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Pneumatic Linear Actuators
Pneumatic Linear Actuators
VAAS Industries offers a range of bi-directional valves designed to handle difficult media such as abrasive slurries. The company also manufactures a range of double-acting pneumatic cylinder actuators for their valves. The actuator design features an FRP cylinder tube and a unique PTFE piston seal that is energised with a nitrite O-ring. The cylinder tube is coated with a low friction lubricant and together with the PTFE piston seal, offers the minimum possible friction. This combination allows operation in normal plant air; lubricated air is not necessary. The piston rod seal employs a unique wiper design, which makes it possible to use this actuator even in very dusty environments. Options: the actuators are available in bore size 80 mm to 500 mm and with different strokes. These can be retrofitted into VAAS knife gate valves without any additional parts. Metal tube and viton seals are available for high temperature application environments.