Tel: +86-136-7151-8833           E-mail: china@johnsonslot.com

FAQ

  • Q What is self cleaning strainer?

    A The Self-Cleaning Strainer is a high-efficiency filtration device that automatically removes impurities from the filter screen via pressure differential or timer-activated cleaning mechanisms. It is widely applied in industrial water treatment, petrochemical, and food and beverage industries, and is particularly suited for scenarios involving high contaminant loads or corrosive media.
  • Q What materials are commonly used for wedge wire manufacturing?

    A Wedge Screen is mainly made of stainless steel (304/316L), Hazelloy, titanium alloy and polypropylene (PP/PVDF) and other materials, its all-welded structure ensures high stability, V-shaped wedge wire design combined with material characteristics, to achieve anti-blockage, self-cleaning and health safety. Meet the diversified needs of industrial filtration for temperature resistance (-200℃ to 550℃), pressure resistance (above 30MPa) and precision separation. 
  • Q How does a self-cleaning water filter work?

    A The self-cleaning filter uses a ​pressure sensor or ​timer to trigger cleaning.  It monitors screen pressure during filtration, and ​when thresholds are exceeded, activates ​backwash, brushing, or ultrasound modes.  Using reverse flow, rotating brushes, or sound waves, it removes contaminants ​without downtime (5-60 seconds).  This boosts reliability and efficiency for industrial, municipal, and specialized water systems.
  • Q What is a wedge wire screen?

    A The Wedge wire Screen is a precision filtration device based on the V-shaped wedge wire wound and support rod welded structure for efficient solid-liquid/gas separation. The design of the V-shaped structure is narrow outside and wide inside to reduce the particle stuck, and has the characteristics of anti-clogging and self-cleaning (impurities are easy to fall off when backwashing). Widely used in petrochemical, water treatment, food medicine and other fields, is a variety of filter components.
  • Q How long has your company been established?

    A Established in 2016,SLOT is dedicated to manufacturing wedge wire screens.we provide customers with comprehensive, one-stop filtration solutions.
  • Q What international certifications have your products passed?

    A SLOT has obtained ISO9001 quality management system certification and achieved certification from SGS ,demonstrating our commitment to quality management.
  • Q How do you guarantee the quality of your products?

    A Through the whole process quality control system + strict testing standards + customer co-creation verification triple guarantee, to ensure that every product meets or exceeds the industry performance requirements.
OUR PRODUCTS
Hebei Slot Filter Technology Co.,Ltd.
Hebei Slot Filter Technology Co., Ltd. is a manufacturer of stainless steel V-shaped wedge wire filter products with high filtration accuracy, non-clogging, easy cleaning, low maintenance costs and long life.

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 Tel: +86-13671518833
 E-mail: china@johnsonslot.com
 Address: No.62,Lvcaicheng,Anping County,
Hebei Province,China
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