Model: MOD S1-8-C-4 OWS FIG7-1 NO.18

Check Valve

Special Features:

Per ansi b.16.18 the max op pressure of 50-50 solder seat connections is 200 psi at 100 degrees f

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
-20.0 degrees fahrenheit 1st response
Maximum Operating Temp
100.0 degrees fahrenheit 2nd response
End Application
Strategic sealift conversion ships class
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
125.0 pounds per square inch 2nd response
Maximum Operating Pressure
400.0 pounds per square inch 1st response
Thread Size
0.250 inches all ends
Material
Copper alloy flow control device
Material
Copper alloy body
Material
Plastic polytetrafluoroethylene seat
Media For Which Designed
Steam 2nd response
Media For Which Designed
Water-oil-gas 1st response
Style Designator
Straight thru
Thread Series Designator
Npt all ends
NSN
4820-01-425-2134
Part Number
MOD S1-8-C-4 OWS FIG7-1 NO.18
Description
Valve,check
CAGE
63269

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 MOD S1-8-C-4 OWS FIG7-1 NO.18 NSN 4820-01-425-2134

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:
0.5000lbs
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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