Model: 481

Fluid Pressure Regulating Valve

Properties:

Body Material
Bronze
Body Style
Straight thru
Furnished Items
Internal pilot valve
Media For Which Designed
Steam
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
1 1/2-11 1/2 npt
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Steel, corrosion resisting
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Renewable Seat Ring Type
Threaded
Outlet Pressure Range
+5.0/+40.0 pounds per square inch
Outlet Pressure Range
+5.0 to 40.0 pounds per square inch
Regulation Type
Manual single stage
Valve Stem Design
Single seat
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
200.0 pounds per square inch
Outlet Pressure Accuracy Rating
Not rated
Filter
Not included
Tempurature Rating
400.0 degrees fahrenheit
Reference Number Differentiating Characteristics
As differentiated by end connections and pressure data
NSN
4820-00-289-1371
Part Number
481
Description
Valve,regulating,fluid Pressure
CAGE
33547

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Part 481 NSN 4820-00-289-1371

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
Concept No.:
1
App. Key:
D
Cond. Code:
2
Status:
A

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

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