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KOSO 5200 multi-spring diaphragm pneumatic actuator, linear and rotary, stroke up to 110 mm

KOSO 5200 multi-spring diaphragm pneumatic actuator, linear and rotary, stroke up to 110 mm

KOSO 5200 is a series of multi-spring diaphragm pneumatic actuators for KOSO control valves: compact, lightweight, with high thrust. Diaphragm force is balanced by a spring pack and the stem moves to the position set by the positioner; operation from a direct 20–100 kPa pneumatic signal without a positioner is also possible.

Linear range (5221LA–526LLA): diaphragm sizes 218, 270, 350, 450 and 650 mm, thrust from 2186 to 16475 N, stroke up to 110 mm. Rotary range (5221RA–524LRA): rotation up to 60°, torque from 46 to 554 Nm. Air supply 140, 300 or 340 kPa depending on size, direct and reverse action.

Options: handwheel, limit switches, KOSO positioner, air filter regulator. Climatic versions: standard −10…+70 °C, low temperature −40…+40 °C, high temperature 0…+100 °C.

Key features:

  • Multi-spring design: smaller size for the same thrust
  • Linear and rotary models in one series
  • Direct and reverse action
  • Operation via positioner or direct 20–100 kPa signal
  • Three climatic versions
  • Standard match for 501T, 501G and VeCTor valves

Specifications:

  • Type: multi-spring diaphragm pneumatic actuator
  • Linear models: 5221LA, 5227LA, 5235LA, 524SLA, 524LLA, 526SLA, 526LLA
  • Rotary models: 5221RA, 5227RA, 5235RA, 524LRA
  • Size: 218 / 270 / 350 / 450 / 650
  • Thrust, linear: 2186 / 3648 / 4315 / 7453 / 16475 N
  • Torque, rotary: 46.4 / 116.2 / 183.2 / 553.7 Nm
  • Stroke: up to 20 / 30 / 40 / 80 / 110 mm
  • Rotation angle: up to 60°
  • Supply pressure: 140, 300, 340 kPa g
  • Spring range: 20–100, 80–200, 120–300 kPa
  • Action: direct or reverse
  • Ambient temperature: −10…+70 °C; options −40…+40 and 0…+100 °C
  • Options: handwheel, limit switches, positioner, air filter regulator

Application: Actuation of KOSO control valves on steam, water and gas, replacement of diaphragm actuators on existing valves, rotary valves up to 60°.

Before ordering: Thrust is given as the rated maximum: the actuator is sized by valve pressure drop and plug area.

Specifications

Brand KOSO
Country of origin Japan
Product type Multi-spring diaphragm pneumatic actuator
Model 5200 (5200LA / 5200RA)
Application Actuation of KOSO control valves on steam, water and gas, replacement of diaphragm actuators on existing valves, rotary valves up to 60°.
SKU: KOSO-5200 Supplier: on request