Model: 41W206

Safety Relief Valve

Properties:

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
Part Number
41W206
Description
Valve,safety Relief
CAGE
75954

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.

Part 41W206 NSN 4820-00-482-5681

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

Material Classification

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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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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