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Temperature Regulating Valve

Model / MPN: MIL-DTL-19772 | NSN: 4820-01-513-3257
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
4820-01-513-3257
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Copper alloy, qq-c-525, comp 1
Body Style
Straight thru
Stem Material
Steel, qq-s-763
Furnished Items
Union nut and tailpiece w/grooves
Media For Which Designed
Water
First End Connection Type
Unthreaded internal tube
First End Style Designator
Socket w/brazing ring
First End Outside Diameter Tube Accommodated
0.750 inches
Second End Relationship With First End
Identical
Seat Material
Copper alloy, qq-c-525, comp 1
Face To Face Distance
6.125 inches
Packing Material
Plastic, polytetrafluoroethylene
Flow Control Device
Plunger with 2 discs
End Connection Quantity
2
Renewable Seat Ring Type
Threaded
Two-way Valve Action
Reverse acting
Tempurature Adjustability
Adjustable
Thermostatic Element
Liquid immersion type
Tempurature Rating
Between 60.0 degrees fahrenheit and 160.0 degrees fahrenheit
End Connection Specification/std
Mil-f-1183 grooved for brazing ring
Valve Size
0.750 inches
Part Name Assigned By Controlling Agency
3/4" trac style a fairsafe double seat reverse acting thermostatic temperature regulator valve assembly
Test Data Document
81349-mil-s-901c specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.). And 96906-mil-std-167 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349mil-dtl-19772 government specification
Nondefinitive Specification/std Data
Pe ii, class 2 series 250 type

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MIL-DTL-19772 Cross Reference
  • 40051-404
  • 40051-4
  • 40051-4 ASSEMBLY 40051-404