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ASCO™ Numatics Series UB Power Clamps
ASCO Numatics Series UB Power Clamps
The Numatics Series UB Power Clamps are available in five bore sizes, and features a fully adjustable angle for ease of operation.
The UB Series generates its high clamping forces through a toggle link mechanism. The power clamp´s opening angle can be set with or without pressure, and remains locked in closed position even when air pressure is removed. The product series features holding capacity up to 35,000 in-lbs for high strength applications.
ASCO™ Numatics Series UB Power Clamps


32 mm, 40 mm, 50 mm, 63 mm, 80 mm
Operating Environment
Corrosive, Hazardous, Indoor, Outdoor, Washdown


  • Fully adjustable opening angle
  • Manual release button to open mechanism when air pressure is removed
  • Pneumatic ports on both sides of the cylinder for installation flexibility
  • Bore sizes available: 32, 40, 50, 63 and 80mm
  • Optional 24 VDC sensor with M12 swivel connector