20 Series – General Service Gauges

Dual Scale
1-1/2″, 2″, 2-1/2″ 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.

Description

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 1-1/2″ 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

 

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 VAC= 30″ Custom Logo, Color Dial, Special Dial, ETc..
1 = 2″ 2 = Black 20 D = Dry S = steel B = Brass VAC= 30″ Custom Logo, Color Dial, Special Dial, ETc..
2 = 2-1/2″ 3 = Front 20 D = Dry S = steel B = Brass VAC= 30″ Custom Logo, Color Dial, Special Dial, ETc..
4 = 4″ 4 = Panel 20 D = Dry S = steel B = Brass VAC= 30″ Custom Logo, Color Dial, Special Dial, ETc..

Sample Order #: 1120DSB200 = 2″ Bottom Mount, Model 20, Dry, Steel Case, 200 PSI

 

Standard Ranges

Standard Dial Ranges Availability Graduation
PSI BAR 1-1/2″ 2″ 2.5″ 4″ Major” Minor”
0-30″ VAC -1 bar X X X X 5 .5
30″-0-15 psi -1-0-1 bar X X X X 5 .5
30″-0-30 psi -1-0-2 bar X X X X 10 1
30″-0-60 psi -1-0-4 bar X X X X 10 1
30″-0-100 psi -1-0-7 bar X X X X 20 2
30″-0-150 psi -1-0-10 bar X X X X 20 2
30″-0-200 psi -1-0-14 bar X X X X 50 5
30″-0-300 psi -1-0-20 bar X X 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