Pneumatic SI Coupler

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Pneumatic SI Coupler

Quick sealing connectors are used to very easily seal on test parts which have smooth cylindrical connections. You can seal on the internal (ID) or the external diameters (OD) of your part. 

Choose from the following dimensions (ID mm x OD mm)

All products are shipped from ATEQ USA, located in Livonia, Michigan.

SKU: PSI0 Categories: ,


Pneumatic SI Coupler-These quick couplers can be triggered either semi automatic (SIM or SAM) with a press to release button or they can be actuated manually with a cam pressed seal (MSI, MSA) or they can be triggered automatically by your leak or flow test ATEQ instrument equipped with the “auto connector” option (SI or SA).


  • Test Pressure : Up to 3 Bar
  • With Pneumatic cylinder ,up to 10 bar
  • Piloting pressure : 4-5 bar
  • Body material: Aluminum, black anodizing
  • Rubber material: Polyurethane-50 –55 Shore `A’ hardness
  • Range: 10 mm to 85 mm diameter
  • Life of seal: 3000 cycles


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