Butterfly VALVES - BFV-LUG-Series
GENERAL FEATURES
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- Wafer type Body with Lug to suit ANSI and DIN connection flanges
- Rated to 150/125 class
- Designed to API 609, ASME B16.34
- Actuator mounting is designed to ISO 5211:2017
- Disc edge is machined and polished 360° to provide tight shut-off and low torque
- Robust bushing to align shaft and support the shaft
- Properly machined shaft in accordance with torque requirements
- Secondary and primary seals are standard to prevent leakage and external contamination
- Robust seat lining to avoid warping during installation
- Spring loaded lever up to 250 NB and gearbox for higher sizes is standard
- Electric and pneumatic actuators can be supplied on request
- Indexing scale indicating percentage of opening can be provided
- Grooved handle arrangement to lock valves at various positions can be provided optionally
Material Specification
| COMPONENT | MATERIAL |
|---|---|
| Body | CI to IS 210, Ductile Iron, ASTM A216 WCB, CF8, CF8M |
| Pin | SS 316 |
| Disc | CI / DI with anti-corrosive coat, SS 304, SS 316, SS 410 |
| Shaft | SS 304, SS 316 |
| Seat |
EPDM (-25 to 105°C) BUNA N (-20 to 80°C) VITON (-20 to 135°C) PTFE (-20 to 180°C) |
| Seal | BUNA N O-Ring, PTFE O-Ring |
| Bushing | DELRIN |
Cv Chart
| Size | Degrees Open | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 10° | 20° | 30° | 40° | 50° | 60° | 70° | 80° | 90° | |
| 2" | 0 | 1.3 | 5 | 14 | 26 | 40 | 52 | 59 | 60 |
| 2-1/2" | 0 | 1.4 | 6 | 21 | 44 | 74 | 107 | 138 | 151 |
| 3" | 0.7 | 1.5 | 8 | 29 | 67 | 115 | 175 | 234 | 262 |
| 4" | 1.7 | 15 | 48 | 107 | 196 | 318 | 463 | 589 | 647 |
| 5" | 3 | 32 | 99 | 206 | 362 | 579 | 832 | 1045 | 1141 |
| 6" | 4 | 47 | 145 | 295 | 510 | 810 | 1160 | 1450 | 1580 |
| 8" | 6 | 84 | 239 | 450 | 751 | 1190 | 1754 | 2385 | 2892 |
| 10" | 9 | 133 | 360 | 652 | 1064 | 1683 | 2524 | 3596 | 4593 |
| 12" | 12 | 192 | 509 | 899 | 1449 | 2288 | 3470 | 5085 | 6682 |
| 14" | 75 | 340 | 770 | 1400 | 2200 | 3400 | 5600 | 7900 | 10000 |
| 16" | 100 | 440 | 1000 | 1800 | 2800 | 4500 | 7400 | 10800 | 13000 |
| 18" | 130 | 570 | 1300 | 2300 | 3600 | 5800 | 9600 | 15000 | 18000 |
| 20" | 150 | 710 | 1600 | 2900 | 4600 | 7200 | 12000 | 18400 | 22000 |
Dimensions
| NB | A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|
| 25 | 33 | 51 | 104 | 102.5 | 68 | 130 | 102 | 110 | 150 |
| 32 | 33 | 56 | 110 | 102.5 | 68 | 130 | 102 | 110 | 150 |
| 40 | 33 | 63 | 116 | 102.5 | 50 | 130 | 170 | 110 | 150 |
| 50 | 43 | 62 | 126 | 102.5 | 50 | 130 | 170 | 110 | 150 |
| 65 | 46 | 69 | 136 | 102.5 | 50 | 130 | 170 | 110 | 150 |
| 80 | 46 | 90 | 15 | 102.5 | 69 | 130 | 206 | 110 | 150 |
| 100 | 52 | 106 | 170 | 102.5 | 69 | 130 | 206 | 110 | 150 |
| 125 | 56 | 119 | 180 | 102.5 | 90 | 130 | 285 | 110 | 150 |
| 150 | 56 | 131 | 200 | 102.5 | 90 | 130 | 285 | 110 | 150 |
| 200 | 60 | 166 | 230 | 290 | 72 | 135 | 400 | 155 | 300 |
| 250 | 68 | 202 | 266 | 190 | 72 | 226 | 530 | 170 | 300 |
| 300 | 78 | 235 | 92 | 190 | NA | 226 | NA | 170 | 300 |
| 350 | 78 | 267 | 368 | 183 | NA | 216 | NA | 151 | 285 |
| 400 | 102 | 297 | 400 | 183 | NA | 216 | NA | 151 | 285 |
| 450 | 114 | 318 | 422 | 183 | NA | 216 | NA | 151 | 285 |
| 500 | 127 | 355 | 480 | 311 | NA | 256 | NA | 214 | 285 |
| 600 | 154 | 444 | 562 | 386 | NA | 285 | NA | 262 | 385 |