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Series 526, DN6.3
- Stainless steel (AISI 316)
- High durability
- Manual locking ring for extra security
Series 526 is a family of quick couplings for hydraulic systems. A manually operated locking ring provides extra security against involuntary disconnection. All parts in both couplings and nipples are made of stainless steel for maximum durability in tough applications and environments.
The Series is also available in four other sizes: DN 10 (3/8″), DN 12.5 (1/2″), DN 20 (3/4″) and DN 25 (1″). For a steel version see Series 525.
Technical data
| Temperature range: | -20°C — +205°C (-4°F — +401°F) |
| Material coupling: | Stainless steel, AISI 316 |
| Material nipple: | Stainless steel, AISI 316 |
| Material seal: | Viton (FPM) |
| Connectability: | Without pressure |
| Disconnection under pressure: | Not allowed |
| Max. working pressure connected: | 250 bar (3625 PSI) |
| Max. working pressure disconnected: | 250 bar (3625 PSI) |
| Min. burst pressure connected: | 1000 bar (14503 PSI) |
| Min. burst pressure disconnected: | 1000 bar (14503 PSI) |
Rated flow is measured at 0.4 MPa pressure drop.
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Technical data:
| Couplings | Part No. | Connection | Length | Diameter | Hexagon | Seal |
| Female thread | 10 526 1212 | G 1/4″ | 60 | 26 | 21 | FPM |
| Nipples | Part No. | Connection | Length | Diameter | Hexagon | Seal |
| Female thread | 10 526 6212 | G 1/4″ | 48.2 | 21 | 19 | FPM |