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Oscillator Valve, Pneumatic ActuationItem # 75083-90-42

Valve can be used to oscillate a double acting cylinder. Applications include mixing, stirring or sawing devices where time critical cycling is not required. A pneumatic control signal applied to the control port starts valve oscillating. Speed is dependent on connected volume and line pressure, and can be controlled by the addition of flow control valves on the cylinder input ports. Typical speed is 16 cycles per minute at 90 PSI.

Operating pressure range 35 to 145 PSI. Actuation force (pilot pressure): 35 PSI minimum.
Pilot port size is 1/8. Mounting via 4 through body holes 3/16" Dia.
Oscillator valve will not operate if applied on vented applications such as an air motor. Working ports must have a connected defined volume.

For valve specifications see appendix. For detail dimensions contact factory.
Item #75083-90-42
Port Type1/8 NPT Ports (USA Std.)
Orifice0.236 in.
6 mm
Body No.8S
Length6 3/4 in.
Width2 in.
Height2 1/8 in.
Body Mounting Hole3/16 in.
Operating Pressure Range35 to 145 psi
Cv0.68
Kv9.7
Flow @ 45 PSI17.6 SCFM
Flow @ 90 PSI31.7 SCFM
Flow @ 145 PSI51.5 SCFM
Flow @ 3 Bar500 lpm
Flow @ 6 Bar900 lpm
Flow @ 10 Bar1460 lpm
Intended Use- Series 75 and 76 valves are intended for general purpose industrial applications utilizing normal shop air supply systems. For special applications with other media or other environments, contact Kuhnke.

Media- Compressed air or other neutral gases, properly filtered. For applications on liquids contact Kuhnke.

Lubrication- Valves operate on lubricated or non-lubricated systems. After using components in a lubricated system, do not switch to an un lubricated system. Avoid over lubrication.

Vacuum Applications- Spool Valve designs can be applied on vacuum systems. For applications using poppet valves, use only specially assembled valves shown in the catalog.

Dimensions and Design Changes- All dimensions in this catalog are approximate, if necessary, detailed drawings can be obtained from Kuhnke or from one of the Kuhnke websites. Dimensions, valve design and materials are subject to change without notice.

Metric and NPT threads- Although similar in size, valve port threads in metric ported valves are different from NPT versions. NPT versions have a tapered thread that is used to form a seal with the fitting thread. Metric thread is straight, and the seal is provided by an o-ring or washer normally included with the connection fitting. Metric fittings can be used on NPT threaded valves, but NPT fittings cannot be used on metric threaded valves.


If you are looking for Pneumatic Controls, Pneumatic Valves then look no further than Ellis/Kuhnke Controls.