Model: 31FCB-3 3 IN.

Check Valve

Special Features:

Valve size 3.000 in.

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
500.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
7.500 inches all ends
Face To Face Distance
9.500 inches
Thickness
0.875 inches all ends
Bolt Hole Diameter
0.750 inches all ends
Bolt Circle Diameter
6.000 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
5.000 inches all ends
Material
Cobalt alloy flow control device
Material
Cobalt alloy seat
Material
Steel body
Material Specification
Astm a216, grade wcb assn standard single material response body
Media For Which Designed
Steam single response
Style Designator
Straight thru
Test Data Document
81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
C group and 3 type and 5 trim and 150 class
NSN
4820-00-137-9212
Part Number
31FCB-3 3 IN.
Description
Valve,check
CAGE
61661

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 31FCB-3 3 IN. NSN 4820-00-137-9212

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
32.2000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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