DIN 567022/21 Quick Closing Valve
DIN quick closing valve adopts a professional rapid closing mechanical structure for instant fluid cut-off in emergency situations. It delivers tight sealing performance and stable operation, resisting medium impact and prolonging service
life.
Overview
Application:It is specially designed for emergency safety protection of marine pipelines and industrial fluid systems. It is widely applied in oil, water and gas pipelines to avoid overflow risks and protect overall system safety.
Matrial Specification:
| No. | Part Name | Material |
| 1 | Body | Bronze |
| 2 | Disc | SS |
| 3 | Spring | SS |
| 4 | Bonnet | SS |
| 5 | O‑Ring | NBR |
| 6 | Stem | SS |
| 7 | Handwheel | HT200 |
| 8 | Retainer Block | Brass |
| 9 | Pneumatic Device | 2Cr13 |
General Specification:
| Design Std | |
| Flange Std | EN 1092(DIN 2501) |
| Test Standard | EN 12266 |
| Nominal Pressure | 0.25Mpa |
| Applicable Temperature | ≤200℃ |
| Pressure Rating | PN 2.5 |
Drawing:
Dimensions:
| DN | L | ≈H | D | D₁ | D₂ | n | d₀ | D₀ |
| 15 | 130 | 237 | 95 | 65 | 45 | 4 | 14 | 80 |
| 20 | 150 | 240 | 105 | 75 | 58 | 4 | 14 | 80 |
| 25 | 160 | 242 | 115 | 85 | 68 | 4 | 14 | 80 |
| 32 | 180 | 245 | 140 | 100 | 78 | 4 | 18 | 100 |
| 40 | 200 | 274 | 150 | 110 | 88 | 4 | 18 | 140 |
| 50 | 230 | 283 | 165 | 125 | 102 | 4 | 18 | 140 |
| 65 | 290 | 325 | 185 | 145 | 122 | 4 | 18 | 140 |
| 80 | 310 | 350 | 200 | 160 | 138 | 8 | 18 | 180 |
