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LIQUID MANAGEMENT

MOISTURE INDICATORS

Dri-Vue, Single and Double Port

The function of a Moisture Indicator is to provide visual indication

of moisture level in a refrigerant system.

Applications

Henry Technologies' offers Dri-Vue Moisture Indicators with ODS and SAE

Flare connections for use on air conditioning and refrigeration systems. The

moisture level in the refrigerant system needs to be monitored to ensure

excessive moisture, which could allow harmful acid formation, is not present.

Henry Technologies' Dri-Vue Moisture indicators designed for use with

specific HFC and HCFC refrigerants and their associated oils as listed in the

Dri-Vue Color Table.

Main Features

Ÿ

Patented Henry Technologies' Design*

Ÿ

SAE Flare connections

Ÿ

ODS connections

Ÿ

Positive color contrast: Yellow = Wet, Green = Dry

Ÿ

Replaceable cap with built-in moisture indicator. Part Number MI-3

Materials of Construction

The Moisture Indicator bodies are made of forged brass. The Dri-Vue

moisture indicating cap is made of plated steel with a hermetically sealed

soda lime glass lens. The cap seal is made of Teflon.

Technical Specifications

Maximum working pressure = 500 PSI (34.4 Bar)

Allowable operating temperature= +15°F to +200°F (-10°C to +93°C)

Henry Technologies' Moisture Indicators are UL and C-UL Listed by

Underwriters Laboratories, Inc.

Installation - Notes

1. ODS series Moisture Indicators must be taken apart for brazing.

2. Full instructions are given in the Product Instruction Sheet, included

with each Indicator.

FIG 1

FIG 2

Type

Part No

Fig No Conn Size (inch)

Dimensions (inch)

Weight (lbs)

A

B

C

D

MI-30-F

MI-30-1/4F

1

1/4 SAE Flare

2.63

0.34

1.51

N/A

0.43

MI-30-3/8F

1

3/8 SAE Flare

2.81

0.45

1.71

N/A

0.57

MI-30-1/2F

1

1/2 SAE Flare

3.13

0.41

1.65

N/A

0.59

MI-30-S

MI-30-1/4S

2

1/4 ODS

2.63

0.34

1.51

0.31

0.40

MI-30-3/8S

2

3/8 ODS

2.63

0.34

1.51

0.31

0.41

MI-30-1/2S

2

1/2 ODS

2.63

0.34

1.51

0.38

0.41

MI-30-5/8S

2

5/8 ODS

2.94

0.45

1.71

0.50

0.46

MI-31-S

MI-31-5/8S

3

5/8 ODS

2.50

1.30

2.60

0.50

0.69

Dri-Vue Color Table

Refrigerant

Type

Temp (°F)

Moisture PPM - Indicator color

Green

Chartreuse

Yellow

R404A

75

below 15

15-90

above 90

100

below 25

25-115

above 115

125

below 30

30-140

above 140

R22/R134a

75

below 30

30-120

above 120

100

below 45

45-180

above 180

125

below 60

60-240

above 240

91

FIG 1

FIG 2

FIG 3