WIKA model 732.51 differential-pressure gauge, NS 100, 0 to 1 bar differential, 2 x G1/2 female. All-stainless-steel case with all-metal media chamber and 316Ti diaphragm element for aggressive liquid and gaseous media, no elastomer process seals. Accuracy class 1.6 (1.0 / 2.5 selectable) per EN 837-1, safety level S1 (blow-out device). High overload safety up to 40 bar static, either side.
| Model | 732.51 |
| Nominal size | NS 100 (100 mm dial) |
| Differential range | 0 to 1 bar |
| Accuracy | class 1.6 (1.0 / 2.5 selectable) |
| Case | stainless steel 1.4301 (304); 1.4571 (316Ti) optional |
| Media chamber / diaphragm element (wetted) | stainless steel 1.4571 (316Ti) |
| Construction | all-metal media chamber, no elastomer process seals |
| Process connection | 2 x G1/2 female (EN 837-1/7.3); 2x G1/2 B male / 2x 1/4 NPT optional |
| Safety | blow-out device (EN 837-1 safety level S1) |
| Overload / max. static pressure | up to 40 bar either side |
| Ingress protection | IP54 (IP65 with case filling) |
| Low-temperature option | POLARgauge to -70 °C |
| Standard | EN 837-1 |
| Material | Stainless steel case (1.4301 / 304); all-metal media chamber and diaphragm element stainless steel 1.4571 (316Ti) wetted; no elastomer process seals |
| Pressure rating | 0 to 1 bar differential; overload / max. static (either side) up to 40 bar |
| Temperature range | -20 to +60 °C ambient |
| IP rating | IP54 |
| Primary standard | EN 837-1 |
| Standard size | 100 mm |
| Thread standard | 2 x G1/2 female (EN 837-1/7.3) |
| Dimensions | NS 100 mm dial |
| MOQ | 1 |
WIKA 732.51 differential-pressure gauges suit filter, pump and level monitoring on liquid and gaseous aggressive media. Interchange with equivalent all-metal DP gauges at the same nominal size, differential range, process connection and overload rating. Confirm differential range, static-pressure rating and connection before ordering.