Small Bore Diaphragm Air Cylinder

Brand: Marsh Bellofram Group of Companies

Bellofram’s 0.38 and 1.7 sq. inch effective area diaphragm cylinders combine the performance of the diaphragm cylinder with small size.

Two different stroke options are available in each size, with either flush or extended rods on 0.38 sq. inch cylinders.

Only spring return varieties are available.
  • Very smooth, “Non-Jarring” action. 
  • Compact Sizes. 
  • Low Hysteris. 
  • Perfect for OEM’s. 
  • Many Mounting Options.



  • 0.384 Sq. in

Maximum Operating Pressure

  • 125 psi

Rod Type

  • Flush
  • 3/4”

Enclosure / Body Material

  • Aluminum Alloy
  • Die-Cast Aluminum

Material of Construction

  • Rod: Carbon Steel
  • Bearing: Bronze

Diaphgram Material

  • polyester Fabric Reinforced Nitrile


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