Model: 2191-1IN

Check Valve

Special Features:

Weight in pounds 8.71; end to end 5.00 in.; center to bottom 1.75 in.; center to top 3.81 in.; seat diameter 0.72 in.

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Piston
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.000 inches all ends
Material
Steel body
Media For Which Designed
Water, fresh 3rd response
Media For Which Designed
Air 1st response
Media For Which Designed
Oil 2nd response
Style Designator
Straight thru
Thread Series Designator
Npt all ends
NSN
4820-01-319-5414
Part Number
2191-1IN
Description
Valve,check
CAGE
63220

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 2191-1IN NSN 4820-01-319-5414

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:
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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