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Worldwide distributor of NSN parts and consumables located in the USA.

Temperature Regulating Valve

Model / MPN: 40688-8 | NSN: 4820-01-518-7401
ITAR Registered seal

A self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also valve, relief, pressure and temperature.

Product Details
NATO Stock Number
4820-01-518-7401
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Bronze, astm b61
Body Style
Tee
Stem Material
Steel, corrosion resisting
Furnished Items
Union nut and tailpiece and adjustment stem
First End Connection Type
Unthreaded internal pipe
First End Style Designator
Grooved inside
First End Pipe Size Accommodated
1.250 inches
Second End Relationship With First End
Identical
Third End Relationship With Preceding Ends
Identical with first end
Seat Material
Steel, corrosion resisting
Packing Material
Plastic, polytetrafluoroethylene
Flow Control Device
Piston, top guided
End Connection Quantity
3
Capillary Tube Length
12.000 inches
Bulb Diameter
1.125 inches
Tempurature Adjustability
Adjustable
Maximum Inlet Pressure Rating
100.0 pounds per square inch
Thermostatic Element
Liquid immersion type
End Application
Seawolf class ssn
Tempurature Rating
Between 60.0 degrees fahrenheit and 90.0 degrees fahrenheit
End Connection Specification/std
Mil-f-24227
Valve Size
1.250 inches
Part Name Assigned By Controlling Agency
1-1/4" trac style a 3-way thermostatic temperature regulating valve
Specification Data
81349-mil-v-19772 government specification
Nondefinitive Specification/std Data
1, style a type
40688 Series Parts

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40688-8 Cross Reference
  • 40688-801
  • 40747