Model: 20282G51M

Safety Relief Valve

Special Features:

Valve size 1 in.

Properties:

Pipe Size Accommodated
1.000 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
176.0 cubic feet per minute
Maximum Operating Temp
60.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+25.0/+42.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Steel comp 303 or copper alloy or copper alloy 922 or copper alloy
Material Specification
66 federal standard 1st material response or astm b148 assn standard 2nd material response or qq-c-390, alloy d4/d/ federal specification 3rd material response
Media For Which Designed
Air single response
Style Designator
Angle
NSN
4820-00-300-6772
Part Number
20282G51M
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 20282G51M NSN 4820-00-300-6772

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:
576
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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