Model: NB252251 8IN

Stop-check Valve

Special Features:

Valve operation method - electric motor

Properties:

Flow Control Device
Disk
Bonnet Type
Packing retaining
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
14 all ends
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
8.000 inches
Maximum Operating Pressure
250.0 pounds per square inch single response
Outside Diameter
12.375 inches all ends
Face To Face Distance
20.250 inches
Thickness
1.312 inches all ends
Bolt Hole Diameter
0.688 inches all ends
Bolt Circle Diameter
11.062 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy flow control device
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Style Designator
Straight through flanged ends
NSN
4810-01-150-2238
Part Number
NB252251 8IN
Description
Valve,stop-check
CAGE
30263

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part NB252251 8IN NSN 4810-01-150-2238

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
00
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:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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