Model: 4570

Check Valve

Properties:

Pipe Size Accommodated
0.750 inches all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
550.0 degrees fahrenheit single response
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Position
Vertical
Thready Qty Per Inch (tpi)
14 all ends
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Material
Copper alloy seat
Material
Copper alloy body
Material
Stainless steel flow control device
Media For Which Designed
Steam single response
Style Designator
Straight thru
Thread Series Designator
Npt all ends
Reference Number Differentiating Characteristics
As differentiated by valve size
NSN
4820-00-726-0081
Part Number
4570
Description
Valve,check
CAGE
38056

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 4570 NSN 4820-00-726-0081

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: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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