Model A fire signal butterfly valve
Model A fire signal butterfly valve
Nominal pressure: 1.0 / 1.6 / 2.5Mpa
Nominal diameter: DN50-350mm
Working temperature: -10 ℃ -80 ℃
Applicable medium: water, oil, gas
[Basic Information]
Fire special signal butterfly valve is the introduction of foreign advanced technology and self-developed midline butterfly valve, BWSX midline clip fire special signal butterfly valve has a simple structure, reliable sealing, open light, long life, easy maintenance and so on. It is widely used in water supply and drainage, building fire and other systems on a variety of pipes, especially in the fire pipe.
Fire Signal Butterfly Valve Main Parts:
| Serial number | Part Name | Material | Serial number | Part Name | Material |
| 1 | Body | Ductile iron | 7 | Sealing ring | NBR.EPDM |
| 2 | Valve shaft | SUS410 / SUS316 | 8 | Round gasket | SUS316 / brass |
| 3 | Butterfly board | Ductile iron spray, stainless steel | 9 | On the open loop | SUS316 / brass |
| 4 | Seat | EPDM, PTEE | 10 | Retaining ring | Spring steel |
| 6 | bushing | Bronze, polytetrafluoroethylene |
[Standard parameter]
| design standards | GB / T12238-2008 |
| Structure length | GB / T12221-2005 |
| Connection standard | JB / T 79.1-1994 |
| Pressure test | GB / T13927-2008 |
[Adaptation]
Now in the petrochemical industry, gas equipment, nuclear industry, power equipment, environmental water treatment, HVAC, steel metallurgy, industrial furnaces, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio-pharmaceuticals, food machinery , Textile printing and dyeing, paper and other industries have been widely used, but also national defense construction, science and technology construction of the preferred products.
Main dimensions and weight (PN1.0 / 1.6MPa)
| DN (mm) | A | B | C | D1 | L | n-Φ | K | E | 4-Φ1 | Φ2 | G | Weight WT (kg) |
| 50 | 140 | 80 | 43 | 125 | 32 | 4-19 | 77 | 57.15 | 4-6.7 | 12.6 | 100 | 3.34 |
| 65 | 152 | 89 | 46 | 145 | 32 | 4-19 | 77 | 57.15 | 4-.67 | 12.6 | 120 | 3.94 |
| 80 | 159 | 95 | 45.21 | 160 | 32 | 8-19 | 77 | 57.15 | 4-.67 | 12.6 | 127 | 4.05 |
| 100 | 178 | 114 | 52.07 | 180 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 15.77 | 156 | 5.48 |
| 125 | 190 | 127 | 55.5 | 210 | 32 | 8-19 | 92 | 69.85 | 4-10.3 | 18.92 | 190 | 7.66 |
| 150 | 203 | 139 | 55.75 | 240 | 32 | 8-23 | 92 | 69.85 | 4-10.3 | 18.92 | 212 | 8.5 |
| 200 | 238 | 175 | 60.58 | 295 | 45 | 8-23 | 115 | 88.9 | 4-14.3 | 22.1 | 268 | 25 |
| 250 | 268 | 203 | 68 | 350 | 45 | 12-23 | 115 | 88.9 | 4-14.3 | 28.45 | 325 | 31.4 |
| 300 | 306 | 242 | 76.9 | 400 | 45 | 12-23 | 140 | 107.95 | 4-14.3 | 31.6 | 403 | 45.9 |
| 350 | 368 | 267 | 76.17 | 460 | 45 | 16-23 | 140 | 107.95 | 4-14.3 | 31.6 | 436 | 54 |
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