Model: M23A

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Renewable Seat Ring Type
Retaining screw
Maximum Operating Temp
300.0 degrees fahrenheit 1st response
Maximum Operating Temp
406.0 degrees fahrenheit 2nd response
Connection Style
G46b plain (pipe) 1st end
Connection Style
G9 plain, optional en (pipe) 2nd end
Connection Style
Plain (pipe) 1st end
Connection Style
Plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded internal pipe 2nd end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
1200.0 pounds per square inch 1st response
Maximum Operating Pressure
250.0 pounds per square inch 2nd response
Thread Size
0.750 inches all ends
Opening Pressure Setting
350.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Steam 2nd response
Media For Which Designed
Air 1st response
Style Designator
Angle
Thread Series Designator
Npt all ends
NSN
4820-00-202-7481
Part Number
M23A
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 M23A NSN 4820-00-202-7481

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:
--
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:
Trailers/Vehicles

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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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