Pneumatic Actuator Heavy Duty Type (AD Series)

AUTOMA Pneumatic Actuator Heavy Duty Type (AD Series)

The AUTOMA Pneumatic Actuator Heavy Duty Type (AD Series) is a high-performance pneumatic actuator designed to operate large industrial valves such as ball valves, butterfly valves, plug valves, and other torque-demanding equipment. Built for maximum strength and durability, the AD Series is engineered to deliver consistent, high-output torque, even under extreme pressure, temperature, and corrosive conditions.

This makes it ideal for industries such as oil & gas, petrochemical, power generation, marine engineering, mining, and water treatment—where reliability is non-negotiable.

  • AD250D
  • AD300D
  • AD350D
  • AD400D
  • Scotch-Yoke Type
  • Powder Coating
  • ISO 5211, DIN 3337
  • Use Honing Pipe
Item AD250D AD300D AD350D AD400D
Operating Type Scotch – Yoke
Operating Media Compressed Dry Air
Operating Pressure 4 ~ 7kg/cm2
Rotating Angle 90° ±5°
Operating Temperature -20°C ~ 80°C(Option : -40°C ~ 200°C)
Weight(kg) 130 230 330 450

AUTOMA Pneumatic Actuator Heavy Duty Type (AD Series)

No. Part Name Materials No. Part Name Materials
1 Body Steel Alloy 16 Piston Rod O-ring NBR
2 Shaft Steel Alloy 17 Cylinder Steel Alloy
3 Shaft O-ring(Bottom) NBR 18 Cylinder Guide Bolt Steel Alloy
4 Shaft Bush Engineering Plastic 19 Piston Steel Alloy
5 Shaft O-ring(Top) NBR 20 Piston O-ring NBR
6 Yoke Steel Alloy 21 Piston Fixing Washer Stainless Steel
7 Yoke Block Steel Alloy 22 Piston Fixing Bolt Stainless Steel
8 Body Cover Steel Alloy 23 Cylinder Cover(Out) Steel Alloy
9 Body Cover Bolt Stainless Steel 24 Holder Steel Alloy
10 Piston Rod Steel Alloy 25 Cylinder Cover Washer(Out) Stainless Steel
11 Piston Rod Bush Engineering Plastic 26 Cylinder Cover Bolt(Out) Stainless Steel
12 Cylinder Cover Bolt(In) Stainless Steel 27 Stopper Washer Stainless Steel
13 Cylinder Cover Washer(In) Stainless Steel 28 Stopper Nut Stainless Steel
14 Cylinder Cover(In) Steel Alloy 29 Stopper Bolt Stainless Steel
15 Cylinder Bolt Stainless Steel

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