Biffi ALGA/ALGAS/ALGAS-QA

Biffi ALGA/ALGAS/ALGAS-QA

Biffi ALGA/ALGAS/ALGAS-QA are double acting and spring return pneumatic quarter turn actuators for on-off and modulating control of valves in heavy duty service. Available for output torques to 750,000 Nm.

Any questions?

Erik Rune
Solution Seller
Phone. +46 54-57 92 31

Erik.Rune@askalon.se

Fredrik Ekeroth
Solution Seller
Phone. +46 54-57 92 06

Fredrik.Ekeroth@askalon.se

Joachim Nyqvist
Solution Seller
Phone. +46 54-57 92 17

Joachim.Nyqvist@askalon.se

Joakim Karlsson
Solution Seller
Phone. +46 54-57 92 16

Joakim.Karlsson@askalon.se

Anders Praem
Inside Sales Engineer
Phone. +45 2137 7759

Anders.Praem@askalon.dk

Frank Kirk Hansen
Area Account Manager West
Phone. +45 4053 6511

Frank.Kirk@askalon.dk

Kenn Gerwien
Area Account Manager East
Phone. +45 2346 5513

Kenn.Gerwien@askalon.dk

Jani Collan
Key Account Manager
Mob. +358 40 702 8711

Jani.Collan@askalon.fi

Design pressure (MAWP) up to 12 barg
Supply medium Air, nitrogen or sweet gas (Sour gas version available)
Output torque ALGA Double-Acting torque up to 1000000 Nm
Output torque ALGAS/ALGAS-QA Spring starting torque up to 335000 Nm
Ambient temperature standard range -20 to +100 °C / -4 to +210 °F
Extended temperature -60 to +135 °C / -70 to +275 °F
Safety Integrity Level (IEC 61508-1÷7:2010) SIL 3
Area Classification (ATEX) II 2GD
Enclosure standards (IEC 60529) IP66, IP66M, IP67M
Enclosure standards (ANSI/NEMA 250) NEMA 4, 4X, 6
Pressure Equipment Directive 2014/68/EU
Machinery Directive 2006/42/EC
  • 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

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