Model: B12217-EN000011/4IN

Stop-check Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
450.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
1.250 inches
Maximum Operating Pressure
300.0 pounds per square inch single response
Outside Diameter
4.625 inches all ends
Face To Face Distance
6.000 inches
Thickness
0.406 inches all ends
Bolt Hole Diameter
0.500 inches all ends
Bolt Circle Diameter
3.875 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy packing
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Material Specification
Qq-n-288 federal specification single material response flow control device
Material Specification
Qq-n-288 federal specification single material response seat
Media For Which Designed
Steam 1st response
Media For Which Designed
Water, salt 2nd response
Style Designator
Straight through flanged ends
NSN
4820-01-061-0232
Part Number
B12217-EN000011/4IN
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 B12217-EN000011/4IN NSN 4820-01-061-0232

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:
U
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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
050855
UFC:
29290
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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