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HELP!!!!!. SS Fail Close Pnuematic Cylinder

HELP!!!!!. SS Fail Close Pnuematic Cylinder

HELP!!!!!. SS Fail Close Pnuematic Cylinder

(OP)
Ladies and Gents.

I need help finding someone who manufacturers stainless steel single acting pneumatic cylinders for linear operation to suit knifegate valves.

Thank you

Vienta

RE: HELP!!!!!. SS Fail Close Pnuematic Cylinder

Call the valve manufacturer ie. ROVALVE, SALINA VORTEX.  There are two ways to do what you are looking for.  A spring return, which for a slidegate may get pretty big, or an auxilary air cylinder and solenoid that is activated on loss of air pressure to supply a double acting cylinder to close the valve.  You only have one shot for the last option.  You'll have to give the vendors you specific material requirements.

RE: HELP!!!!!. SS Fail Close Pnuematic Cylinder

I think Red Valve has what your looking for

RE: HELP!!!!!. SS Fail Close Pnuematic Cylinder

Biffi make some large spring to close actuators

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