Heavy-Duty Pneumatic Air Cylinders


AutomationDirect’s NITRA™ pneumatic product line now includes D-Series heavy-duty air cylinders ideal for applications where abusive conditions are a concern. NITRA D-series heavy-duty pneumatic air cylinders are interchangeable with other popular brands of NFPA cylinders. The heavy-duty double-acting cylinders are constructed with high quality aluminum components, including a magnetic piston fitted with a PTFE wear band.  The magnetic piston can be used along with solid-state or reed switches for rod position sensing. The cylinders are also fitted with a Teflon-impregnated and hardcoat anodized heavy–duty external rod bearing to ensure smooth rod motion while maintaining rod rigidity and stability.

With a maximum operating pressure of 250 psi, this series includes bore sizes from 1 ½ inch up to 4 inches; depending on bore size, available stroke lengths range from one inch to 24 inches.

Optional flange attachments, as well as nuts and rod clevises, are available. Prices for NITRA


  • high quality aluminum components
  • maximum operating pressure of 250 psi
  • bore sizes from 1 ½ inch up to 4 inches
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