Nominal flow rates and flange sizes
| Nominal meter size | 1 bar pd nominal flow range [kg/h] |
Proposed flange size DIN / JIS |
Proposed flange size ASME |
|---|---|---|---|
| 8 | 600 | 10, 15 | 1/2" |
| 10 | 1200 | 10, 15 | 1/2" |
| 15 | 3800 | 15, 20, 25 | 1/2", 3/4", 1" |
| 25 | 19000 | 25, 40 | 1", 1.5" |
| 50 | 35000 | 40, 50 | 1.5", 2" |
| 80 | 78000 | 50, 80 | 2", 3" |
| 100 | 175000 | 80, 100 | 3", 4" |
| 150 (pending) | 320000 | 100, 150 | 4", 6" |
| 200 (pending) | 550000 | 150, 200 | 6", 8" |
| 250 (pending) | 1000000 | 250, 300 | 10", 12" |
Accuracy
0.1 % flat-line accuracy for 20:1 turndown from nominal flow
0.05 % flat-line accuracy for 10:1 turndown from nominal flow
Below 1/20th of nominal flow rate: 0.1 % +/- zero stability
Maximum flow rate
Up to 150 % of nominal flow
Operating conditions
| Material | Pressure rating | Process temperature | Temp. Max | Temp. Min |
|---|---|---|---|---|
| Stainless steel | 100 barg / 1450 psig | Cryogenic | +40°C / +104°F | -200°C / -328°F |
| Stainless steel | 100 barg / 1450 psig | Std | +230°C / +446°F | -70°C / -94°F |
| Stainless steel | 100 barg / 1450 psig | High temp | +400°C / +752°F | -50°C / -58°F |
| Hastelloy® C-22 | 200 bar / 2900 psig | Std | +230°C / +466°F | -70°C / -94°F |
| Duplex | 200 bar / 2900 psig | Std | +230°C / +466°F | -50°C / -58°F |
