Model: N501

Fluid Pressure Regulating Valve

Properties:

Body Material
Steel
First End Flange Outside Diameter
4.625 inches
Body Style
Straight thru
Media For Which Designed
Steam
First End Connection Type
Raised face flange
First End Style Designator
Raised
First End Flange Shape Style
Round w/ bolt holes
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.688 inches
First End Bolt Circle Diameter
3.250 inches
Second End Relationship With First End
Identical
Seat Material
Cobalt alloy
Face To Face Distance
8.500 inches
Flow Control Device Material
Cobalt alloy
End Connection Quantity
2
Renewable Seat Ring Type
Threaded
Outlet Pressure Range
+25.0/+550.0 pounds per square inch
Regulation Type
Manual single stage
Valve Stem Design
Single seat
Valve Loading Method
Dome
Maximum Inlet Pressure Rating
600.0 pounds per square inch
Filter
Not included
Tempurature Rating
750.0 degrees fahrenheit
Reference Number Differentiating Characteristics
As modified by spcc procurement spec
NSN
4820-00-287-2749
Part Number
N501
Description
Valve,regulating,fluid Pressure
CAGE
26505

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 N501 NSN 4820-00-287-2749

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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