Neles™ pneumatic linear diaphragm actuator, series VD
Safe and reliable operation to suit for different kind of applications
![neles-linear-actuator-VD.jpg](/contentassets/550a5e5cf1b445a9834dfe0a8df80b3c/neles-linear-actuator-vd.jpg?width=1290&format=webp&quality=70)
Neles spring return VD series diaphragm type linear actuators are designed for use in both modulating control and on-off service. These actuators offer an extremely long cycle life and are well suited to operate linear valves with small to medium thrust requirements.
Features
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Spring return diaphragm actuator for linear modulating control and on/off applications
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Low friction diaphragm design provides precise control and reliable operation
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Corrosion resistance coating against severe weather, chemical and petroleum environments
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Field reversible for spring to open or close
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Mechanical position limitation and easily accessible side hand wheel optional
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Suitable for safety integrated systems up to and including SIL 3 in accordance with IEC 61508
Specifications
Type: | Pneumatic diaphragm actuator |
Series: | VD - linear single acting |
Operating pressure: | 3.0 - 4.2 bar /44 - 60 psi |
Temperature range: | -55 …+85 °C / -67 …+185 °F |
Outout thrust: | 1890 - 22800 N / 424 - 5125 lb.f |
Spring range options: |
General spring 0.8 bar - 2.6 bar (11 psi - 37 psi) |
Strong spring 1.5 bar - 3.4 bar (21 psi - 48 psi) |