Model: 452-1-1-4SS

Check Valve

Properties:

Pipe Size Accommodated
1.250 inches 1st end
Pipe Size Accommodated
1.250 inches 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit 1st response
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response
Connection Style
Plain (pipe) 2nd end
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
11-1/2 1st end
Thready Qty Per Inch (tpi)
11-1/2 2nd end
Maximum Operating Pressure
5000.0 pounds per square inch 1st response
Maximum Operating Pressure
5000.0 pounds per square inch 2nd response
Thread Size
1.250 inches 1st end
Thread Size
1.250 inches 2nd end
Material
Stainless steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Media For Which Designed
Nitrogen, gaseous 1st response
Style Designator
Straight thru
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
NSN
4820-00-063-8102
Part Number
452-1-1-4SS
Description
Valve,check
CAGE
86768

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 452-1-1-4SS NSN 4820-00-063-8102

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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