Model: 626B-9-1/4-2

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Disk Loading Method
Spring
Valve Discharge Flow Rate
4.0 gallons per minute
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
800.0 degrees fahrenheit
End Application
Air force weapon system code bt engine aircraft f100-pw-100
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Aluminum alloy body
Material
Rubber synthetic seat
Material
Stainless steel flow control device
Media For Which Designed
Air 1st response
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Thread Series Designator
Npt all ends
NSN
4820-01-424-7373
Part Number
626B-9-1/4-2
Description
Valve,safety Relief
CAGE
09990

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 626B-9-1/4-2 NSN 4820-01-424-7373

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

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:
Equipment for Aircraft

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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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