Industrial Process Pressure Gauges
(Glycerin filled pressure gauge)

General Specification

Reference Standard

EN – 837 / IS 3624-1987 / ASME

Model

G 31 222

Application

Process  pressure measurement

Type

 Glycerine filled 

Nominal Diameter

 4” (100 mm) 6” (150 mm)

Case Material

304 St.St.

Bezel Material

304 St.St.

Bezel fitting

Bayonet Bezel

Stem/ Socket Material

316St.St.

Sensing Element

316 St. St / 316L St.St Bourdon tube

Joint

Argon arc welded

Movement

SS304 / Brass

Pointer

Black Aluminium -

Dial

White coated Aluminium

Marking

Black ‘or’ Black and red combination for dual scale

Scale

Single / Dual

Standard Unit

kg/cm2 with psi (All other standard engineering units are available on request)

Mounting

Please refer the mounting chart

Thread

1/4” / 3/8” / ½” NPT / BSPP / BSPT; M 20 X 1.5

Window

Polycarbonate / Acrylic / Toughened glass

Available in

Pressure / Compound / Vacuum

Minimum Range

0 to 0.6 kg/cm2 / bar

Maximum range

0 to 2500 kg/cm2 / bar

Over Pressure

130% FS Short time

Case filling liquid

Glycerine / non-conductive fluid for Electric contact

Accuracy

+/- 0.5%,1% ‘or’1.6% of FSD

Additional Fitment

Optional*

Calibration Certificate

Factory calibration certificate shall be provided

Material TC

Shall be provided on request

Additional Fitment 1

Optional* (NOT AVAILABLE IN 2 1/2”)

Electric contact

Snap action magnetic 

1 NO / 1 NC / 2 NO / 2NC

1NO-1NC / 1NC-1 NO / 

Rating

380 V / 30W -50VA / 1 A (up to 10 A with rely)

Additional Fitment 2                               Diaphragm Sealed

Compact Diaphragm

Flanged Diaphragm Sealed

Tri Clover Diaphragm

I Section Flanged Diaphragm

Union Nut Diaphragm

Threaded Diaphragm

Chemical Sealed

High Pressure Diaphragm Sealed

Homogenizer Diaphragm Sealed

Additional Fitment 3                               Accessories

Snubber/ Dampner

Isolation Valve / needle valve

Siphon

Gauge saver/ Over Pressure protector

Gauge cock

Cooling tower

Siphon with gauge cock