マツイ 東京本社 Official site

Ultra High Pressure Compatible Easy Installation Seal Plug Expander SK Series

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."

Expander plug

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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Applications/Examples of results

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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