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AUTOMA
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AUTOMA
Automatic valve, Electric ball valve, Control valve, Globe valve, Actuator and more
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Manufacturer
AUTOMA
Brand
-
SKU
135207
Product Name
Pneumatic Actuator (Heavy Duty Type)
Model Name
AS250D, AS300D, AS350D
Size
-
Weight
-
Product Details
Specification
| Item | AS250D | AS300D | AS350D |
| Operating Type | Scotch - Yoke | ||
| Operating Media | Compressed Dry Air | ||
| Operating Pressure | 4.5 ~ 7kg/cm2 | ||
| Rotating Angle | 90° ±5° | ||
| Operating Temperature | '-20°C ~ 80°C(Option : -40°C ~ 200°C) | ||
| Weight(kg) | 160 | 270 | 380 |
Part and Material
| No. | Part Name | Materials | No. | Part Name | Materials |
| 1 | Body | Steel Alloy | 22 | Piston Fixing Bolt | Stainless Steel |
| 2 | Shaft | Steel Alloy | 23 | Cylinder Cover(Out) | Steel Alloy |
| 3 | Shaft O-ring(Bottom) | NBR | 24 | Holder | Steel Alloy |
| 4 | Shaft Bush | Engineering Plastic | 25 | Cylinder Cover Washer(Out) | Stainless Steel |
| 5 | Shaft O-ring(Top) | NBR | 26 | Cylinder Cover Bolt(Out) | Stainless Steel |
| 6 | Yoke | Steel Alloy | 27 | Stopper Washer | Stainless Steel |
| 7 | Yoke Block | Steel Alloy | 28 | Stopper Nut | Stainless Steel |
| 8 | Body Cover | Steel Alloy | 29 | Stopper Bolt | Stainless Steel |
| 9 | Body Cover Bolt | Stainless Steel | 30 | Spring Rod | Steel Alloy |
| 10 | Piston Rod | Steel Alloy | 31 | Spring Case Blot | Stainless Steel |
| 11 | Piston Rod Bush | Engineering Plastic | 32 | Spring Rod Bush | Engineering Plastic |
| 12 | Cylinder Cover Bolt(In) | Stainless Steel | 33 | Spring Case | Steel Alloy |
| 13 | Cylinder Cover Washer(In) | Stainless Steel | 34 | Spring Guide | Steel Alloy |
| 14 | Cylinder Cover(In) | Steel Alloy | 35 | Spring | Steel Alloy |
| 15 | Cylinder Bolt | Stainless Steel | 36 | Spring Fixing Washer | Stainless Steel |
| 16 | Piston Rod O-ring | NBR | 37 | Spring Fixing Bolt | Stainless Steel |
| 17 | Cylinder | Steel Alloy | 38 | Retainer | Steel Alloy |
| 18 | Cylinder Guide Bolt | Steel Alloy | 39 | Spring Case Cover | Steel Alloy |
| 19 | Piston | Steel Alloy | 40 | Spring Case Cover Bolt | Stainless Steel |
| 20 | Piston O-ring | NBR | 41 | Spring Stopper Nut | Stainless Steel |
| 21 | Piston Fixing Washer | Stainless Steel | 42 | Spring Stopper Bolt | Stainless Steel |
Torque Table
| Unit : mm | |||||
| Model | Angle | Supply Air | |||
| 4bar | 5bar | 6bar | Spring | ||
| AS250D | 0° | 1,170 | 1,810 | 2,350 | 1,300 |
| 45° | 590 | 950 | 1,340 | 840 | |
| 90° | 930 | 1,800 | 1,980 | 1,470 | |
| AS300D | 0° | 2,400 | 3,650 | 4,800 | 2,550 |
| 45° | 1,180 | 1,850 | 2,500 | 1,500 | |
| 90° | 1,760 | 3,160 | 4,600 | 3,130 | |
| AS350D | 0° | 4,650 | 6,800 | 8,900 | 3,650 |
| 45° | 1,450 | 2,600 | 3,700 | 2,730 | |
| 90° | 1,330 | 3,200 | 5,250 | 5,200 | |
Dimension
| Unit : mm | |||||||||
| Model | L1 | L2 | ØA | ØD | S | KEY | ØC | N-M | PT |
| AS250D | 445 | 1000 | 313 | 55 | 65 | 16 x 10 | 165 | 4-M20 | PT 3/8" |
| AS300D | 545 | 1085 | 370 | 70 | 85 | 20 x 12 | 254 | 8-M16 | PT 3/8" |
| AS350D | 720 | 1120 | 410 | 80 | 85 | 28 x 16 | 298 | 8-M20 | PT 1/2" |
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Automatic valve, Electric ball valve, Control valve, Globe valve, Actuator and more
Since its establishment in 1992, AUTOMA has been producing and supplying quality products in the field of automatic valve as a forerunner.
Our Automatic valve is being used in various industrial areas such as power plant and water treatment system, etc. We have made a consistent growth for both domestic and overseas market. And most of our products are highly valued by its customer worldwide for its quality.
It was all possible because We prioritizes “customer-first” management with prompt delivery, reasonable prices, quality innovation, and technical response. We will continue to do our best to meet customer`s demand with best service and to satisfy their expectations by creating value constantly.