Figure 257 Stainless Steel Vertical

• Keystone technology.
• Fast and reliable quarter turn operation makes it suitable for use with butterfly, ball and plug valves.
• Only one external air supply line is required with our internally air ported actuator, when used with the Keystone control head.
• Constructed from corrosion resistant materials.
• Designed with an optimized piston helix to provide maximum torque output.
• Double acting or spring return models available.
• Fully contained spring module, to help ensure safety to maintenance personnel.
• Maintenance friendly.
• Site repairable.
• Modular bridge clamp mounting for easy actuator change-out.

General Applications:
Brewery
Dairy
Winery
Cannery
Food processing
Pharmaceutical
Chemical
Beverage

Technical Data
Air Supply:
Double Acting (DA) 300 kPa to 800 kPa max. (3 bar to 8 bar)
Spring Return (SR) 550 kPa to 800 kPa max. (5.5 bar to 8 bar)