Actuators
Hopkinsons manufactures two types of Pneumatic Actuators, diaphragm and piston.
There is a choice of mechanical handwheel and limit stops to suit all.

Diaphragm:
Direct (A40), Reverse (A41)

Sizes:
320 to 1610 cm² (50 to 300"²)

Piston:
Direct (A50), Reverse (A51), Double (A36)

Sizes:
320 to 3220 cm² (50 to 600"²)