20 Series General Service Gauges

Dual Scale

20 SERIES: 1½”, 2”, 2½”, 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.

Product Specs

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 Size
1/8” MNPT on 1-1/2” size. 1/4” MNPT on 2”, 2-1/2” and 4” sizes.
Accuracy
ASME/ANSI B40.1 Grade B (3-2-3%)
Fill Material
Dry only
Wetted Parts
Copper alloy

1120DSB200 = 2” Bottom Mount, Model 20, Dry, Steel Case, 200 PSI

View Ordering Information below. *Denotes special order.

Ordering Information

1st Digit 2nd Digit 3rd, 4th Digit 5th Digit 6th Digit 7th Digit Range Suffix
Dial Size Case Style Model# Fill Material Case Material Wetted Parts PSI Options
0 = 1-1/2" 1 = Bottom 20 D = Dry* S = Steel B = Brass -See Range Chart -Custom Logo
1 = 2" 2 = Back - - - - VAC = 30" -Color Dial
2 = 2-1/2" 3 = Front - - - - - -Special Dial
4 = 4" 4 = Panel - - - - - -Etc.

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