


Automatic valve manufacturer, For Power plant, Energy, Petro chemical, Oil refining, Food, Paper, Shipbuilding, Pharmaceutical field
Ball Valve, Butterfly Valve, Plug Valve, Damper Control
Features
■ Scotch - Yoke type
■ No metal to metal touch
■ ISO 5211, DIN 3337
■ Anodized surface & double coated interior  
Specification
| Item | AD40 | AD50 | AD65 | AD80 | AD100 | AD125 | AD140 | AD160 | AD200D | AD250D | AD300D | AD400D | 
| Operating Type | R&P | Scotch - Yoke | Piston | |||||||||
| Operating Media | Compressed Dry Air | |||||||||||
| Operating Pressure | 4 ~ 7kg/㎠ | |||||||||||
| Rotating Angle | 90 ˚ ±3 ˚ | |||||||||||
| Operating Temperature | -10 ~ 60 ℃ | |||||||||||
| Weight (kg) | 0.7 | 1.5 | 2.5 | 4 | 7 | 11 | 18 | 25 | 95 | 122 | 228 | 456 | 
Part and Material
 
  
| No. | Part Name | Materials | No. | Part Name | Materials | 
| 1 | Body | Aluminum Alloy | 12 | Guide Bushing | Polyphithalamide | 
| 2 | Drive Shaft | Steel Alloy (Nickel plated) | 13 | Dynamic Pad | Polyphithalamide | 
| 3 | Crank | Steel Alloy (Nickel plated) | 14 | Piston Guide | Polyphithalamide | 
| 4 | Bushing | Acetyl | 15 | O-ring (Guide) | NBR | 
| 5 | O-Ring | NBR | 16 | O-ring (Cover) | NBR | 
| 6 | Bushing | Acetyl | 17 | Cover | Aluminum Alloy | 
| 7 | Washer | Polyphithalamide | 18 | Bolt | Stainless Steel | 
| 8 | Washer | Polyphithalamide | 19 | Adjust Bolt | Stainless Steel | 
| 9 | C-Ring | Stainless Steel | 20 | Adjust O-ring | NBR | 
| 10 | Piston | Aluminum Alloy | 21 | Adjust Washer | Stainless Steel | 
| 11 | Piston Pen | Steel Alloy (Nickel plated) | 22 | Adjust Nut | Stainless Steel | 
Torque Table (N-m)
| Model | Angle | 4bar | 5bar | 6bar | Model | Angle | 4bar | 5bar | 6bar | |
| AD40 | 0 ˚ 45 ˚ 90 ˚ | 6 6 6 | 9 9 9 | 11 11 11 | AD80 | 0 ˚ 45 ˚ 90 ˚ | 102 84 140 | 128 105 163 | 153 125 186 | |
| AD50 | 0 ˚ 45 ˚ 90 ˚ | 25 18 27 | 30 22 33 | 35 27 45 | AD100 | 0 ˚ 45 ˚ 90 ˚ | 270 150 250 | 320 180 316 | 388 221 384 | |
| AD65 | 0 ˚ 45 ˚ 90 ˚ | 64 47 71 | 79 60 88 | 96 67 105 | AD140 | 0 ˚ 45 ˚ 90 ˚ | 690 472 662 | 815 585 727 | 945 693 777 | 














