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Differential Pressure Sensor - DPGT40
Brand: WIKA Alexander Wiegand SE & Co. KGThe differential pressure sensors of the DELTA-line product family are primarily used for the monitoring of low differential pressures where there are high requirements in terms of one-sided overpressure and static pressure.
Features- Transmission of process values to the control room (e.g. 4 ... 20 mA)
- Robust aluminium case with shatterproof window
- High ingress protection, IP65
- Optional: Explosion protection per ATEX
Specifications
Nominal Size
- Differential Pressure indication: Ø 100 mm
- Working Pressure indication: Ø 22 mm
Accuracy
- Working Pressure Indication: ≤ 4 % of Span
- Differential Pressure Indication: ≤ 2.5 % of Span (Option ≤ 1.6 %)
Scale Ranges (EN 837)
- Working Pressure: 0 ... 25 bar
- Differential Pressure: 0 ... 0.16 to 0 ... 10 bar
Maximum Working Pressure (Stat.)
- 25 bar
Overpressure Safety
- Either side Max. 25 bar
Permissible Temperature
- Storage: -40° to +70° C
- Medium: -10° to +90° C
- Ambient: -10° to +70° C (Ex Version: -10° to +60° C)
Ingress Protection
- IP65 per IEC/EN 60529
Media Chamber (Wetted)
- Aluminium, EN AC-Al Si9Cu3(Fe), Black Lacquered (Option: Stainless Steel 1.4571)
Process Connections (Wetted)
- 2 x G 1/4 Female, Lower Mount, In-Line, centre distance 26 mm
Pressure Elements (Wetted)
- Working Pressure: Bourdon Tube from Cu-Alloy
- Differential Pressure: Compression springs from Stainless Steel 1.4310 and separating Diaphragm from FPM/FKM (Option: NBR)
Transmission Parts (Wetted)
- Stainless Steel 1.4301, 1.4305, 1.4310, FPM/FKM (Option: NBR)
Sealings (Wetted)
- FPM/FKM (Option: NBR)
Movement
- Copper Alloy
Dial
- Differential and working Pressure indication: White dial, Black Lettering
Pointer
- Differential and working Pressure indication: Blue Pointer
Zero Adjustment for Differential Pressure Indication
- Via Screw in the dial
Case
- Aluminium, EN AC-Al Si9Cu3(Fe), Black Lacquered
Window
- Plastic, with plug Screw for zero Adjustment
Weight
- Approximately 1.3 kg
- Marine boilers, pressure vessels, bilge-water collection
- Drinking and cooling-water treatment plants
- Pressure-boosting stations, heating technology, fire-extinguishing systems
