Models 432.36, 433.36

Sealgauge Diaphragm Pressure Gauges

Process Industry Series, Solid Front Case

Selected documents
Sales contact




  • With liquid filled case for applications with high dynamic pressure pulsations or vibration and overpressure
  • Suitable in corrosive environments for gaseous, liquid or highly viscous media.
  • Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
  • Ideally for applications in the water/wastewater industry

Product features

  • Wide selection of special wetted materials
  • All stainless steel construction, solid-front case
  • High overpressure safety up to 6,000 psi (400 bar)
  • Ranges from 6" H2O (16 mbar)


EN 837-3

4” & 6” (100 & 160 mm)

Accuracy class
± 1.5% of span

Vacuum / Compound to 600 psi (40 bar)
Pressure from 6” H2O (16 mbar) to 100" H2O (250 mbar), 6" (160 mm) flange diameter
Pressure from 6 psi (400 mbar) to 600 psi (40 bar),
4” (100 mm) flange diameter
or other equivalent units of pressure or vacuum

Working pressure
Steady: full scale value
Fluctuating: 0.9 x full scale value

Overpressure safety
Choice of 600 psi (40 bar), 1,500 psi (100 bar) or 6,000 psi (400 bar)

Special version
High overpressure safe up to 6,000 psi (400 bar)
0...10" H2O (25 mbar) to 0...100" H2O (250 mbar), flange diameter 190 mm (7.48")
0...6 psi (400 mbar) to 0...600 psi (40 bar), flange diameter 120 mm (4.72")

Operating temperature
Ambient: -4°F to +140°F (-20°C to +60°C)
Medium: +212°F (+100°C) maximum

Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.8% of span for every 18°F (10°K) rising or falling.

Weather protection
Weather resistant (NEMA 3 / IP54) -dry case
Weather tight (NEMA 4X / IP66)- liquid-filled case

Pressure connection and lower diaphragm housing
Material: 316 stainless steel
Lower mount (LM)
1/2” NPT female

Upper diaphragm housing
≤100” H2O (250 mbar): Chrome steel
>100” H2O (250 mbar): Stainless steel

Diaphragm element
≤100” H2O  (250 mbar): 316 stainless steel
>100” H2O (250 mbar): Duratherm (NiCrCo-alloy)
All ranges with FPM.FKM (Viton) sealing gasket

Stainless steel

White aluminum with black lettering

Black aluminum, adjustable - Type 432.36
Black aluminum, non-adjustable - Type 433.36

304 stainless steel, case with solid baffle wall and blow-out back (safety case) and stainless steel bayonet ring

Laminated safety glass with Buna-N gasket

Case fill
Glycerine 86.5% - Type 433.36

Wish list - Documents (0)

There are currently no documents on your wish list. You can add any document from the download area to your wish list. To do this, select the desired language using the flag symbol.

The maximum number of 20 entries was reached.

To receive your download link via e-mail, enter your address here:

The e-mail address is invalid.