Model: 204-257

Expansion Valve

Properties:

Body Material
Brass
Body Style
C1 straight thru
Body Style
Straight thru
Media For Which Designed
Refrigerant 22
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.250 inches
First End Thread Class
3a
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal pipe
Second End Style Designator
Plain
Second End Pipe Size Accommodated
0.250 inches
Second End Thread Direction
Right-hand
Seat Material
Steel, corrosion resisting
First End Seat Angle In Deg
37.0
Flow Control Device
Diaphragm
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Adjustable Pressure Range
+15.0/+45.0 pounds per square inch
Valve Expansion Control Type
Pressure
Valve Pressure Limiting Device
Not included
Valve Equalizer Location
Internal
NSN
4820-00-402-9512
Part Number
204-257
Description
Valve,expansion
CAGE
91494

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

Part 204-257 NSN 4820-00-402-9512

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05493
FIIG:
A07100
Concept No.:
1
App. Key:
AG
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
188340
UFC:
33230
LTL:
100.0
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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