Pneumatic Products

Button Style Couplings & Nipples

The button style couplings are a range of ISO 6150 C couplings that disengage in two steps to vent residual air. The couplings comply with ISO 4414 and are interchangeable with several other brands on the market.
  • Series 291, DN 5.5

    DN 5.5 mm (7/32"). Flow capacity of 640 l/min (22.6 CFM). Max working pressure 12 bar (170 PSI). Made of steel. Button style coupling. ISO 6150 C.

  • Series 381, DN 8

    DN 8 mm (5/16"). Flow capacity of 1,050 l/min (37.1 CFM). Max working pressure 10 bar (150 PSI). Made of steel. Button style coupling. ISO 6150 C.

  • Series 471, DN 11

    DN 11 mm (7/16"). Flow capacity of 2,350 l/min (83.0 CFM). Max working pressure 8 bar (116 PSI). Made of steel. Buttob style coupling. ISO 6150 C.