Model: HB81-08

Check Valve

Special Features:

W/o silver brazed tail piece

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Connection Style
Plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Material
Nickel alloy seat
Material
Nickel alloy body
Material
Rubber butadiene-acrylonitrile class nbr packing
Media For Which Designed
Hydraulic fluid, mineral base single response
Style Designator
Straight thru
Thread Series Designator
Npt all ends
NSN
4820-01-122-1557
Part Number
HB81-08
Description
Valve,check
CAGE
77842

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 HB81-08 NSN 4820-01-122-1557

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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