BS EN 1154: Understanding Controlled Door Closing Devices
Overview
BS EN 1154: Understanding Controlled Door Closing Devices, listed by umaylocks in Wenzhou, Zhejiang. Grade 8 500,000 test cycles., grade 1 Mild resistance. and grade 2 Moderate resistance. are among the specifications published.
Technical specifications
| Grade 8 | 500,000 test cycles. |
|---|---|
| Grade 1 | Mild resistance. |
| Grade 2 | Moderate resistance. |
| Grade 3 | High resistance. |
| Grade 4 | Very high resistance. |