pn16 dn150 resilient seat flanged ductile iron gate valve with drain
 | Structure | |
| 1 | Thrust bearing | |
| 2 | Three “O” type seal ring | |
| 3 | Precision machined stainless steel valve stem | |
| 4 | High performance rubber and the latest vulcanization technology are adopted inside and outside | |
| 5 | Flat seat | |
| 6 | Non-toxic epoxy resin coating | |
Features
1. Din3352 soft sealing gate valve has good sealing effect and is not easy to rust.
2. It has advantages of light switch, reliable sealing, flexible memory and long service life.
3. It is widely used in water supply, sewage, construction, food, electricity, medicine and other fluid pipelines as regulating and intercepting devices.
 | Materials for main parts | |
| Name | Material | |
| Valve body bonnet | Ductile cast iron | |
| valve plate | Ductile cast iron+rubber+EPDM | |
| Valve stem | 304,2Cr13 | |
| Stem Mut | Casting brass | |
| Screw nut | opper alloy, brass, ductile iron | |
| Filler | Rubber | |
| Hexagon socket screw | Carbon steel | |
| Gasket | Rubber | |
 | Product Parameters | |||
| Driving Method | Manual | |||
| Suitable medium | Water | |||
| Suitable temperature | ≤80℃ | |||
| End flanged | DIN2501 | |||
| Face To Face | DIN3202 F4/F5 | |||
Main external and connecting dimensions
| DN | L(F4) | L(F5) | D | D1 | D2 | b | Z-Φd | H | f |
| 50 | 150 | 250 | 165 | 125 | 102 | 18 | 4-19 | 194 | 3 |
| 65 | 170 | 270 | 180 | 145 | 122 | 19 | 4-19 | 221 | 3 |
| 80 | 180 | 280 | 200 | 160 | 138 | 19 | 8-19 | 238 | 3 |
| 100 | 190 | 300 | 220 | 180 | 158 | 19 | 8-19 | 273 | 3 |
| 125 | 20 | 325 | 250 | 210 | 188 | 19 | 8-19 | 320 | 3 |
| 150 | 210 | 350 | 285 | 240 | 212 | 19 | 8-23 | 369 | 3 |
| 200 | 230 | 400 | 340 | 295 | 268 | 20 | 8-23/12-23 | 467 | 3 |
| 250 | 250 | 450 | 390/405 | 350/355 | 320 | 22 | 12-23/12-27 | 583 | 3 |
| 300 | 270 | 500 | 445/460 | 400/410 | 370/378 | 25 | 12-23/12-27 | 644 | 4 |
| 350 | 290 | 550 | - | - | - | - | - | - | - |
| 400 | 310 | 600 | - | - | - | - | - | - | - |
