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Model 432.56, 432.36 Diaphragm Pressure Gauge with Switch Contact
Brand: WIKA Alexander Wiegand SE & Co. KGHigh overload safety up to 100/400 bar.
Features- High overload safety, optionally up to 40, 100 or 400 bar, due to the metallic pressure element limit stop, without liquid-filled measuring cell.
- Wide choice of special materials.
- Also available with liquid-filled case for high dynamic pressure loads or vibrations.
- Instruments with inductive contacts for use in hazardous areas with ATEX approval.
- Instruments with electronic contact for PLC applications.
Specifications
Design
- EN 837-3
Sizes
- 4" & 6" (100 & 160 mm)
Accuracy Class
- ± 1.5 % of Span
Ranges
- Or other equivalent units of pressure or vacuum
- Pressure from 6 psi (400 mbar) to 600 psi (40 bar), 4" (100 mm) flange diameter
- Pressure from 6" H2,O (16 mbar) to 100" H2,O (250 mbar), 6" (160 mm) flange diameter
- Vacuum/Compound to 600 psi (40 bar)
Working Pressure
- Fluctuating: 0.9 x Full Scale Value
- Steady: Full Scale Value
Overpressure Safety
- Choice of 600 psi (40 bar) or 1,500 psi (100 bar)
Operating Temperature
- Medium: +212° F (+100° C) Max.
- Ambient: -4° to +140° F (-20° to +60° C)
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 & Lower Diaphragm Housing
- 1/2" NPT Female
- Lower Mount (LM)
- Material: 316 Stainless Steel
Upper Diaphragm Housing
- > 100" H₂O (250 mbar) Stainless Steel
- ≤ 100" H₂O (250 mbar): Chrome Steel
Diaphragm Element
- All Ranges with FPM/FKM (Viton) Sealing Gasket
- > 100" H₂O (250 mbar): Inconel (NiCr-Alloy)
- ≤ 100" H₂O (250 mbar): 316 Stainless Steel
Movement
- Stainless Steel
Dial
- White Aluminum with Black Lettering
Pointer
- Black Aluminum, Non-Adjustable - Type 433.56
- Black Aluminum, Adjustable - Type 432.56
Case
- 304 Stainless Steel with Pressure relief disc and Stainless Steel bayonet Ring
Window
- Laminated Safety Glass with Buna-N Gasket
Case Filling
- Glycerine - Type 433.56
- 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