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Stainless Steel Pre Filter - China

price: contact company for price

Stainless steel pre-filters, also known as water purifier filter cartridges, backwash water filters, or tap water filters, are typically installed at the inlet of water pipelines.

Utilizing mechanical sieving mechanisms, they provide preliminary purification of tap water.

These devices are characterized by high efficiency, durability, extended service life, and cost-effectiveness, and are compatible with a wide range of air and water filtration systems.

Serving as the primary physical barrier and guardian for water-using equipment at the inlet of modern water supply systems, stainless steel pre-filters play a critical role in system protection.

Guangtong has long been committed to the research, development, and production of stainless steel pre-filters, consistently adhering to their core objectives of interception, protection, and lifespan extension.

If you are interested in further discussing technical details or potential collaboration opportunities regarding stainless steel pre-filters, please feel free to contact us.

Stainless Steel Pre-filter Operating Principle

Filtration Stage:

As tap water enters the inlet of the main shut-off valve, it passes through a stainless steel filtration screen.

Contaminants larger than the mesh aperture—such as sediment, insect eggs, and rust deposits—are effectively intercepted on the surface or within the pore structure of the pre-filter screen.

Purified water flows through the mesh and is delivered to downstream applications.

Flushing/Drainage Stage (Approx.

30 seconds):

For periodic maintenance (usually every 1-3 months, or depending on water pressure monitoring), the flushing valve can be opened.

The system switches to backwash mode, and the water flow direction is changed by the guide valve, flushing at high speed from the inside of the filter screen outwards, washing away impurities attached to the filter screen, and quickly discharging them through a separate drain port.


Company Contact:


  • Phone: 130 1159 6909

  • Address: No. 56, Weiyi Road, East of Economic Development Zone, Anping , Hebei , China

  • Email: Email


Published date: October 14, 2026

  • Business Description: AHT / Anping Guangtong Hardware Wire Mesh Co., Ltd. was established in 2003 and has long been committed to providing high - quality customized industrial filters and metal wire mesh products for global customers.

    We have a complete product line including various stainless-steel filter elements, metal woven meshes, vapor-liquid meshes, multi-layer sintered meshes, stainless-steel welded meshes, etc.

    Our products serve industries and fields such as petroleum, chemical engineering, aerospace, automobile and vehicle manufacturing, energy technology, hydraulic pressure, plastics and polymers, hydrogen energy and batteries, metallurgy, water treatment, food and beverage, and coal chemical industry.

    AHT / Anping Guangtong Hardware Wire Mesh Co., Ltd. aims to become a global leader in filtration solutions for the industrial field.

    Guided by the principle of continuous innovation and guaranteed by strict quality control, the company is equipped with advanced vacuum sintering equipment, high - performance vacuum electron beam welding machines, precise and comprehensive testing equipment, and a professional R & D team of hundreds of people.

    It can independently conduct filter media performance testing, design and production of filter media and stainless - steel filters, measurement of filter media and fluid cleanliness, and pollution analysis, while ensuring strict compliance with international industrial standards.

    If you need further information about our customized filtration solutions and metal woven meshes, please feel free to contact us at any time.

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