Pressure Ranges
0-0.075 to 0-7 bar
0-1 to 0-100 psi
In the Hirlekar Precision Model 370 DGC, the movement of the convoluted diaphragm is converted into appropriate calibrated rotary movement of the pointer through a magnetic connection. This type of diaphragm model is used in applications where no migration of the media from high pressure side (HP) to low pressure side (LP) is permitted.
In case of condensation: New EP series engineering polymer case is a standard case with this product. In operating condition with frequent temperature fluctuations, condensation may occur on the glass affecting visibility. Hirlekar Precision’s EP Series Engineering polymer cases can be easily opened and cleaned on site.
| Accuracy | ±2% of the FSD (Ascending) |
| Migration | Zero Migration from high to low port |
| Range | 0-0.075 to 0-7 bar 0-1 to 0-100 psi |
| First marking on scale | 15% of the FSD |
| Sensing element | Diaphragm |
| Wetted Parts | Diaphragm, body material, SS 302 spring & ceramic magnet |
| Case Material | Stainless steel (SS 304) |
| Dial size | Inch: 6.0 mm: 150 |
| Mounting | Direct, front flange, 2” pipe & surface mounting |
| Maximum working pressure | 75 bar / 1000 psi |
| Design temperature | -40°C to 80°C / -40°F to 175°F |
| Body material | Aluminum, Brass, SS 316 |
| Seals | Buna-N, Viton |
| Window | Standard: Float glass Optional: Toughened glass, acrylic & safety glass |
| Connection | Standard: ¼” BSP (F) Optional: ¼” NPT (F) with adaptor |
| Porting | In-line, rear, bottom, bottom & vent, in-line & vent, in-line & bottom |
| Over range protection | Up to the max. working pressure from high or low side only. |
| Protection for gauge & switch | IP 65 / NEMA-4 |
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