Biffi ALGA - ALGAS
ALGA, ALGAS and ALGAS-QA pneumatic actuators are designed for ON-OFF or modulating control of quarter-turn ball, butterfly, plug or damper style valves.
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Features:
- Totally enclosed, weatherproof housing in fabricated carbon steel for maximum strength.
- Guide bar resists transverse loads and supports the piston rod.
- Hard chromium plated alloy steel material guarantees corrosion protection and minimal friction.
- PTFE-impregnated bronze or sintered bronze bushings provide minimal friction and extended service life.
- Scotch yoke design with canted or symmetric torque arm allows close working to distinctive valve torque profiles.
- External travel stops for precise angular stroke adjustment 90° +/- 4° at each end of travel.
- Electroless nickel plated and polished cylinder provides maximum corrosion resistance and reduces friction.
- Floating type piston seals provide low hysteresis and high sensitivity, preventing sticking problems.
- ALGAS Spring-Return pack incorporates up to four springs, fully encapsulated in a factory welded cartridge ensuring
personnel safety and simplifying assembly. - ALGAS spring action can be changed easily in the field from to close to open or vice versa.
- Special coatings for offshore or corrosive environments.
Temperatur:
-20°C to +100°C (Standard range)
Design pressure (MAWP):
up to 174 psi