Model: 570-4 AND PL-4984

Stop-check Valve

Properties:

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
Beveled (pipe) all ends
Valve Operation Method
Manual
Connection Type
Butt weld pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
6000.0 pounds per square inch single response
Material
Nickel alloy seat
Material
Plastic polytetrafluoroethylene flow control device
Material
Steel comp 316 stem
Material
Steel comp 316l body
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Furnished Items And Quantity
1 handwheel
NSN
4820-01-271-2691
Part Number
570-4 AND PL-4984
Description
Valve,stop-check
CAGE
99565

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part 570-4 AND PL-4984 NSN 4820-01-271-2691

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
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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