Series 7920 PREVIOUS
| Model | Material | Valve Type |
|---|---|---|
| B7920* | Brass | None |
| B7920V* | Brass | Standard |
| B7920HA* | Brass | High Accuracy |
| S7920 | 316 Stainless Steel | None |
| S7920V* | 316 Stainless Steel | Standard |
| S7920HA* | 316 Stainless Steel | High Accuracy |
| Each model includes one tube from the table below; specify your choice when ordering. | ||
| Options: | P/N Suffix: | |
|
4HB | |
|
T4FF | |
|
T2FF | |
| Bench stand - Model 7920B | ||
How To Order
| Model -X-Y | |
|---|---|
| X = tube required | 1, 2, 3, 4, 5, 6, 7, 8, 10 |
| Y = optional fittings | 4HB = hose barbs T4FF = 1/4" compression T2FF = 1/8" compression |
| Example: | B7920V-2-T4FF is a brass unit with a 7920-2 flow tube and 1/4” compression fittings on inlet and outlet. |
Flowmeter Tubes
| Typical Flow Range* | ||
|---|---|---|
| Model | Float | Air scc/min. |
| 7920-1 | Glass St. Steel |
8-47 14-138 |
| 7920-2 | Glass St. Steel |
9-92 25-264 |
| 7920-3 | Glass St. Steel |
37-370 80-816 |
| 7920-4 | Glass St. Steel |
82-817 170-1665 |
| 7920-5 | Glass St. Steel |
550-2214 1070-4494 |
| 7920-6 | Glass St. Steel |
610-3780 1330-7467 |
| 7920-7 | Glass St. Steel |
820-8555 2090-16493 |
| 7920-8 | Glass St. Steel |
2220-23105 4190-42860 |
| 7920-10 | Glass | 1.0 - 100 |
*Actual flow rates will vary from one manufacturing lot to another. Calibration data is supplied for each tube shipped. All calibrations are for air @ 0 psig outlet and 70°F.
| Selected Correction Factors flow = air flow x correction factor | |
|---|---|
| Gas | Correction Factors |
| air | 1.00 |
| acetylene | 1.054 |
| ammonia | 1.304 |
| argon | 0.851 |
| n-butane | 0.706 |
| carbon dioxide | 0.811 |
| carbon monoxide | 1.017 |
| ethane | 0.981 |
| ethylene | 1.016 |
| helium | 2.689 |
| hydrogen | 3.810 |
| methane | 1.343 |
| nitrogen | 1.017 |
| nitrous oxide | 0.811 |
| oxygen | 0.951 |
| propane | 0.810 |