YNTO pneumatic valve actuator for ball valves, butterfly valves, and other valve bodies
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YNTO pneumatic valve actuator for ball valves, butterfly valves, and other valve bodies
Product Features:
1. Aluminum alloy cylinder body, anodized
2. Connections comply with ISO5211
3. NAMUR standard interface
4. FC/FO normal working pressure: 5 bar
5. DA normal working pressure: 4.5 bar
6. Maximum allowable pressure: 7 bar
1.Indicator
Used to indicate the valve's open/close position. The top of the actuator is equipped with NAMUR standard mounting holes, making it easy to install position switches, positioners, and other accessories.
2.Cylinder Body
Made of ASTM6005 die-cast aluminum alloy. The surface of the cylinder body is brushed for added finish.
3.End Cap
The actuator end cap is coated in orange.
4.Stroke Adjustment
Two independent stroke adjustment screws provide an adjustment range of ±5% at both 0° and 90° positions.
| No. | Name | Quantity | Material | Corrosion Protection |
| 1 | Indicator Screw | 1 | Stainless Steel SS304 | |
| 2 | Indicator | 1 | Plastic | |
| 3 | Snap Ring | 1 | Stainless Steel SS304 | |
| 4 | Washer | 1 | Stainless Steel SS304 | |
| 5 | Outer Gasket | 1 | Engineering Plastic | |
| 6 | Cylinder Body | 1 | Cast Aluminum | Hard Anodizing |
| 7 | Inner Gasket | 1 | Engineering Plastic | |
| 8 | Cam | 1 | Alloy Steel | |
| 9 | Upper Shaft Bearing | 1 | Engineering Plastic | |
| 10 | Upper Shaft O-ring | 1 | NBR (Nitrile Rubber) | |
| 11 | Pinion Shaft | 1 | Alloy Steel | Nickel Plating |
| 12 | Lower Shaft Bearing | 1 | Engineering Plastic | |
| 13 | Lower Shaft O-ring | 1 | NBR (Nitrile Rubber) | |
| 14 | Plug | 2 | NBR (Nitrile Rubber) | |
| 15 | Adjustment Screw O-ring | 2 | NBR (Nitrile Rubber) | |
| 16 | Adjustment Screw Nut | 2 | Stainless Steel SS304 | |
| 17 | Adjustment Bolt | 2 | Stainless Steel SS304 | |
| 18 | Piston | 2 | Cast Aluminum / Cast Steel | Oxidation/Zinc Plating |
| 19 | Piston Guide Plate | 2 | Engineering Plastic | |
| 20 | Piston Bearing | 2 | Engineering Plastic | |
| 21 | Piston Seal Ring | 2 | NBR (Nitrile Rubber) | |
| 22 | Spring | 0~12 | Spring Steel | Dipping Paint |
| 23 | End Cap O-ring | 2 | NBR (Nitrile Rubber) | |
| 24 | End Cap | 2 | Cast Aluminum | Powder Coating |
| 25 | End Cap Bolt | 8 | Stainless Steel SS304 |
