Ryoka Sangyo Co., Ltd.

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Membrane Filters, Other Products

Membrane Filters

Membrane Filters

These are precision filtration membranes with uniform pore sizes. They are designed to efficiently capture particles across the entire membrane surface, enabling high-volume filtration processing while maintaining stable filtration performance. They are used in a wide range of processes, including in food and beverage, chemical, and pharmaceutical fields.

Cartridge Filters

You can select from a variety of membranes and materials, such as CPVC, PP, PES, PTFE, and activated carbon, depending on your application, processing conditions, and objectives, enabling us to meet diverse filtration needs, including fine particle removal, sterilization, and the adsorption of odors and pigments. These products are used primarily for liquid processing across a broad range of fields, including food and beverages, pharmaceuticals, chemicals, and industrial liquids.

Hollow Fiber Membrane Filters

The high-porosity hollow fiber structure ensures a large membrane surface area, delivering high filtration capabilities. Offering excellent heat and chemical resistance, these filters are suitable for liquid processing for chemicals, pharmaceuticals, and industrial liquids.

Immersion-Type Membrane Modules

These modules use membranes immersed in a tank to separate solids from raw water or other liquids, efficiently removing bacteria and fine particles. They are suitable for large-scale liquid treatment applications, such as water supply and sewage systems and industrial wastewater treatment, and produce treated water of stable quality.

Various Automatic Control Devices

As an export agent for Nichiden Kogyo Co., Ltd., we deliver high-quality automatic control devices and related products, developed by fluid control professionals, to customers overseas. We handle a wide range of products, including solenoid valves, other types of valves, air conditioning tools, and electronic circuit boards, all of which excel in precision, durability, and reliability. We also propose various unit products that address customer concerns, such as refrigerant charging support equipment and helium reuse equipment.

Product examples

  • Valves for various fluids

  • Valves for natural refrigerants

  • Electronic circuit boards

  • Various unit products

Related Group companies

Other Products

Wire Winding

We handle everything from single-unit prototyping to mass production in collaboration with partner companies. We perform bobbin forming, winding, and assembly for products such as aligned coils, flat wire coils, and aligned multi-layer coils.

Metal, Rubber Processed Products

We utilize our network of partner companies to select the optimal processing company to meet your needs. We flexibly handle everything from prototyping to mass production.

Mercury-Related Products

We sell products containing metallic mercury and its compounds and provide proper disposal services for them.

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