DIN 314811 Self Closing Valve
Premium bronze valve body with stainless steel spring realizes instant automatic closing once manual lever force is released. PTFE packing and brass internal fittings effectively reduce friction and prevent medium leakage under working temperature up to 200℃.
Overview
Application:It is specially designed for pipeline drainage of slurry, solid particles and semi-solid media that need instant liquid outflow.Widely applied in ship drainage systems, industrial flushing pipelines and sewage discharge piping for convenient one-time discharge control.
Material Specification:
| No. | Part Name | Material |
| 1 | Body | Bronze |
| 2 | Stem | Brass |
| 3 | Disc | Brass |
| 4 | Bonnet | Bronze |
| 5 | Spring | SS |
| 6 | Packing | PTFE |
| 7 | Gland | Brass |
| 8 | Hand lever | Cast steel |
General Specification:
| Design Std | |
| Thread Std | GOST 2822 |
| Flange Std | EN 1092(DIN2501) |
| Test Std | EN 12266 |
| Nominal Pressure | 1.0Mpa |
| Applicable Temperature | ≤200℃ |
| Pressure Rating | PN 10 |
Drawing:
Dimensions:
| DN | L | L₁ | L₂ | ≈H | H₁ | D | D₁ | b | n | d₀ | Thread | d₁ | d₂ |
| 15 | 130 | 165 | 120 | 146 | 46 | 80 | 55 | 12 | 4 | 11 | M30×2 | 27 | 19 |
| 25 | 160 | 183 | 130 | 168 | 62 | 100 | 75 | 14 | 4 | 11 | M42×2 | 39 | 29 |
| 40 | 200 | 203 | 140 | 195 | 80 | 130 | 100 | 16 | 4 | 14 | – | – | – |
