Bimba US-1215.5 Ultran® Rodless Actuator Cylinder, 1-1/4" Bore 15-1/2" Stroke

Bimba Ultran® US-1215.5 is a rodless pneumatic actuator designed to provide linear motion in applications where space constraints or long strokes make conventional rod cylinders impractical. This model features a 1-1/4 inch bore and 15-1/2 inch stroke, utilizing a stainless steel carrier and precision sealing system for smooth operation, durability, and efficient force transmission in industrial automation systems.
Manufacturer: Bimba Manufacturing Company
Model: US-1215.5
Series: Ultran® Rodless Actuator
Product Type: Rodless Pneumatic Cylinder
Action Type: Double acting
Bore Size: 1-1/4 in (31.75 mm)
Stroke Length: 15-1/2 in (393.7 mm)
Actuation Method: Air pressure-driven piston with external carriage coupling
Cylinder Design: Rodless, band-type sealing system
Body Material: Aluminum alloy (extruded tube)
Carriage Material: Aluminum or steel carriage block
Rod/Carrier Material: Stainless steel (high strength, corrosion resistant)
Sealing System: Internal piston seal with external sealing band to prevent air leakage
Operating Pressure Range: Typically 20 to 150 PSI (0.14 to 1.03 MPa)
Maximum Pressure: 150 PSI
Operating Medium: Filtered compressed air
Temperature Range: -20°C to +80°C (non-freezing conditions)
Speed Range: Approximately 50 to 1500 mm/s depending on load and air supply
Cushioning: Optional/limited cushioning depending on configuration (not always adjustable)
Mounting Options: Flexible mounting through body extrusion or carriage mounting interfaces
Port Size: Typically 1/8" or 1/4" NPT (varies by configuration)
Port Location: End ports integrated into cylinder body
Guidance: External load supported by carriage (not internally guided version)
Lubrication: Pre-lubricated, additional lubrication not required but compatible
Load Capability: Designed for mid-range loads with proper external guidance if needed
Stroke Tolerance: Standard industrial tolerance (approx. ±1 mm)
Weight: Approx. 2–3 kg (estimated for given size)
Manufacturing Country: United States
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