Item # 75023-27-41


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  • $60.45
  • $60.45
  • $60.45
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Knob valves have a small travel of about 1/4 inch and can be easily operated with the palm of a hand. Knobs are constructed of sturdy black molded material. Available in spring return, pneumatic return and push-pull versions.

Operating pressure range is 0-145 PSI. Actuation force at 90 PSI: 1/8 port approx. 3.4 Lbs., 1/4 port 11.3 Lbs.

For normally open function on 3 way valves reverse connect ports 1-3. For 2 way operation, plug port 3. Panel mounting hole size for 1/8-ported valves is 5/8 inch diameter, for 1/4-ported valves, 7/8 inch. Above panel dimensions: 1/8-ported are 1″ Dia. x 1.5? H: 1/4-ported -1.5″ Dia. x 2.25″ H.

Typical behind panel dimensions of 4 way 1/8 ported valves are 2.5″ D x 1.375″ W x 0.75″ H; 1/4 ported valves- 4″ D x 2″ W x 1″ H. For 3 way valves subtract 0.75″ from depth. For pneumatic return add 1″ to depth dimension. Allow space for fittings and tubing.

For valve specifications see appendix. For detail dimensions contact factory.

Description4 Way Knob Spring Return
Port Type1/8 NPT Ports (USA Std.)
Orifice0.236 in.

6 mm

Body No.2S
Above Panel Dia.1 in.
Above Panel Height1.5 in.
Behind Panel Depth2.5 in.
Behind Panel Height1.375 in.
Behind Panel Width0.75 in.
Depth2.5 in.
Height0.75 in.
Width1.375 in.
Panel Mounting Hole5/8 in.
Panel Dia.1 in.
Panel Height1.5 in.
Actuation Force @ 90 PSIApprox. 3.4 lbs.
Operating Pressure Range0 to 145 psi
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.

Additional information
Weight0.25 lbs
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