SDAC pneumatic actuators are designed and manufactured to provide the highest cycle life on the market. Sungdo Valve can accessorize the pneumatic actuators to accomplish virtually any control requirement. Availability spans 18 models with various mounting dimensions and configurations for appropriate torque compatibility. Sungdo Valve extensive inventory and engineering capabilities allows for solutions to meet virtually any need. We pride ourselves on exceeding customer expectations.
Double Acting and Spring Return
Dual travel stops1
Torques from 30 to 55,000 In-lbs
Standard end caps between DA and SR models
ISO 5211 / DIN 3337 mounting pad dimensions
Standard hard anodized body for corrosion resistance with options for ENP, PTFE and Epoxy coating to withstand any environment
NAMUR - VDI/VDE 3845 accessory mounting to accommodate a wide range of limit switches, positioners, solenoids and many other accessories
Wide base for direct mount to many butterfly valves
Substantial pinion bearings for high cycle life
Each unit serialized
Custom accessory mounting
SDAC Certifications
Pneumatic Rotary Actuators
Standard working temperature -5°F to 175°F
Low temperature option -45°F to 175°F
High temperature option 0°F to 300°F
Maximum working pressure 150 psig
Operating media - clean dry air, nitrogen, non-corrosive gas or light hydraulic oil.
Air supply 40 - 150 psi
Rotation 0±5° to 90±5°
Standard dual travel stops1
NAMUR - VDI/VDE 3845 accessory mounting
ISO 5211 Valve mounting
Custom options available
PTFE Infused and Nickel Plated
Torque Curves
Torque Curves
OPERATIONAL DETAILS AND FEATURES
CCW
Air is supplied to Port A forcing the pistons away from each other (toward ends), rotating drive pinion counter-clockwise and exhausting air out of Port B.
CW
Air is supplied to Port B forcing the pistons toward each other (toward center), rotating drive pinion clockwise and exhausting air out of Port A.
CCW
Air is supplied to Port A forcing the pistons away from each other (toward ends), rotating drive pinion counter-clockwise, compressing springs and exhausting air out of Port B.
CW
Air failure (loss of pressure) allows compressed springs to force pistons toward each other (toward center), rotating drive pinion clockwise and exhausting air out of Port A.
Dual Travel Stop Adjustment
TRIAC 3R Series features a splined stop collar that provides travel stop adjustments in both the clockwise and counter-clockwise directions. The splined collar ensures minimal hysteresis and repeatable stop positions.
OPTIONS
Coatings Hard Anodized (Standard)
SDAC Rack & Pinion Actuators are designed with corrosion resistance for industrial applications. SDAC Series actuators feature an internally and externally hard anodized body that results in a surface with lower coefficient of friction and minimizes wear while maintaining high cycle life.
COMPONENTS :
Body - Hard Anodized Aluminum
End Caps - Epoxy Coated Aluminum
Pinion - Zinc/Chromate plated Carbon Steel
Fasteners - 304 Stainless Steel
WHERE TO USE :
General Use
Industrial Applications
TESTS :
ASTM B117 Salt Fog Spray
Electroless Nickel Plated (ENP)
Electroless Nickel Plated SDAC Actuators are designed for excellent corrosion resistance. Featuring the integrated benefits of the electroless plating process to create a uniform nickel phosphorus deposit, SDAC ENP Actuators are resistant to acids/acidic environments, and low concentrations of basic solutions. This makes the SDAC ENP coated actuator an excellent choice for a balance of corrosion resistance and high cycle life.
COMPONENTS :
Body - Electroless Nickel Plated Aluminum
End Caps - Electroless Nickel Plated Aluminum
Pinion - 316 Stainless Steel
Fasteners - 304 Stainless Steel
WHERE TO USE :
Saltwater Conditions
In services with :
Oxygen
Sodium Hydroxide (Caustic Soda)
Potassium Hydroxide (Caustic Potash)
Acid Mines
TESTS :
Caustic Washdown Pending
ASTM B117 Salt Fog Spray Pending
PTFE (Infused/Coated)
SDAC PTFE (Infused/Coated) Actuators are designed for superior corrosion resistance. Featuring an internally and externally hard anodized body with PTFE and PTFE coated endcaps, SDAC PTFE Actuators are resistant to acids and low concentrations of basic solutions.
SDAC Rack & Pinion Actuators are designed with corrosion resistance for industrial applications. SDAC Series actuators feature an internally and externally hard anodized body that results in a surface with lower coefficient of friction and minimizes wear while maintaining high cycle life.
Electroless Nickel Plated SDAC Actuators are designed for excellent corrosion resistance. Featuring the integrated benefits of the electroless plating process to create a uniform nickel phosphorus deposit, SDAC ENP Actuators are resistant to acids/acidic environments, and low concentrations of basic solutions. This makes the SDAC ENP coated actuator an excellent choice for a balance of corrosion resistance and high cycle life.
SDAC PTFE (Infused/Coated) Actuators are designed for superior corrosion resistance. Featuring an internally and externally hard anodized body with PTFE and PTFE coated endcaps, SDAC PTFE Actuators are resistant to acids and low concentrations of basic solutions.