Model: 81M-3EPKX P/N 11722G

Check Valve

Special Features:

Without valve position indicator; service is sea-water mixed with aqueous-film foaming fluid

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
6 all ends
Maximum Operating Temp
180.0 degrees fahrenheit single response
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
2.500 inches
Maximum Operating Pressure
250.0 pounds per square inch single response
Outside Diameter
6.125 inches all ends
Thickness
0.938 inches all ends
Bolt Hole Diameter
0.562 inches all ends
Bolt Circle Diameter
5.000 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Rubber ethylene-propylene class epm flow control device
Style Designator
Straight through flanged ends
NSN
4820-01-276-3397
Part Number
81M-3EPKX P/N 11722G
Description
Valve,check
CAGE
86184

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 81M-3EPKX P/N 11722G NSN 4820-01-276-3397

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:
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:
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:
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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