Cameron Pneumatic Actuators, Ledeen VA Series
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VA Series Ledeen Pneumatic Actuator

Brand: Cameron
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Consistent engineering design and efficient modular assembly enable achieving increased flexibility. Double-acting, spring fail-close or -open, or manual override operations are combinations that are readily obtainable on VA series pneumatic LEDEEN actuators.
Features
  • All models available as double acting or spring return 
  • Torque outputs to 9,700 in-lb (1,100 Nm) 
  • Forged steel body, piston and end caps 
  • Carbon steel cylinders with nickel-plated I.D 
  • Symmetric yoke 
  • Aluminum bronze sliding blocks in yoke 
  • Composite guide band on piston 
  • Open and close travel stops, provide ±3 degrees minimum 
  • Local position indication 
  • Suitable for SIL 3 environments 

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Specifications

Brand

Actuator Type

  • Double-Acting
  • Spring Return

Approvals & Certifications

  • TRCU
  • TÜV (Technischer Uberwachungsverein) - Integrity
  • IEC 61508: 2000
  • ISO 9001: 2008
  • PED 97/23/EC
  • SI 825
  • SIL 3 - Integrity

Bushing Material

  • Bronze

Cover Material

  • Carbon Steel
  • Cast Iron

Enclosure, Body Material

  • Cast Iron
  • Spring Steel

Flange Material

  • Cast Iron - ROD Head Flange, Blank Head Flange

Gasket Material

  • Steel

Materials of Construction

  • 15 % Graphite - Guide Slider
  • AISI 303 Stainless Steel - Nameplate
  • Alloy Steel - Scotch Yoke, Pin
  • Carbon Steel - Pin, Tie Rod, Cylinder Liner
  • Spring Steel - Pin
  • Stainless Steel - Cylinders
  • Teflon - Guide Slider

O-Ring Material

  • NBR

Override

  • Manual Override

Piston Material

  • Alloy Steel - Piston Rod
  • Cast Iron

Pressure Range

  • psig: 43.51 to 174 (kPa: 300 to 1,200, bar: 3 to 12)

Seat / Seal Material

  • Seal: Fluorosilicone
  • Seal: Viton

Shaft Material

  • Alloy Steel

Spring Material

  • Spring Steel

Temperature Range

  • 200° C (392° F) - Viton Seals for High-Temperature Applications
  • -30° to 100° C (-22° to 212° F)
  • -60° C (-76° F) - Fluorosilicone Seals for Low-Temperature Applications

Torque

  • 9,700 In/Lbs (1100 Nm) - Torque Outputs

Yoke Design

  • Symmetrical

  • For ON/OFF Control or Modulating Control of Any Ball, Plug or Butterfly Valve Utilizing Compressed Air, Natural Gas or Nitrogen Actuator Supply

Documentation

Brochure

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