Model: 20265

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.500 inches 2nd end
Pipe Size Accommodated
0.750 inches 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
165.0 degrees fahrenheit single response
End Application
Air compressors, high pressure
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Connection Type
Unthreaded internal pipe 2nd end
Adjustable Pressure Range
+441.0/+529.0 pounds per square inch
Maximum Operating Pressure
750.0 pounds per square inch single response
Material
Copper alloy flow control device
Material
Copper alloy 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 30304 federal standard single material response seat
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
NSN
4820-01-142-2207
Part Number
20265
Description
Valve,safety Relief
CAGE

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 20265 NSN 4820-01-142-2207

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.0000lbs
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:
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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