Main technical parameters of butterfly valve for fire signal
| model | XD371X-10/16/25Q/C | ||
| Nominal pressure (PN) | 10 | 16 | 25 |
| Sealing test (MPA) | 1.1 | 1.76 | 2.75 |
| Shell pressure (MPA) | 1.5 | 2.4 | 3.75 |
| Applicable temperature£¨¡Ü¡æ£© | 80 | ||
| Applicable media | water | ||
Material of main parts of fire signal double clip butterfly valve
| Part name | Material Science |
| valve body | Ductile iron / cast steel |
| Disc | Ductile iron / stainless steel |
| seal ring | rubber |
| Stem | stainless steel |
Main external connection dimensions of butterfly valve for fire signal Company£ºmm
| DN | L | PN10 | PN16 | PN25 | H | H1 | |||
| D1 | Z-¦µd | D1 | Z-¦µd | D1 | Z-¦µd | ||||
| 50 | 43 | 125 | 4-18 | 125 | 4-18 | 125 | 4-18 | 160 | 80 |
| 65 | 46 | 145 | 4-18 | 145 | 4-18 | 145 | 4-18 | 175 | 88 |
| 80 | 46 | 160 | 4-18 | 160 | 4-18 | 160 | 4-18 | 180 | 96 |
| 100 | 52 | 180 | 4-18 | 180 | 4-18 | 190 | 4-22 | 200 | 115 |
| 125 | 56 | 210 | 4-18 | 210 | 4-18 | 220 | 4-26 | 213 | 128 |
| 150 | 56 | 240 | 4-22 | 240 | 4-22 | 250 | 4-26 | 225 | 140 |
| 200 | 60 | 295 | 4-22 | 295 | 4-22 | 310 | 4-M24 | 260 | 175 |
| 250 | 68 | 350 | 4-22 | 355 | 4-26 | 370 | 4-M27 | 290 | 202 |
| 300 | 78 | 400 | 4-22 | 410 | 4-26 | 430 | 4-M27 | 330 | 242 |
| 350 | 78 | 460 | 4-22 | 470 | 4-26 | 490 | 4-M30 | 415 | 308 |
| 400 | 102 | 515 | 4-26 | 525 | 4-30 | 550 | 4-M33 | 460 | 348 |
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