Valley Instrument 20 Series General Service Gauges (dual scale)

Description

Description

1.5”, 2”, 2.5”, and 4” Casing. Center Back, Bottom, Front, or Panel Mount. These gauges are designed for use with gas, oil, and water or any medium not corrosive to brass or bronze.

Features

Movement Brass
Bourdon Tube C-Shaped in copper alloy up to 600 PSI   and Helical in phosphor bronze above 600 PSI.
Pointer Black enameled aluminum
Dial White aluminum
Window Acrylic
Case Material Steel, black painted
Bezel Chrome Plated
Connection Material Brass
Connection Size 1/8” MNPT on 1.5” size, 1/4” MNPT on   2”, 2.5” and 4” sizes.
Accuracy ASME/ANSI B40.1 Grade B (3-2-3%)
Fill Material Dry Only
Wetted Parts Copper Alloy

 

How to Order Gauges

1St Digit 2nd Digit 3rd, 4th   Digit 5th Digit 6th Digit 7th Digit Range
Dial Size Case Style Model  # Fill Material Case Material Wetted Parts PSI
0=1.5”1=2”

2=2.5”

4=4”

1=Bottom2=Back

3=Front

4=Panel

20 D=Dry S=Steel B=Brass See Range Chart
Example:   1120DSB200=2” Bottom Mount, Model   20, Dry, Steel Case, 200 PSI
1 1 20 D S B 200

 

Standard Ranges

Standard Dial Ranges Availability Graduation
PSI Bar

1.5”

2”

2.5”

4”

Major Minor
0-30” VAC -1 bar

x

x

x

5 .5
30”-0-30 psi -1-0-2   bar

x

x

10 1
30”-0-60 psi -1-0-4   bar

x

x

10 1
30”-0-100 psi -1-0-7   bar

x

x

20 2
30”-0-150 psi -1-0-10   bar

x

x

20 2
30”-0-300 psi -1-0-20   bar

x

x

50 5
0-15 psi 0-1   bar

x

x

x

x

2 .2
0-30 psi 0-2   bar

x

x

x

x

5 .5
0-60 psi 0-4   bar

x

x

x

x

10 1
0-100 psi 0-7   bar

x

x

x

x

20 2
0-160 psi 0-11   bar

x

x

x

x

20 2
0-200 psi 0-14   bar

x

x

x

x

50 5
0-300 psi 0-20   bar

x

x

x

x

50 5
0-400 psi 0-27   bar

x

x

x

x

100 10
0-600 psi 0-40   bar

x

x

x

x

100 10
0-1000 psi 0-70   bar

x

x

x

x

200 20