모델명	:	432.56/433.56
	제조회사	:	WIKA
	원산지	:	GERMANY

국문 카다로그	국문 메뉴얼	영문 카다로그	영문 메뉴얼

Sealgauge Diaphragm Pressure Gauges
Process Industry Series 
Type 432.56 - 
Dry Case
Type 433.56 - Liquid-filled case





Applications

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



Special Features


Wide selection of special wetted materials

All stainless steel construction

High overpressure safety up to 1,500 psi 

 












Standard Features
 





Design
EN 837-3
Weather protection
Weather resistant (NEMA 3 / IP54)-dry 
case
Weather tight (NEMA 4X / IP65)-liquid-filled case


Sizes
4” & 6” (100 & 160 mm)
Pressure connection and lower diaphragm 
housing
Material: 316 stainless steel
Lower mount (LM)
1/2” 
NPT female

Accuracy class
± 1.5% of span
Upper diaphragm housing
Chrome steel

Ranges
Vacuum / Compound to 200 psi
Pressure from 10” 
H2O to 100” H2O (6” flange diameter)
Pressure from 6 psi to 600 psi (4” 
flange diameter)
or other equivalent units of pressure or vacuum
Diaphragm element
≤100” H2O: 316 stainless steel
> 
100” H2O: Duratherm (NiCrCo-alloy)
with FPM (Viton) sealing gasket

Working pressure
Steady: full scale 
value
Fluctuating: 0.9 x full scale value
Movement
Stainless steel

Overpressure safety
Choice of 600 psi or 1,500 psi
Dial
White aluminum with black lettering 

Operating temperature
Ambient: -4°F to +140°F (-20°C to 
+60°C)
Medium: +212°F (+100°C) maximum
Pointer
Black aluminum, adjustable - Type 
432.56
Black aluminum, non-adjustable - Type 433.56

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