Pneumatic Metal Hard-sealed Wafer Butterfly Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Pneumatic metal hard-sealed wafer butterfly valves
Technical performance
D673H pneumatic metal hard-sealed butterfly valve is mainly applied to the pipeline of water, steam, oil, air, gas and other media, particularly the automatic pipeline of the flammable and explosive medium, it is safer to choose to pneumatic butterfly valve installed pneumatic actuator. The main features are: 1, suitable temperature -20 ~ +425 º C; 2, large work pressure, wear-resistant, and a long service life, open and close quickly; 3, with self-centering effect, and the leakage is small; 4, pneumatic actuator is small, easy and accurate to use, strong power. The D673H pneumatic metal hard-sealed butterfly valve manufactured by Shanghai Fengqi Industry development Co.,ltd has been working as a regulating media flow and hoist device in the pipeline of food, beverage, pharmaceutical, petrochemical, power plants, steel mills, industrial environmental water treatment, high-rise building to a variety of drainage pipes.
Dimensions & constructral diagram
Pneumatic metal hard-sealed wafer butterfly valve constructral diagram(pic1)
Pneumatic metal hard-sealed wafer butterfly valve constructral diagram(pic2)
The main external dimensions of D673H-10/16
| Nominal diameter （DN）(mm) | main dimension | flange dimensions and bolt specifications | |||||
| 1.0 MPa | 1.6 MPa | ||||||
| L | H | H1 | D1 | 4-Ф-M | D1 | 4-Ф-M | |
| 50 | 43 | 625 | 112 | 125 | Ф18 | 125 | Ф18 |
| 65 | 46 | 625 | 115 | 145 | Ф18 | 145 | Ф18 |
| 80 | 49 | 645 | 120 | 160 | Ф18 | 160 | Ф18 |
| 100 | 56 | 675 | 138 | 180 | Ф18 | 180 | Ф18 |
| 125 | 64 | 715 | 164 | 210 | Ф18 | 210 | Ф18 |
| 150 | 70 | 800 | 175 | 240 | Ф23 | 240 | Ф23 |
| 200 | 71 | 850 | 208 | 295 | M20 | 295 | M20 |
| 250 | 76 | 925 | 243 | 350 | M20 | 355 | M24 |
| 300 | 83 | 1035 | 283 | 400 | M20 | 410 | M24 |
| 350 | 92 | 1070 | 310 | 460 | M20 | 470 | M24 |
| 400 | 102 | 1190 | 340 | 515 | M24 | 525 | M27 |
| 450 | 114 | 1250 | 380 | 565 | M24 | 585 | M27 |
| 500 | 127 | 1290 | 410 | 620 | M24 | 650 | M30 |
| 600 | 154 | 1455 | 470 | 725 | M27 | 770 | M33 |
| 700 | 165 | 1585 | 550 | 840 | M27 | 840 | M33 |
| 800 | 190 | 1700 | 640 | 950 | M30 | 950 | M36 |
| 900 | 203 | 1965 | 710 | 1050 | M30 | 1050 | M36 |
| 1000 | 216 | 2015 | 770 | 1160 | M33 | 1170 | M39 |
| 1200 | 254 | 2250 | 890 | 1380 | M36 | 1390 | M45 |
