Modulating Water Valves

These modulating valves regulate the flow of water to heat exchanger in order to maintain a desired exiting oil temperature. No external power source is required to open the valve as it will open automatically when temperature increases at the sensing bulb. NOTE: Not to be used for a salt water service. Bulb well materials include a copper tube and brass fitting. All stock valves are supplied with a drilled and tapped internal by-pass in the regulator body. Custom bulb well lengths available.

• Specifications
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  65293

  Pipe Size (NPT)	1⁄2"	-
  Range (Opening Point)	115°F to 180°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 31⁄4"	-
  Maximum Water Flow	25 GPM	-
  Bulb Well Recommended Size	65140	-

  65127

  Pipe Size (NPT)	3⁄4"	-
  Range (Opening Point)	115°F to 180°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 31⁄4"	-
  Maximum Water Flow	40 GPM	-
  Bulb Well Recommended Size	65140	-

  65128

  Pipe Size (NPT)	1"	-
  Range (Opening Point)	115°F to 180°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 6"	-
  Maximum Water Flow	55 GPM	-
  Bulb Well Recommended Size	65141	-

  65146

  Pipe Size (NPT)	11⁄4"	-
  Range (Opening Point)	115°F to 180°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 6"	-
  Maximum Water Flow	75 GPM	-
  Bulb Well Recommended	65141	-

  65511

  Pipe Size (NPT)	1⁄2"	-
  Range (Opening Point)	75°F to 135°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 10"	-
  Maximum Water Flow	25 GPM	-
  Bulb Well Recommended	65280	-

  65253

  Pipe Size (NPT)	3⁄4"	-
  Range (Opening Point)	75°F to 135°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 10"	-
  Maximum Water Flow	40 GPM	-
  Bulb Well Recommended	65280	-

  65254

  Pipe Size (NPT)	1"	-
  Range (Opening Point)	75°F to 135°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 161⁄4"	-
  Maximum Water Flow	55 GPM	-
  Bulb Well Recommended	67438	-

  65255

  Pipe Size (NPT)	11⁄4"	-
  Range (Opening Point)	75°F to 135°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 161⁄4"	-
  Maximum Water Flow	75 GPM	-
  Bulb Well Recommended	67438	-

  66100

  Pipe Size (NPT)	11⁄2" ASME	-
  Range (Opening Point)	75°F to 135°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 161⁄4"	-
  Maximum Water Flow	90 GPM	-
  Bulb Well Recommended	67438	-

  67173

  Pipe Size (NPT)	2" ASME	-
  Range (Opening Point)	75°F to 115°F	-
  Sensing Bulb Size (Diameter x Length)	11/16" x 43"	-
  Maximum Water Flow	150 GPM	-
  Bulb Well Recommended	67808	-

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