Medium temperature: ≤80 ℃
Medium: gas such as liquid oxygen, liquid nitrogen
Caliber: DN15-250mm
Pressure: 1.6mpa
Body material: low temperature steel
Connection method: flange
| Low Temperature Bar Ball Valve Material of main parts | ||
| Part Name | material | |
| Body / bonnet | LCB, LC1, LC2 | |
| Sphere | stainless steel | |
| Sealing ring | Teflon | |
| Low temperature steel ball valve DQ41F performance specification | |||||||
| model | Nominal pressure (mpa) | Test pressure (mpa) | proper temperature | Applicable medium | |||
| Strength (water) | Sealed (water) | ||||||
| DQ41F | 1.60 | 2.40 | 1.76 | —196 ～ 80 ℃ | Liquid oxygen, liquid nitrogen and other gases | ||
| Cryogenic steel ball valve DQ41F external dimensions and connection dimensions | |||||||
| model | Nominal diameter (mm) | Size (mm) | |||||
| L | D | D1 | D2 | b | Zφd | ||
| British Standard Filter | 15 | 130 | 95 | 65 | 45 | 14 | 4 * φ14 |
| 20 | 140 | 105 | 75 | 55 | 14 | 4 * φ14 | |
| 25 | 150 | 115 | 85 | 65 | 14 | 4 * φ14 | |
| 32 | 165 | 135 | 100 | 78 | 16 | 4 * φ18 | |
| 40 | 180 | 145 | 110 | 85 | 16 | 4 * φ18 | |
| 50 | 203 | 160 | 125 | 100 | 16 | 4 * φ18 | |
| 65 | 222 | 180 | 145 | 120 | 18 | 4 * φ18 | |
| 80 | 241 | 195 | 160 | 135 | 20 | 8 * φ18 | |
| 100 | 305 | 215 | 180 | 155 | 20 | 8 * φ18 | |
| 125 | 356 | 245 | 210 | 185 | twenty two | 8 * φ18 | |
| 150 | 394 | 280 | 240 | 210 | twenty four | 8 * φ23 | |
| 200 | 457 | 335 | 295 | 265 | 26 | 12 * φ23 | |
| 250 | 533 | 405 | 320 | 320 | 30 | 12 * φ25 | |
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