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Pressure And Temper Relief Valve

Model / MPN: 401X | NSN: 4820-00-632-1521
ITAR Registered seal

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Product Details
NATO Stock Number
4820-00-632-1521
Sold in multiples of
1 EA
DEMIL
NO
Body Material
Bronze
Outside Surface Treatment
Any acceptable
Body Style
Angle give "adqm" and "adqn" only if flanged one or two ends
Stem Material
Bronze
Furnished Items
Emergency opening device
Tempurature Rating
210.0 degrees fahrenheit
Media For Which Designed
Water, fresh
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.750 inches
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external pipe
Second End Style Designator
Plain
Second End Pipe Size Accommodated
0.750 inches
Second End Thread Direction
Right-hand
Seat Material
Bronze
Flow Control Device
Poppet
Flow Control Device Material
Silicone
End Connection Quantity
2
Opening Pressure Setting
125.0 pounds per square inch
Tempurature Adjustability
Not adjustable
Tempurature Control Device Type
Thermostatic
401X Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC18T1719 Valve, Relief, Pressur 65 EA 11/13/2017
SPE7MC18T059B Valve, Relief, Pressur 65 EA 06/28/2018

Pricing and Availability

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401X Cross Reference
  • ANSI Z21.22
  • 40L3-4
  • 40L
  • 18-402-27
  • MILV13612
  • 18-302-09