Few work processes, no leaks, does not damage the base material!! Just insert and pull into the processing hole, and it can withstand 500 bar with the sealing plug.
ISO TS16949 certification obtained - High-pressure compatible pull-out type expander Plugs to fill unnecessary holes created during processing - Simple process of just inserting and pulling - No adhesives required - Large machining hole tolerance - No reaming required ⇒ Significant reduction in labor hours - Pure mechanical seal - Unique surface contact seal ⇒ High reliability with no debris, no leaks, and no scratches Matsui Co., Ltd. is the exclusive distributor for Koenig expander plugs in Japan! *For more details, please refer to the materials available by clicking "Download Catalog."
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basic information
■Guaranteed Operating Pressure: 500 bar ⇒ Blowout Pressure: 1600 bar ■SK Series Operating Procedure 1. Insert the EXPANDER into the processing hole 2. Pull the mandrel This is the basic workflow!! ⇒ No complicated processes like tapping, adhesive application, or reaming are necessary!! ■Product Lineup There are two types within the series ⇒ A type that can be installed deep into the processing hole, expanding the range of use!! ・SK550 Series Standard Type Material: Sleeve: Case-hardened steel, blue finish Mandrel: Heat-treated steel, special oil film coating Compatible Hole Diameter: Φ4–10mm (tolerance +0.12mm) ・SK552 Series Type that can be installed 30mm deep from the end face Material: Sleeve: Case-hardened steel, blue finish Mandrel: Heat-treated steel, special oil film coating Compatible Hole Diameter: Φ4–10mm (tolerance +0.12mm) ■Certification Standards ISO9001, ISO14001, ISO TS16949, Airbus Certificate ■Equipped Devices Passenger cars, aircraft, railways, machine tools, robots, and many others
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Not only hydraulic pressure, but also fluid pressure is used in our mechanical products. For individual adoption examples, please feel free to contact us. Additionally, we also introduce other series of EXPANDER on the Matsui special site. Please refer to that as well.
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Company information
Thanks to your support, Matsui Corporation has a history that exceeds 75 years since its establishment. We cherish the trust and achievements we have cultivated during this time and have continuously responded to new market needs under the fundamental spirit of "We are professionals." The corporate symbol, renewed on the occasion of our 50th anniversary, consists of four squares that symbolize stability and cooperation. Three squares represent the core business areas of Matsui: "General Industry," "Marine Industry," and "International Trade," while the diamond shape represents the wisdom and shared consciousness of the employees who support these areas. As indicated by the corporate symbol, Matsui will continue to gather the wisdom and vitality of its employees and challenge itself as a proposal-oriented company in these three major business fields. *Our website has been renewed. Please take a look.* https://www.matsui-corp.co.jp/ *You can view an interview with our former president, a key figure.* https://www.ipros.jp/advertising/detail/29820?secure=true
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