Model: 624XB-4-8-11

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Piston
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
G42 flared (tube) 1st end
Connection Style
Flared (tube) 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Features Provided
Bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
16 1st end
Adjustable Pressure Range
+115.0/+250.0 pounds per square inch
Maximum Operating Pressure
250.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
200.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy 2014 body
Material
Aluminum alloy 2014 seat
Material
Stainless steel flow control device
Material Specification
Qq-a-225/4 federal specification single material response body
Material Specification
Qq-a-225/4 federal specification single material response seat
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Unf 1st end
NSN
4820-00-449-4527
Part Number
624XB-4-8-11
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 624XB-4-8-11 NSN 4820-00-449-4527

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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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