Model: CK-4A-2

Check Valve

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
2 all ends
Maximum Operating Temp
220.0 degrees fahrenheit single response
Width
2.474 inches all ends
Length
2.938 inches all ends
Valve Operation Method
Automatic
Flange Shape
Oval with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal or vertical
Valve Size
0.500 inches
Maximum Operating Pressure
300.0 pounds per square inch single response
Face To Face Distance
2.474 inches
Flange Face Design
Plain all ends
Material
Steel body
Material
Stainless steel seat
Media For Which Designed
Refrigerant 22 2nd response
Media For Which Designed
Refrigerant 502 3rd response
Media For Which Designed
Refrigerant 12 1st response
Style Designator
Straight through flanged ends
NSN
4820-01-229-7222
Part Number
CK-4A-2
Description
Valve,check
CAGE
91051

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 CK-4A-2 NSN 4820-01-229-7222

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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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