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Series 321
- One-hand operated
- Extremely high-flow capacity
- Large range of connections
Featuring valved couplings and valveless nipples, Series 321 has superior flow capacity. Series 321 is suitable for a variety of fluid applications, such as water inlet and return for injection molding lines. A large range of connections is available in the series that requires only one hand for operation. Other sealing materials, such as EPDM, are availabe on request.
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Technical data:
| Couplings with valve | Part No. | Connection | Seal | Length | Diameter | Hexagon |
| Hose connection | 10 321 1002 | 6.3 mm (1/4″) | NBR | 67 | 23.4 | 19 |
| 10 321 1003 | 8.0 mm (5/16″) | NBR | 69.5 | 23.4 | 19 | |
| 10 321 1004 | 10.0 mm (3/8″) | NBR | 70 | 23.4 | 19 | |
| 10 321 1005 | 13.0 mm (1/2″) | NBR | 68 | 23.4 | 19 | |
| Male thread | 10 321 1152 | R 1/4″ | NBR | 63 | 23.4 | 20 |
| 10 321 1154 | R 3/8″ | NBR | 61 | 23.4 | 20 | |
| 10 321 1155 | R 1/2″ | NBR | 55.5 | 25.4 | 22 | |
| 10 321 1254 | G 3/8″ | NBR | 56.5 | 23.4 | 20 | |
| Female thread | 10 321 1202 | G 1/4″ | NBR | 57 | 23.4 | 20 |
| 10 321 1204 | G 3/8″ | NBR | 60 | 25.4 | 20 | |
| 10 321 1205 | G 1/2″ | NBR | 59.5 | 28.9 | 25 | |
| Nipples without valve | Part No. | Connection | Seal | Length | Diameter | Hexagon |
| Hose connection | 10 321 5003 | 8.0 mm (5/16″) | – | 44.5 | 13 | – |
| 10 321 5004 | 10.0 mm (3/8″) | – | 44.5 | 13 | – | |
| 10 321 5005 | 13.0 mm (1/2″) | – | 44.5 | 17 | – | |
| Male thread | 10 321 5151 | R 1/8″ | – | 35 | 15 | 13 |
| 10 321 5152 | R 1/4″ | – | 38.5 | 16.2 | 14 | |
| 10 321 5154 | R 3/8″ | – | 40.5 | 19.6 | 17 | |
| 10 321 5155 | R 1/2″ | – | 47 | 25.4 | 22 | |
| Female thread | 10 321 5202 | G 1/4″ | – | 36 | 19.6 | 17 |
| 10 321 5204 | G 3/8″ | – | 37.5 | 23.1 | 20 | |