| Design standard | based on EN 837-1 |
| Measuring principle | Elastic measuring elements (Bourdon tube up to 60 bar, coil spring from 100 bar), which deform under pressure load |
| Nominal size | 63 mm, 100 mm, 160 mm |
| Display ranges | -1 bar to 25 bar, matched to the refrigerant |
| 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: -down -eccentric at the rear |
| Material | Nominal size 40 mm, 50 mm Housing with flanged ring: Stainless steel 1.4301 Dial: Polycarbonate from nominal size 100 mm Bayonet fitting: Stainless steel 1.4301 Dial: Instrument glass Measuring element: Copper alloy or stainless steel Pressure connection pin: Stainless steel Pointer: Aluminium, black anodized Dial: Aluminium, white coated, black printed (optional) Damping fluid: Glycerine 99.7%, silicone oil |
| Housing Protection class | Nominal size 63 mm IP64, unfilled IP54, filled IP65 in accordance with 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 | d | b | b1 | c | c1 | e | e1 | h | s | SW |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 40 | 38,5 | 28 | 30 | 34,5 | 47 | 10 | – | 10 | – | 14 |
| 50 | 54 | 48,5 | 29 | 31 | 45 | 50 | 10 | – | 13 | 7 | 14 |
| 63 | 64 | 62 | 33 | 37 | 54 | 59 | 10 | – | 13 | – | 14 |
| 100 | 101 | 99 | 50 | – | 82,5 | 82 | 15 | 28 | 20 | – | 22 |
| 160 | 161 | 159 | 50 | – | 118,5 | 82 | 16 | 28 | 20 | – | 22 |
All dimensions in millimeters.
Options only from nominal size 100 mm
| Customized imprint (text, logo), special scale | from 1 pc. |
| Min. or max., min. and max. drag indicator, resettable | from 1 pc. |
| Red brand pointer, adjustable from the outside | from 1 piece |
| 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. |
| Impact protection cap | from 1 pc. |
| Glycerine, silicone or white oil filling (FDA approved) | from 1 pc. |
| Increased weather protection (unfilled): IP65 in accordance with EN 60528 | from 1 pc. |
Other special versions on request.
| Nominal size 63 mm | G 1/4 B / NPT |
| Nominal size 100 mm, 160 mm | G1/2 B, stainless steel |
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!
