Product Variation:

Shop

G Series Center Back Mount

Low Pressure Gauges from Marsh Instruments incorporate a diaphragm element allowing for accurate low-pressure readings in support of a variety of applications, with ASME Grade A 2/1/2% accuracy for ranges above 30” of water. Available ranges include vacuum and pressure in inches of water, ounces per square inch, kilopascals, and millimeters of mercury.

Download Spec Sheet & Literature

View Spec Sheet
View Catalog
Fast Quote

Variations: G22747, G26504, G22776, G22777, G22759, G22767, G22768, G22769, G22757, G22774, G22771, G22749, G22752, G24504, G22756, G22763, G33410, G22778, G22781, G22779, G22782, G22942, G22944, G22948, G22949, G22951, G27110, G30237, G11652, G11671, G11675, G11695, G11696, G11699, G11678, G22810, G11702, G11649, G11657, G11669, G11676, G33411, G11700, G11648, G11663, G11658, G22947, G12104, G12107, G12115, G12116, G12123

Category:

Description

Features:
  • Diaphragm Internals for Accurate Low Pressure Measurement
Applications:
  • HVAC
  • Boiler
  • Burner
  • Oil & Gas
  • Industrial
  • Commercial

Additional information

Spec accuracy

For Ranges 30" H2O and above: 2/1/2%(ASME Grade A), For Ranges Below 30" H2O: 3/1/3%

Bezel

Twist Lock Lens

Connection

1/8" or 1/4" NPT

Design

Meets/Exceeds ASME B40.100

Pointer

Aluminum, Black Painted

Mount

Center Back Mount

Vent plug

N/A

Accuracy

For Ranges 30" H2O and above: 2/1/2%(ASME Grade A), For Ranges Below 30" H2O: 3/1/3%

Subtitle

Diaphragm/Capsule Internals

Series

G Series

Dial color

Black Markings on White

Dial size

2.5"

Pressure ranges

Low Pressure Vacuum Pressure 10" H20 through 10 psi

Case

Steel, Black Painted

Standard case fill

Dry, Non-Fillable

Window

Acrylic Twist-in Clearlok

Movement

Brass

Dial sizes

2.5"

Ambient temperature

'-40 to 160F

Internal material

Copper Alloy

Tube socket

Phosphor Bronze Diaphragm

Standard scale

Dual Scale with kPa, Triple Scale: oz/in², in H20, & kPa

Weights

see variation page