In the industrial field, pneumatic butterfly valves are crucial fluid control devices. They feature precise control performance, reliable sealing effects, and excellent durability. With an exquisite design, pneumatic butterfly valves can adapt to various complex working conditions and play an indispensable role in industries such as chemical engineering, petroleum, pharmaceuticals, and electric power. They are easy to operate and have a fast response, which can effectively improve production efficiency and reduce maintenance costs. If you are looking for a high-performance fluid control valve, the pneumatic butterfly valve is undoubtedly your ideal choice.
Technical Parameters and Performance
| Technical Parameters of GTD/ATD Pneumatic Actuator | Body Parameters of D671X Pneumatic Butterfly Valve | ||
| Type | Double-acting piston type, spring return type | Nominal Diameter | DN40～500mm |
| Air Supply Pressure | Double-acting: 2-8bar / Single-acting: 4-8bar | Nominal Pressure | PN1.0, 1.6MPa |
| Output Torque | Double-acting: 4N·M～10560N·M | Valve Shaft Material | Carbon Steel, 304/316/316L Stainless Steel |
| Single-acting: 7N·M～2668N·M | Valve Body Material | Ductile Iron, Carbon Steel, Stainless Steel | |
| Operating Temperature | Normal temperature type: -20℃～80℃ (NBR O-ring) | Valve Disc Material | Ductile Iron, 304/316/316L Stainless Steel, Nylon |
| High temperature type: -20℃～160℃ (Viton O-ring) | Valve Seat Sealing | EPDM, NBR, Wear-resistant Rubber | |
| Operating Range | 0～90°±5° | Structural Form | Center-line type, Pinless type |
| Interface Thread | GTD40～GTD83 G1/8″ | Temperature | EPDM≤80℃; NBR≤68℃ |
| GTD110～GTD350/ATD50～200 G1/4″ | Applicable Media | Water, Air, Natural Gas | |
| Valve Position Signal | Positioner: 4–20 mA Transmitter: Fully open/fully closed signal | Features | Versatile applications, low overall cost, high flow capacity, low flow resistance |
Model Selection Recommendations