| Design standard | based on EN 837-1 |
| Measuring principle | Elastic measuring elements (Bourdon tube) that deform under pressure load |
| Nominal size | 63 mm, 100 mm, 160 mm |
| Display ranges | -1 bar to 25 bar |
| Accuracy class | Nominal size 63 mm: 1.6 Nominal size from 100 mm: 1.0 |
| Load capacity | Resting compressive load: full scale value, overload 1.3 x full scale value Dynamic load: 30% to 95% of the full scale value, up to 200,000 load cycles |
| Installation types and position of the pressure connection spigots | Free-standing process connection: – nominal size 63 mm, centric at the rear, wall installation with bracket fastening – eccentric at the rear, wall installation with bracket fastening |
| Material | Bayonet fitting: Stainless steel 1.4301 3-edge front ring with bracket fastening: CrNi steel 1.4301, polished Viewing window: Instrument glass Measuring element: Copper alloy or CrNi steel 1.4404 Pressure connection pin: CrNi steel 1.4571 Pointer: Aluminium, black anodized Dial: Aluminium, white coated, black printed |
| Enclosure protection class | unfilled IP54, filled IP65 according to EN 60529 |
| Medium temperature | unfilled <200 °C, filled with glycerine <100°C, filled with oil <200 °C |
| Ambient and storage temperature | -20°C to +60°C |
| Suitable media | Refrigerants containing ammonia (NH3) |
| Nominal size | D | D1 | d | b | c1 | e1 | s2 | h | SW |
| 40 | 40 | 46 | 41,8 | 30 | 47 | – | 3,7 | 10 | 14 |
| 50 | 54 | – | 48,5 | 31 | 50 | – | 7 | 13 | 14 |
| 63 | 67 | – | 62 | 37 | 60 | 18 | 8,5 | 13 | 14 |
| 100 | 106 | – | 101 | 52 | 83 | 28,5 | 4 | 20 | 22 |
| 160 | 166 | – | 161 | 53 | 84 | 28,5 | 6 | 20 | 22 |
All dimensions in millimeters.
| Customized imprint (text, logo), special scale | from 1 pc. |
| Min. or max., min. and max. drag indicator, resettable | from 1 pc. |
| Red setting pointer, adjustable from the outside | from 1 pc. |
| Throttle screw | from 1 pc. |
| Works certificate 2.1 (EN 10204) | from 1 pc. |
| (Material) acceptance test certificate 3.1 (EN 10204) | from 1 pc. |
| Factory calibration | from 1 pc. |
| Calibration | from 1 pc. |
| Special threads (e.g. NPT, BSP, metric) | from 10 pcs. |
| Laminated safety glass in accordance with S1 (EN 837-1) | from 1 pc. |
| Pressure relief opening in accordance with S2 (EN 837-1) | from 1 pc. |
Other special versions on request.
| Nominal size 63 mm | G 1/4 B CrNi steel 1.4571 |
| Nominal size 100 mm, 160 mm | G1/2 B, stainless steel 1.4571 |
Please observe the relevant standards and laws, as well as the installation and operating instructions for pressure gauges.
In particular, we would like to draw your attention to the suitable media with regard to material resistance and their maximum media temperature.
This specification refers to our current standard with regard to design, dimensions and materials. JAKO Messtechnik GmbH reserves the right to make changes or modifications without prior notice.
Contact us and we will advise you comprehensively on possible solutions!
