Model: B-143

Gate Valve

Special Features:

R.H. Thd

Properties:

Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Valve Operation Method
Manual
Connection Type
Threaded internal pipe
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
300.0 pounds per square inch water, fresh and 1000.0 pounds per square inch water-oil-gas
Thread Size
2.000 inches
Stem Type
Rising
Maximum Operating Tempurature And Media For Which Designed
450.0 degrees fahrenheit water, fresh and 450.0 degrees fahrenheit water-oil-gas
Material
Copper alloy body
Material
Copper alloy disk
Material
Copper alloy seat
Material
Copper alloy stem
Material Specification
Qq-c-390, alloy d4 federal specification single material response body
Material Specification
Qq-c-390, alloy d4 federal specification single material response disk
Material Specification
Qq-c-390, alloy d4 federal specification single material response seat
Thread Series Designator
Npt
Furnished Items And Quantity
1 nut
Reference Number Differentiating Characteristics
As differentiated by nom pipe size accommodated
NSN
4820-01-030-6257
Part Number
B-143
Description
Valve,gate
CAGE
82666

Part B-143 NSN 4820-01-030-6257

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05482
FIIG:
A500A0
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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