Model: 8437270

Gaseou Pressure Equalizing Valve

Properties:

Body Material
Aluminum alloy, qq-a-225/6, alloy 2024, t4
Maximum Operating Pressure
Not rated
Outside Surface Treatment
Anodized
Body Style
Single connection, straight flow
Stem Material
Aluminum
Tempurature Rating
-65.0 degrees fahrenheit
Tempurature Rating
180.0 degrees fahrenheit
Tempurature Rating
-65.0 degrees fahrenheit and 180.0 degrees fahrenheit
Media For Which Designed
Oxygen, gaseous
First End Connection Type
Threaded external boss
First End Style Designator
External seat for gasket seal
First End Thread Size And Series/type Designator
0.500-20 unf
First End Thread Class
3a
First End Thread Direction
Right-hand
Seat Material
Aluminum alloy, qq-a-225/6, alloy 2024, t4
Flow Control Device
Poppet
Flow Control Device Material
Aluminum
End Connection Quantity
1
Disk Loading Method
Spring
Opening Pressure Setting
3.0 pounds per square inch
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure and vacuum
Absolute Pressure Setting
Not rated
NSN
4820-00-477-9750
Part Number
8437270
Description
Valve,pressure Equalizing,gaseou
CAGE
19204

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

Part 8437270 NSN 4820-00-477-9750

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10958
FIIG:
A07100
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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