Model: 21721N

Fluid Pressure Regulating Valve
Description:

Steel, astm a216, grade wcb body material, straight thru body style, steam media for which designed, raised face flange first end connection type.

Properties:

Body Material
Steel, astm a216, grade wcb
First End Flange Outside Diameter
7.000 inches
Body Style
Straight thru
Media For Which Designed
Steam
First End Connection Type
Raised face flange
First End Style Designator
Raised
First End Raised Face Height
0.063 inches
First End Raised Face Diameter
4.125 inches
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.625 inches
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.750 inches
First End Bolt Circle Diameter
5.500 inches
Second End Relationship With First End
Identical
Seat Material
Cobalt alloy
Face To Face Distance
11.625 inches
Flow Control Device
Disk, top guided
Flow Control Device Material
Steel astm a276 type 420
End Connection Quantity
2
Outlet Pressure Range
+35.0 to 125.0 pounds per square inch
Regulation Type
Automatic single stage
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
150.0 pounds per square inch
Filter
Not included
Tempurature Rating
250.0 degrees fahrenheit
Nondefinitive Specification/std Data
A class and d composition
NSN
4820-00-007-4595
Part Number
21721N
Description
Valve,regulating,fluid Pressure
CAGE
35795

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 21721N NSN 4820-00-007-4595

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
101.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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