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Counter Balancer Pneumatic Cylinders

Orbital

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Orbital • Counter Balancer Pneumatic Cylinders

Counter Balancer Pneumatic Cylinder for Presses

Model: BNX2-200 / BNX2-300 Series

Mounted between the press ram and the press crown frame to counterbalance the substantial weight of the slide, upper die, and connection rod. Counterbalancing permits smooth inching during die setup and eliminates gear backlash during stamping strokes.

Key Specifications:

Seamless cold drawn M.S. tube internally honed and hard chrome plated for ultra-long seal life

Piston rod ground, micro-finished, and EN-8 hard chrome plated against corrosion

Heavy-duty cast iron end covers oxidized for maximum rust prevention

Synthetic rubber seals with rigid extra-long inner lips providing an anti-twist grip

Supports 6 types of universal press mounting configurations

Non-cushion design optimized for direct dynamic counterbalance force

Typical Applications:

Mechanical power press ram counterbalanceForging press slide supportHeavy die cushioning

ENGINEERING DATASHEET

Technical Specifications

Bore Sizes Available	50 mm to 500 mm (Standard 160mm, 200mm, 250mm, 300mm)
Operating Pressure	0.5 to 10.0 bar (Tested to 15 bar)
Tube Construction	Mild Steel Seamless Honed & Hard Chrome Plated
Piston Rod	EN-8 Carbon Steel Hard Chrome Plated
Seals Material	NBR / High-temperature Viton (up to 150°C)
Operating Temperature	-10°C to +60°C (Standard) / Up to 150°C (Viton)