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24Vac NEMA 4 Butterfly Valves

24Vac, NEMA 4, Electric Butterfly Valves
( Spartan Peripheral Devices )


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The BF Series 47/48 electric actuated valve assemblies are rated NEMA 4 for outdoor use.  These assemblies are available in 2-way and 3-way configurations 2' - 6", in non-spring and spring return types.  Two way assemblies are complete with full lugged bodies, 304 stainless disc, EPDM seat, and mounted with a mounting kit to an electric actuator.  Three way assemblies are complete with (2) lugged valves mounted on a cast iron tee with linkage kit to an electric actuator used in either mixing or diverting applications.

 

Series 47/48 Butterfly Valves PDF 





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Spartan Peripheral Devices’ V411 and V431 Universal 2-way and 3-way valve bodies have been specifically designed as the perfect response to customers’ requests for reduced inventory. This universality also gives the installer an opportunity to easily make any last minute modifications from a 2-way to a 3-way body if constant flow or bypass relief is required.
We are often asked a question if this was the best thing to do; that is using a bottom or side plug or flange to convert a 3-way in to a 2-way. In fact, all valve bodies are closed with a top or bottom flange after the internals are installed. The variations in the look of the valve cavity vary from manufacturer to manufacturer depending on how the valve seat, plug, stem and packing are designed.  For example:  a VB8213 series Invensys or Schneider Electric have a bottom blind flange installed on a 2-way valve body. Many others do the same thing in different ways.  
Spartan Peripheral Devices designed this universality right from the start. The bottom portion of the valve plunger required for 3-way valves is always assembled in the body and even if it is not used in the 2-way valve the plunger bottom portion acts as a guide. Guided plugs are featured in the industrial valve bodies to prevent vibration at extreme differential pressures. 
Many other features are included in our commercial valve body product line.
See our data sheet for full details.
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