Ashcroft F5503 Differential Pressure Gauge
Precise differential pressure monitoring solution designed for harsh process environments with robust construction and high reliability.
Technical Specifications
Accuracy: ±1.6% of span (optional: ±1.0% or ±0.5% per ASME B40.100 upscale)
Dial Size: 100 mm or 160 mm
Zero Adjustment: External
Range: 0...25 mbar to 0...40 bar
Static Pressure: 100 bar (optional up to 400 bar)
Process Connection Location: Lower and Top
Fill Fluid: Dry, Glycerine, Silicone, Halocarbon®, Korasilon® (Electrical contacts)
Process Connection Size: Flange connection per DIN 61518 with G ½ female or ½ NPT female; Welding port diameter 8 mm
Adapter Options
| Male |
Female |
| G ¼ B or G ½ B |
G ¼ |
| ¼ NPT or ½ NPT |
¼ NPT |
| M20x1.5 |
|
Construction Details
Window Material: Laminated Safety Glass (standard), Polycarbonate (optional)
Dial: Aluminum, black markings on white background
Pointer: Aluminum, black (Red set hand or maximum pointer optional)
Weather Protection: Dry: IP65, Liquid filled and LJ: IP66 and NEMA 4X (optional)
Mounting: Wall-, Pipe- or Panel mounting
Approval: CE, CRN, EAC, CPA, ATEX File No. 35106158 at notified body 0044
Wetted Components
| Pressure Chamber |
Process Connection |
Measuring Diaphragm |
| St. st. 316L (1.4404) |
St. st. 316L (1.4404) |
≤400 mbar St. st. 316Ti (1.4571) ≥0.6 bar DURATHERM® 40 bar Inconel® 718 (2.4668) |
| Hastelloy® C-276 |
Hastelloy® C-276 |
≤2.5 bar Hastelloy® C-276 ≥4 bar St. st. 316Ti with Hastelloy® C-276 foil |
| St. st. 316L (1.4404) |
St. st. 316L (1.4404) |
≥0.6 bar Monel® 400 (2.4360) |
Key Benefits
- High static pressure with low differential pressure capability
- Perfect solution for challenging applications and installation requirements
- Robust design with dual diaphragms for enhanced safety
- NACE compliant construction
- Specifically designed for harsh service environments
Non-Wetted Components
Case: St. st. 304 (1.4301), optional: St. st. 316L (1.4404)
Ring: St. st. 304 (1.4301), optional: St. st. 316L (1.4404)
O-Ring: Viton® (FKM)
Temperature Limits (°C / °F)
| Version |
Ambient |
Process |
Storage |
| Dry |
-20°C to 80°C (-4°F to 176°F) |
-20°C to 100°C (-4°F to 212°F) |
-40°C to 80°C (-40°F to 176°F) |
| Glycerine |
-7°C to 80°C (19°F to 176°F) |
-7°C to 80°C (19°F to 176°F) |
-7°C to 80°C (19°F to 176°F) |
| Silicone |
-20°C to 80°C (-4°F to 176°F) |
-20°C to 100°C (-4°F to 212°F) |
-40°C to 80°C (-40°F to 176°F) |
| Halocarbon® |
-20°C to 80°C (-4°F to 176°F) |
-20°C to 100°C (-4°F to 212°F) |
-40°C to 80°C (-40°F to 176°F) |
| ATEX |
-20°C to 60°C (-4°F to 140°F) |
-20°C to 60°C (-4°F to 140°F) |
-20°C to 60°C (-4°F to 140°F) |
| Korasilon® |
-20°C to 80°C (-4°F to 176°F) |
-20°C to 100°C (-4°F to 212°F) |
-20°C to 80°C (-4°F to 176°F) |
| Low Temperature |
-40°C to 80°C (-40°F to 176°F) |
-40°C to 100°C (-40°F to 212°F) |
-40°C to 80°C (-40°F to 176°F) |