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Pressure And Temper Relief Valve NSN 4820-01-648-7812

Item Description

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.

NSN 4820-01-648-7812 NSN: 4820-01-648-7812

Features and Characteristics

Body Material
Steel, astm a351, grade cf8m
Body Style
High pressure (flanged)
Stem Material
Steel, federal standard 66, aisi 316/sae 30316
Tempurature Rating
-29.0 degrees celsius and 260.0 degrees celsius
Media For Which Designed
Steam
Body Outside Diameter
124.0 millimeters
Face To Face Distance
165.0 millimeters
Flow Control Device
Ball
Opening Pressure Setting
39.0 bar
Tempurature Adjustability
Adjustable
Tempurature Control Device Type
Fusible
Part Name Assigned By Controlling Agency
Reduced bore ball valve
Special Features
Reinforced peek seats; with a single piece body, having iso mounting as standard; the m40hi has been designed for use as an isolating valve, not a control valve; weight: 4.5kg
FSC
4820 Nonpowered Valves
NIIN
016487812
NSN
4820016487812

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M40HI3 ISO(DN25,ASME300)
Cage Code:
53059
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-648-7812
What are the manufacturers of nsn 4820016487812?
Does this nsn 4820016487812 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016487812
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.
Does nsn 4820016487812 contain any precious metals?
No precious metal content.
Does nsn 4820016487812 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820016487812?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16996
FIIG:
A07100
App. Key:
AR
Cond. Code:
1
Status:
A

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