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Series 550 eSafe, DN 11
- Vented safety function
- One hand operated
- Extremely high-flow capacity
eSafe Series 550 is a safety coupling that feature an easy-to-grip design with a fully automatic function. They are smaller, much more compact and generate higher flow than comparable designs. eSafe is a one hand operated safety coupling that vents before disconnection, eliminating the risk of hose whip. The eSafe version complies with ISO Standard 4414 and EN 983.
Technical data
Nominal flow diameter: 11 mm (7/16″)
Air flow: 4050 l/min (143.0 CFM)
Max. working pressure: 16 bar (232 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Connection force: 152 N
Temperature range: -20°C — +100°C (-4°F — +212°F)
Material coupling: Zinc-plated steel/brass
Material nipple: Hardened zinc-plated steel
Standards: ISO 6150 B, A-A-59439 11 mm
Flow capacity is measured at 6 bar (87 PSI) inlet pressure, and pressure drop at 0.5 bar (7 PSI).
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Technical data:
| eSafe vented safety coupling | Part No. | Connection |
| Hose connection | 10 550 2004 | 10 mm (3/8″) |
 | 10 550 2005 | 12 mm (1/2″) |
| 10 550 2007 | 19 mm (3/4″) | |
| Male thread | 10 550 2154 | R 3/8″ |
 | 10 550 2155 | R 1/2″ |
| 10 550 2157 | R 3/4″ | |
| 10 550 2454 | NPT 3/8″ | |
| 10 550 2455 | NPT 1/2″ | |
| 10 550 2457 | NPT 3/4″ | |
| Female thread | 10 550 2204 | G 3/8″ |
 | 10 550 2205 | G 1/2″ |
| 10 550 2207 | G 3/4″ | |
| 10 550 2404 | NPT 3/8″ | |
| 10 550 2405 | NPT 1/2″ | |
| 10 550 2407 | NPT 3/4″ | |
| Nipples | ||
| Hose connection | 10 550 5004 | 10 mm (3/8″) |
 | 10 550 5005 | 13 mm (1/2″) |
| 10 550 5007 | 19 mm (3/4″) | |
| 10 550 5045 | 1/2″ Cejn Lock-Hose | |
| Male thread | 10 550 5152 | R 1/4″ |
 | 10 550 5154 | R 3/8″ |
| 10 550 5155 | R 1/2″ | |
| 10 550 5157 | R 3/4″ | |
| 10 550 5452 | NPT 1/4″ | |
| 10 550 5454 | NPT 3/8″ | |
| 10 550 5455 | NPT 1/2″ | |
| 10 550 5457 | NPT 3/4″ | |
| Female thread | 10 550 5204 | G 3/8″ |
 | 10 550 5205 | G 1/2″ |
| 10 550 5404 | NPT 3/8″ | |
| 10 550 5405 | NPT 1/2″ | |
| 10 550 5407 | NPT 3/4″ | |
| Stream-Line connection | 10 550 5066 | 11 x 16 mm |
| 10 550 5068 | 13 x 18 mm | |