41W206

Safety Relief Valve

NSN 4820-00-482-5681

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
004825681

Product Technical Spec.

Pipe Size Accommodated:
4.000 inches 2nd end
Thread Direction:
Right-hand 2nd end
Flow Control Device:
Disk
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Valve Discharge Flow Rate:
14235.0 cubic feet per minute
Renewable Seat Ring Type:
Threaded
Bolt Hole Quantity:
8 1st end
Maximum Operating Temp:
406.0 degrees fahrenheit 1st response
Maximum Operating Temp:
406.0 degrees fahrenheit 2nd response
Connection Style:
G9 plain, optional en (pipe) 2nd end
Connection Style:
Plain, optional en (pipe) 2nd end
Valve Operation Method:
Automatic
Flange Shape:
Round with holes 1st end
Connection Type:
Flange 1st end
Connection Type:
Threaded internal pipe 2nd end
Features Provided:
Valve stem lock shield and bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi):
8 2nd end
Maximum Operating Pressure:
250.0 pounds per square inch 2nd response
Maximum Operating Pressure:
250.0 pounds per square inch 1st response
Thread Size:
4.000 inches 2nd end
Outside Diameter:
8.250 inches 1st end
Thickness:
1.250 inches 1st end
Bolt Hole Diameter:
0.750 inches 1st end
Bolt Circle Diameter:
6.625 inches 1st end
Flange Face Design:
Raised straight 1st end
Raised Face Height:
0.063 inches 1st end
Raised Face Diameter:
5.687 inches 1st end
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Iron cast body
Material:
Steel stem
Media For Which Designed:
Steam 2nd response
Media For Which Designed:
Air 1st response
Style Designator:
Angle
Thread Series Designator:
Npt 2nd end
NSN:
4820-00-482-5681
Item Name:
Valve,safety Relief,transducer
Cage Code:
75954

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Transducer Safety Relief Valve"

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

MOE Major Organizational Entities

Entity
DSOR
User:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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