Model: F91D .50IN

Check Valve

Special Features:

Working pressure is 460 psi @ 900 degrees f or 715 psi @ 850 degrees f or 1975 psi @ -20 to 100 degrees f

Properties:

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Disk Loading Method
Weight
Connection Style
Reduced socket (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Horizontal
Part Name Assigned By Controlling Agency
Swing check valve
Material
Cobalt comp 6 seat
Material
Steel comp 420f flow control device
Material
Steel uns k03504 body
Material Specification
A105 assn standard single material response body
Material Specification
A276 assn standard single material response flow control device
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Furnished Items And Quantity
1 cap and 1 gasket and 2 bolt
NSN
4820-01-469-2419
Part Number
F91D .50IN
Description
Valve,check
CAGE
72219

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 F91D .50IN NSN 4820-01-469-2419

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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