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  1. Home
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  5. Special function opening
  6. Removable Machine Hatch Flat Type THF

Removable Machine Hatch Flat Type THF

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THF

last updated:Jun 24, 2025

サンワイズ 本社
サンワイズ 本社
  • Official site

No unevenness, easy to manage hygiene! Detachable panel flat type.

Flat-type removable machine hatch with minimized protrusions ◇THF40◇ Windows and doors installed on the walls of clean rooms need to eliminate protrusions that could obstruct airflow as much as possible. This is a flat-type removable machine hatch that reduces the number of tightening handles and grips for each panel. Additionally, even for tall machine hatches, no ladder or similar equipment is required for the removal and installation process. ◇THF50◇ Typical removable machine hatches have exposed tightening handles and grips to secure the removable panels. In clean rooms, dust and debris can accumulate on these hardware protrusions, and the protrusions can disrupt airflow within the clean room, potentially affecting product quality. The full flat-type removable machine hatch "THF50" features a design that minimizes surface protrusions to the utmost, meeting the highest JIS airtightness performance grade, A-4. It is the ultimate removable machine hatch for clean rooms, ideal for industrial clean rooms (ICR) in semiconductor and precision manufacturing, as well as for bio clean rooms (BCR) that consider GMP and HACCP standards.

    Interior/Interior DoorsSpecial function openingInterior construction
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Removable Machine Hatch Flat Type THF

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  • Related Link - https://www.sunwizz.co.jp/product-db/item_40

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basic information

Custom dimensions in 1mm increments for everything! 【THF40】 ✔ A flat panel that reduces protrusions that disrupt airflow in clean rooms. ✔ The interior of the panel is a combination of an aluminum frame and honeycomb material or styrene foam (non-combustible options use non-combustible polystyrene foam), making it very lightweight. ✔ The four-sided frame can be optionally changed to a removable lower frame. ✔ There are plenty of options for windows and grilles. * There is a step at the edge. 【THF50】 ✔ A fully flat detachable machine hatch without tightening handles, with minimal fixed hardware and handles. ✔ With no unnecessary protrusions, dust, powder, and debris are less likely to accumulate, making cleaning easy. ✔ The frame has the same dimensions as the panel, so it does not protrude from the panel. ✔ The interior of the door consists of aluminum profiles and insulation, while the surface is made of 0.4mm thin steel plate, making it lightweight. ✔ The frame and door are tightly sealed with gaskets, meeting the highest JIS airtightness grade A-4. * The handles and fixed hardware may slightly protrude due to thickness. We ship anywhere in the country. Please feel free to contact us!

Price information

Since this is a custom-made product, we will provide a quote each time.

Delivery Time

Please contact us for details

※Since it is a custom-made product, the price may vary depending on the details. Please feel free to contact us.

Applications/Examples of results

Bento factory, side dish factory, seafood processing plant, meat processing plant, dairy processing plant, confectionery factory, bakery, fruit and vegetable market, soft drink factory, sake brewery, school lunch center Semiconductor device manufacturing, printed circuit board manufacturing, LCD panel manufacturing, chemicals, glass curing room, various painting booths University hospital, general hospital/clinic, cancer center, blood center, public health center Pharmaceutical manufacturers, cosmetics manufacturers National and public universities/private university research facilities, agricultural high school/technical high school research facilities, prefectural health and hygiene research institutes, machinery manufacturer environmental testing facilities, general corporate research and development facilities Supermarkets, convenience stores, pharmacies Transport company logistics centers, food manufacturer logistics warehouses, distribution centers

Detailed information

  • thf50_sekou_01.png

    THF50-4 square frame - 3-piece split

  • thf50_sekou_01open.png

    THF50-4 square frame - 3-piece split

catalog(2)

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Detachable Machine Hatch Series

Detachable Machine Hatch Series

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Full flat detachable machine hatch THF50

Full flat detachable machine hatch THF50

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News about this product(2)

Screw to be used: Pan head cross stainless steel drill screw 4×50.

Changed the outer frame fixing screws of the opening door series.

  • Product news

Traditionally, the screws for fixing the outer frame of hinged doors have been flat-head tapping screws. However, as the use of aluminum cap channels for the panel opening has become mainstream, we have received feedback that tapping screws, which require a pilot hole, are inconvenient. Therefore, we have decided to change the standard accessory screws for fixing the outer frame of the products listed below to flat-head drill screws. The traditional flat-head tapping screws will still be available. If you prefer those, please inform our sales representative at the time of your order.                       Details   Products for which the outer frame fixing screws are changed:    ・ DR30, DR40, DR34    ・ TH30, TH40, THF40, TK30    ・ DK30, DK40, DK34    ・ DS40, DSS40    * For DIR40 and TIH40, we will continue to ship the traditional flat-head tapping screws.                           End

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Change the product name from "Detachable Panel" to "Removable Machine Hatch."

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The removable wall panel, which has been referred to as a "removable panel," will now be named "removable machine hatch." In architectural terms, a machine hatch generally refers to the entrance for equipment and machinery. While some may associate it with lid-type inspection openings installed in floors or doors and steel shutters for transporting equipment and machinery on upper floors, Sanwise's "removable machine hatch" is designed to be used as a wall under normal circumstances, and can be removed to create an opening for the transport of equipment and machinery when needed. Once the work is completed, it can be used as a wall again, truly embodying the concept of a "removable" "machine hatch." There will be no changes to the specifications or appearance compared to the previous removable panel. The name change will take effect from March 1, 2012.

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サンワイズ

サンワイズ 本社

Building materials, supplies and fixtures manufacturers

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In clean rooms and various testing rooms, the "observation windows" and "entrance doors" installed as equipment require various functions (such as airtightness and thermal insulation) that differ from standard architectural fittings. Sanwise Corporation develops, manufactures, and sells such specialized fittings for equipment. From small inspection openings to large doors for the entry and exit of machinery, sizes vary, and functions range from static electricity prevention to thermal insulation and high airtightness. Each item is custom-made to meet the specific requests of our customers. We respond promptly to inquiries and quote requests, so please feel free to consult with us!

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