Replace the right part. Keep the system working.

クリーンルーム機器のスペアパーツ

Prepare for maintenance with replacement parts matched to your installed equipment. Explore FFU components, air shower controls, pass box hardware, AHU parts and door accessories. Share the equipment model, dimensions and electrical details so compatibility can be checked before ordering, helping your team avoid look-alike parts that do not fit, connect or perform as the original system requires.

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FFU Replacement Components

Air Shower Controls

AHU Replacement Coils

Identify compatibility before orderingUse model information, photographs and dimensions to narrow the replacement selection beyond visual resemblance.

Prepare for routine maintenanceGroup filters, seals and wear components around the equipment your facility already operates.

Keep connected functions in viewMatch electrical supply, control signals and mechanical interfaces when replacing functional components.

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Explore Cleanroom Equipment Spare Parts

FFU Spare Parts

Maintain fan filter units with compatible motors, impellers, controls and filters. Match electrical signals, operating performance and sealing details to the FFU before confirming replacement components.

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Air Shower Spare Parts

Replace air shower airflow, sensing and door-control components according to the installed system. Check the blower arrangement, controller connections and interlock functions rather than selecting by appearance alone.

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Pass Box Spare Parts

Maintain pass box doors and control functions with matched locks, hinges, seals and accessories. Confirm dimensions, electrical connections and the original operating sequence before ordering a replacement.

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AHU Spare Parts

Source air handling unit components for planned maintenance or assessed faults. Compare fan performance, coil connections, filter dimensions and humidity-control compatibility against the actual installed AHU.

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Cleanroom Door & Window Spare Parts

Keep cleanroom openings operating with compatible closers, locks, seals and automation parts. Identify the door construction, mounting pattern and control requirements to choose a suitable replacement.

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Lighting, Sensor & General Replacement Parts

Replace supporting electrical, sensing and mechanical items with attention to their interfaces. Check driver ratings, sensor outputs, actuator travel or fitting dimensions according to the component involved.

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A useful spare is one that fits the installed system

Replacement components need more than a matching product name. A fan must suit the required operating point, a controller must support the connected motor and signals, and a gasket must fit the sealing surface. Equipment-specific information is the fastest route to a meaningful parts quotation.

Some items are routine consumables, while others affect airflow, interlocking, control or safety functions. Distinguish preventive replacements from fault repairs, and identify the cause of a failure before assuming a new part will resolve it.

STjh brings commonly requested cleanroom replacement items into one range. Supply the nameplate details, part markings and installation photographs wherever possible. For critical components, installation and functional verification should follow the equipment manufacturer's instructions and the site's maintenance procedures.

Solutions for Your Purchasing Challenges

A replacement looks correct but has different connections.

Compare part numbers, mounting dimensions, connector type and electrical ratings before confirming the order.

A replacement fan changes the equipment's airflow behavior.

Match the required airflow and pressure operating point, control method and available installation space.

Filter replacement leaves uncertainty about the seal.

Select the correct frame size, depth and gasket or gel interface, followed by the required installation and integrity checks.

Maintenance stops while small wear items are sourced separately.

Build an equipment-based list of filters, seals, hardware and other planned replacement items for coordinated purchasing.

Match Products to Your Working Environment

Planned preventive maintenance

Organize commonly replaced filters, gaskets and wear items around the installed equipment schedule.

Equipment fault repair

Identify compatible motors, controls, sensors and hardware after the fault has been assessed.

Facility spare-parts stocking

Prepare a practical stock list using equipment models, criticality and actual replacement history.

Find the Products You Need

Pass Box Spare Parts

Questions Before You Order

Can you identify a part from a photograph?

A photograph is a useful starting point, but it may not reveal voltage, dimensions or control compatibility. Include the equipment nameplate and part markings, plus measured dimensions where possible.

Are same-size FFU filters interchangeable?

Not automatically. Filter depth, airflow resistance, required filtration performance and the gasket or gel-seal arrangement also need to match the FFU and its intended operation.

Can a motor or controller be upgraded during replacement?

Possibly, but it requires checking the complete interface: supply, control signals, mounting and performance. An apparent upgrade should not be treated as a direct substitute without that assessment.

Find the replacement your equipment actually needs

Send the equipment model, part markings, photographs and quantity. We can help check the relevant options and prepare a focused spare-parts quotation.

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