In addition to a grip-friendly locking sleeve and small outside dimensions,
Series 221 offers a high rate of airflow and a wide connection range. This
coupling series is ideal for laboratory breathing air systems, dry suit
inflation, and diving applications.
Technical Data
Material: Chrome-plated brass
Seal material: NBR
Airflow at inlet pressure 6 bar (87 PSI) and pressure drop 0.5 bar (7 PSI):
580 l/min (20.5 CFM)
Max. working pressure: 35 bar (508 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Temperature range: -30C to +100C (-22F to + 212F)
Nominal flow diameter: 5.0 mm (3/16")
| Couplings |
Part No. |
Description |
Length |
Diameter |
Spanner Size |
| Hose connection |
10 221 1021 |
6.3 mm (1/4") |
47.4 |
6.0 |
17 |
| Male Thread |
10 221 1292 |
G 1/4" |
43.5 |
6.0 |
17 |
| 10 221 1482 |
NPT 1/4" |
45.5 |
6.0 |
17 |
| Female Thread |
10 221 1222 |
G 1/4" |
47.5 |
6.0 |
17 |
| Nipples |
Part No. |
Description |
Length |
Diameter |
Spanner Size |
| Hose connection |
10 221 5002 |
6.3 mm (1/4") |
36.0 |
11.0 |
- |
| Male
Thread |
10 221 5152 |
R 1/4" |
33.0 |
16.2 |
14 |
| 10 221 5251 |
G 1/8" |
26.5 |
1 .7 |
11 |
| 10 221 5252 |
G 1/4" |
31.5 |
16.2 |
14 |
| 10 221 5452 |
NPT 1/4" |
33.0 |
16.2 |
14 |
| Female Thread |
10 221 5201 |
G 1/8" |
26.5 |
15.0 |
13 |
| 10 221 5202 |
G 1/4" |
31.0 |
19.6 |
17 |
January, 2013
