Model: 20234

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.500 inches 2nd end
Pipe Size Accommodated
0.750 inches 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
313.0 cubic feet per minute
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
165.0 degrees fahrenheit single response
End Application
Wichita class aor
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Connection Type
Unthreaded internal pipe 2nd end
Features Provided
Pressure tight outlet side and valve stem lock shield
Maximum Operating Pressure
440.0 pounds per square inch single response
Opening Pressure Setting
300.0 pounds per square inch
Material
Copper alloy 360 flow control device
Material
Copper alloy 922 body
Material
Steel comp 303 stem
Material
Steel comp 304 seat
Material Specification
Aisi 303 assn standard single material response stem
Material Specification
Astm b16 assn standard single material response flow control device
Material Specification
Fed standard 66, aisi 304/sae 3034 federal standard single material response seat
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Media For Which Designed
Air single response
Furnished Items And Quantity
2 nut and 2 tailpiece
Specification Data
81349-mil-v-22549 government specification
NSN
4820-01-024-8537
Part Number
20234
Description
Valve,safety Relief
CAGE
01343

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 20234 NSN 4820-01-024-8537

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.7000lbs
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:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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