![Photo NORMA FLEX E protective pipe coupling, W2, with EPDM seal, DN - 400 [Code number: NR-0583-8120-400]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMDlJQVE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--c95f43cc35f891d09cd2966bbd2e2806d2cbcc29/0583_8120_400-photo.jpg?locale=en)
Application purpose:
Special features:
Material:
| DN (OD) | PN | WP | C max | a | d | H | Screw | Torque | Weight |
|---|---|---|---|---|---|---|---|---|---|
| mm | bar | bar | mm | mm | mm | mm | mm | Nm | kg/pc. |
| 400 | 7.5 | 14.0 | 35 | 139 | 440 | 470 | M 12 SW 10 | 25 | 6.7 |
PN (Nominal Pressure) is the max. admissible working pressure in shipbuilding, based on a safety factor of ≥ 4
WP is the max. working pressure in industrial applications, with a safety factor as per NORMA specification
![Draft NORMA FLEX E protective pipe coupling, W2, with EPDM seal, DN - 400 [Code number: NR-0583-8120-400]](/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMUJJQVE9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--8290449815c57535686532f6650669608c65a1b8/0583_8120_400-draft.jpg?locale=en)