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

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

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

188340

UFC:

33230

LTL:

100.0

LCL:

WCC:

594

TCC:

SHC:

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