Description
Wafer Butterfly Valve
Wafer Butterfly Valve, the most reliable industrial solution for your needs. This valve features a cartridge type seat, streamlined disc and strong stem-to-disc connection, providing superior performance for many industrial applications such as food and beverage, pulp and paper, chemical, mining, water treatment, power plants etc. With ISO5211 top flange and stem square suitable for direct mounting of actuators as well as stem anti-blowout design to keep safety in field use; this valve is designed to perform at its best on the job. Furthermore it comes with a dirtscraper that prevents moisture penetrating into the shaft area while its multi-standard alignment holes are suitable for various standard of flanges of EN1092 PN10, PN16, ASME B16.5 CLASS150, JIS B2239 10K 16K & BS 10 table D & E. Suitable for high pressure and full vacuum service due to the use of a cartridge seat design; you don’t need any exposed pins or bolts for stem-to-disc connection nor do you need any flange gaskets meaning no risk of damage during installation in closed position. And with bubble tight shutoff at full pressure rating & large flow capacity thanks to the streamline disc design; this revolutionary valve is also equipped with plug O-ring sealing which eliminates any leakage from the stem. Get yours today and experience unmatched performance!
Wafer concentric butterfly valve features a cartridge type seat, streamlined disc and strong stem-to-disc connection for easy use in many industrial applications such as food and beverage, pulp and paper, chemical, mining, water treatment, power plants, etc.
1: ISO5211 top flange together with stem square suitable for direct mounting of actuators
2: Stem anti-blowout design keep safety in field use
3: Dirtscraper prevents moisture penetrating into the shaft area
4:Multi-standard alignment holes suitable for various standard of flanges of EN1092 PN10, PN16, ASME B16.5 CLASS150, JIS B2239 10K, 16K, BS 10 Table D, Table E
5: Suitable for high pressure and full vacuum service due to the use of a cartridge seat design
6: No exposed pins or bolts for stem-to-disc connection
7: No need for flange gaskets
8: No risk of damage to the valve during installation in closed position
9: Bubble-tight shut of at full pressure rating
10: Large flow capacity and enough strength because of streamline disc design
11: Plug with O-ring sealing eliminates any leakage from the stem
NO. | Part name | Material |
1 | Body | ASTM A536 65-45-12, WCB, CF8M |
2 | Disc | ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462 |
3 | Seat | EPDM,NBR,FRM.PTFE |
4 | Stem | SS420,SS431 |
5 | Lower Stem | SS420,SS431 |
6 | Retalner | Nylon for DN50-DN300, SS304 for DN350-DN2000 |
7 | Bearing | RPTFE with Graphite on I.D. |
8 | Weather seal | NBR |
9 | Nuts | Stainless steel |
10 | Plug | Steel galvanized for DN50-DN300, Cover plate for DN350-DN2000 material same as body with SS304 bolts |
11 | Screw | SS304 |
TECHNICAL DATA
Body style | wafer |
Nominal diameter | 2″ – 80″ (DN50mm – DN2000mm) |
Top flange | ISO5211 |
Operating pressure | 16bar for DN50-DN300, 10bar for DN350-DN2000 |
Temperature range | -20 °C to + 140 °C (depending on pressure, medium and material) |
Flange accommodation | EN 1092 PN 6/PN10/PN16 ASME Class 150 AS 4087 PN10/ PN16 JIS 5K/10K |
Applications | Potable Water, Wastewater, Seawater, HVAC |
Operation | Hand lever, gear box, pneumatic actuator, electric actuator |
DIMENSIONS (mm)
SIZE | A | B | C | D | E | F | d | G | H | L | WT(kg) | |
DN | INCH | |||||||||||
50 | 2″ | 126 | 78 | 13.5 | 94.3 | 9 | 50 | 8 | 70 | 31 | 43 | 2 |
65 | 2 1/2″ | 134 | 84 | 13.5 | 107.6 | 9 | 50 | 8 | 70 | 45 | 46 | 2.5 |
80 | 3″ | 138 | 92 | 13.5 | 123.9 | 9 | 50 | 8 | 70 | 64 | 46 | 3 |
100 | 4″ | 167 | 114 | 13.5 | 157 | 11 | 70 | 10 | 90 | 91 | 52 | 4.5 |
125 | 5″ | 180 | 129 | 17.5 | 181.5 | 14 | 70 | 10 | 90 | 110 | 56 | 6 |
150 | 6″ | 203 | 144 | 17.5 | 212 | 14 | 70 | 10 | 90 | 146 | 56 | 7 |
200 | 8″ | 228 | 179 | 24.5 | 267.4 | 17 | 102 | 12 | 125 | 193 | 60 | 12 |
250 | 10″ | 266 | 216 | 25 | 323.6 | 22 | 102 | 12 | 125 | 241 | 68 | 17 |
300 | 12″ | 291 | 247 | 25 | 377.4 | 22 | 102 | 12 | 125 | 292 | 78 | 25 |
350 | 14″ | 332 | 273 | 30 | 425 | 27 | 125 | 14 | 150 | 329 | 78 | 41 |
400 | 16″ | 363 | 317 | 30 | 484 | 27 | 125 | 14 | 150 | 376 | 102 | 58 |
450 | 18″ | 397 | 348 | 39 | 537 | 36 | 140 | 18 | 175 | 425 | 114 | 80 |
500 | 20″ | 425 | 393 | 39 | 589.5 | 36 | 140 | 18 | 175 | 475 | 127 | 97 |
600 | 24″ | 498 | 453 | 49 | 693.1 | 46 | 165 | 22 | 210 | 573 | 154 | 169 |
700 | 28″ | 626 | 531 | 90 | 928 | 63.1 | 254 | 18 | 300 | 674 | 165 | 252 |
750 | 30″ | 660 | 564 | 90 | 984 | 63.1 | 254 | 18 | 300 | 727 | 165 | 290 |
800 | 32″ | 666 | 601 | 90 | 1061 | 63.1 | 254 | 18 | 300 | 771 | 190 | 367 |
900 | 36″ | 722 | 660 | 110 | 1170 | 74.7 | 254 | 18 | 300 | 839 | 203 | 465 |
1000 | 40″ | 806 | 728 | 120 | 1290 | 83.7 | 298 | 22 | 350 | 939 | 216 | 606 |
1100 | 44″ | 826 | 771 | 140 | 1404 | 94.7 | 298 | 22 | 350 | 1036 | 255 | 805 |
1200 | 48″ | 941 | 874 | 150 | 1511 | 104.7 | 298 | 22 | 350 | 1137 | 276 | 900 |
1400 | 56″ | 1000 | 940 | 175 | 1685 | 139.9 | 356 | 32 | 415 | 1351 | 279 | 1158 |
1600 | 64″ | 1155 | 1085 | 195 | 1930 | 160 | 356 | 32 | 415 | 1548 | 318 | 1684 |
1800 | 72″ | 1200 | 1170 | 195 | 2170 | 174.5 | 406 | 39 | 475 | 1703 | 356 | 2645 |
2000 | 80″ | 1363 | 1360 | 245 | 2345 | 199 | 406 | 39 | 475 | 1938 | 406 | 4000 |