Model: S8

Check Valve

Special Features:

Inside or outside use; not suitable for frost free hydrants; serrated finger grip

Properties:

Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Disk Loading Method
Spring
Connection Style
Plain (hose) 1st end
Connection Style
Plain, optional end (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external hose 1st end
Connection Type
Threaded internal hose 2nd end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
11-1/2 1st end
Thready Qty Per Inch (tpi)
11-1/2 2nd end
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Thread Size
0.500 inches 2nd end
Material
Copper alloy body
Material
Rubber synthetic flow control device
Media For Which Designed
Water, fresh single response
Style Designator
Straight thru
Supplementary Features
Flow control device: diaphragm
Thread Series Designator
Nh 1st end
Thread Series Designator
Nh 2nd end
NSN
4820-01-355-0374
Part Number
S8
Description
Valve,check
CAGE
79227

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 S8 NSN 4820-01-355-0374

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:
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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