Model: 20SV-9081

Globe Valve

Special Features:

For navy nuclear propulsion plant only

Properties:

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Offset Distance
0.630 inches
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Connection Style
High pressure flar (tube) all ends
Valve Operation Method
Manual
Connection Type
Threaded internal tube all ends
Mounting Facility
Bracket
Thready Qty Per Inch (tpi)
16 all ends
Maximum Operating Pressure
20000.0 pounds per square inch single response
Thread Size
0.688 inches all ends
Seat Angle
30.0 degrees all ends
Criticality Code Justification
Zzzy
Outside Diameter Tube Accommodated
0.562 inches all ends
Material
Copper alloy packing and plastic polytetrafluoroethylene packing
Material
Steel comp 316 body
Material
Steel comp 316 stem
Material Specification
Qq-c-450 federal specification single material response packing
Material Specification
Qq-s-763 federal specification single material response body
Material Specification
Qq0s0763, class 316 federal specification single material response stem
Thread Series Designator
Un all ends
Furnished Items And Quantity
2 nut
Reference Number Differentiating Characteristics
As differentiated by free from mercury contamination
NSN
4820-01-056-5503
Part Number
20SV-9081
Description
Valve,globe
CAGE
93181

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

Part 20SV-9081 NSN 4820-01-056-5503

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05485
FIIG:
A046B0
Concept No.:
1
App. Key:
AT
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:
U
ESD:
ESD:
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481803060
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Globe type taps, cocks and valves of steel, hand operated

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