Medium temperature: ≤100 ℃
Operation method: handle
Medium: steam, water, oil
Caliber: DN20-200mm
Pressure: 1.6mpa
Body material: cast iron
Connection method: flange
| Ductile Iron Ball Valve Main parts and materials | |||
| Parts name | Material | ||
| Valve body / sphere | Gray cast iron, ductile cast iron | ||
| Sealing ring | PTFE | ||
| Valve stem | Carbon steel, stainless steel | ||
| handle | Grey cast iron | ||
| Ductile Iron Ball Valve Function and specification | |||||||
| Type | Nominal pressure （mpa） | esting pressure（mpa） | Suitable temperature | Suitable medium | |||
| Strength (Water) | Enclose (Water) | ||||||
| Q41F-16 | 1.6 | 2.40 | 1.76 | —10—100℃ | Steam, water, oil | ||
| Ductile Iron Ball Valve Outline and connecting measurement | |||||||
| Type | Nominal DN(mm） | Measurement（mm） | |||||
| L | D | D1 | D2 | b-f | z-φd | ||
| Q41F-16 | 20 | 150 | 105 | 75 | 55 | 16-2 | 4*φ14 |
| 25 | 160 | 115 | 85 | 65 | 16-2 | 4*φ14 | |
| 32 | 165 | 135 | 100 | 78 | 18-2 | 4*φ18 | |
| 40 | 180 | 145 | 110 | 85 | 18-3 | 4*φ18 | |
| 50 | 203 | 160 | 125 | 100 | 20-3 | 4*φ18 | |
| 65 | 222 | 180 | 145 | 120 | 20-3 | 4*φ18 | |
| 80 | 241 | 195 | 160 | 135 | 22-3 | 8*φ18 | |
| 100 | 305 | 215 | 180 | 155 | 24-3 | 8*φ18 | |
| 125 | 356 | 245 | 210 | 185 | 26-3 | 8*φ18 | |
| 150 | 394 | 280 | 240 | 210 | 28-3 | 8*φ23 | |
| 200 | 457 | 335 | 295 | 265 | 30-3 | 12*φ23 | |
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