Model: DB20553-2IN

Check Valve

Properties:

Offset Distance
3.250 inches
Flow Control Device
Disk
Renewable Seat Ring Type
Bolted
Bolt Hole Quantity
4 all ends
End Application
Fuel system onboard 270 ft wmec coast guard vessels
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
2.000 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
6.000 inches all ends
Face To Face Distance
8.000 inches
Thickness
1.000 inches all ends
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
4.750 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
3.625 inches all ends
Material
Steel body
Material
Stainless steel flow control device
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Straight through w/offset flanged ends
NSN
4820-01-117-2444
Part Number
DB20553-2IN
Description
Valve,check
CAGE
86520

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 DB20553-2IN NSN 4820-01-117-2444

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

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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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