑free, particle‑free air is essential for patient safety.

Manufacturer & Supplier

Huahang Filter, founded in 2003, is an ISO 9001‑certified manufacturer specializing in pneumatic filter elements, hydraulic filters, replacement cartridges, and coalescing separators for global industrial applications. Headquartered in Xinxiang, Henan Province — renowned as one of China‘s largest industrial filtration manufacturing centers — Huahang operates a modern 26,000 m² facility staffed by over 70 professional technicians and quality control engineers.

►Why Choose Huahang Filter

Factory Strength – Vertically integrated manufacturing from raw material inspection to final assembly ensures end-to-end quality control. Our modern production lines are purpose-built for high-volume, high-precision filter manufacturing, delivering consistent, repeatable quality every time.
20+ Years of Industrial Filtration Expertise – Since 2003, Huahang Filter has specialized in producing replacement elements for hydraulic, coalescer, air, and high-flow filtration systems.
Specialized Equipment – Our facility is outfitted with advanced pleating machines, automated bonding lines, sintering furnaces, and CNC machining centers, enabling precise dimensional control and consistent media layering down to a fraction of a millimeter.
ISO 9001:2015 Certified Quality Assurance – Every filter element is dimensionally verified, pressure-tested, and media-compatibility checked before leaving our facility.

FAQ

Q: Can I clean and reuse the element?

A: No. It is disposable elements with pleated glass fiber media. Cleaning will damage the media and destroy filtration efficiency. Always replace with a new element.

Q: What micron rating should I choose for my application?

A: Typical recommendations:

1µm / 3µm – High-precision hydraulics, servo valves, instrument air, critical process gas.

5µm – Standard industrial hydraulics, general compressed air purification, pneumatic controls.

7µm / 10µm – Lubrication circuits, pre‑filtration, less sensitive hydraulic systems.

If you are unsure, contact our engineering team with your application details for a specific recommendation.

Q: Are seal materials included?

A: Yes. Each element comes with a gasket and O‑ring (FKM or NBR, depending on the configuration). No extra sealing components are required for installation.

Q: How should I store spare precision filter elements?

A: Store in a cool, dry environment away from direct sunlight, extreme temperatures, and chemical fumes. Keep in original packaging until ready for installation to prevent dust, moisture, and contamination.

Inquiry

Please feel free to submit your inquiry information to us. We will contact with you as soon as possible.

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Precision Filter Element EFST90W

Description

Specifications

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Manufacturer & Supplier

FAQ

Inquiry

Applications

►Why Choose Huahang Filter

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