Butterfly valves FLW/FLNW


Butterfly valves FLW/FLNW

High quality and ever-improving modern design determine this butterfly valve for industrial application, specially in water and gas supplies, heating systems, air condition, fire fighting, etc.

TYP DN PN  
FLW 32-150 16 standard
FLW 200-800 10 standard
FLNW 32-150 16 standard
FLNW 200-800 10 standard
FLNW 200-800 16 on request
Power industry   Oil and gas   Oil refinery and petrochemical industry   Chemical industry   Water service   Food industry   Metalurgy and cooking plants   Other industry  


DN Max. working pressure Dodání
32 - 150 16 standard
200 - 800 10 standard

Chart of main Dimensions

DN A B C D E F G H J K Weight ISO Q R S T
590 530 190 836 106 80 300 1226 294,9 F-25 254 8x18 5 200
695 610 203 1010 110 80 350 1415 459,5 F-25 254 8x18 5 200
770 675 216 1116 110 80 350 1555 580,7 F-25 254 8x18 5 200
815 733 216 1215 110 80 350 1658 715,5 F-25 254 8x18 5 200
875 818 254 1334 110 100 350 1803 963,3 F-30 298 8x23 5 230
25 [1"] 102,5 60,2 33 68 30 11 90 192,7 100 85 1,5 F-07 70 4x9
32 [1 1/4"] 102.5 60.2 33 68 30 11 90 192.7 100 85 1.5 F-07 70 4x9
40 [1 1/2"] 110 56 33 76 30 11 90 196 110 95 1.7 F-07 70 4x9
50 [2"] 120 61.5 43 100 30 11 90 211.5 123 120.6 2.4 F-07 70 4x9
65 [2 1/2"] 135 69 46 108 30 11 90 234 145 127 2.7 F-07 70 4x9
80 [3"] 141 94 46 124 30 11 90 265 160 145 3.2 F-07 70 4x9
100 [4"] 165 106 52 147 30 11 90 301 185.5 165 4.0 F-07 70 4x9
125 [5"] 180 126.5 56 180 33 14 90 339.5 225 206 6.2 F-07 70 4x9
150 [6"] 193 133 56 206 33 14 90 359 241.3 229 7.3 F-07 70 4x9
200 [8"] 225 170 60 257 33 17 90 428 305 280 11.1 F-07 70 4x9
250 [10"] 282.5 210 68 324 23 22 130 515.5 362 335 20.2 F-10 102 4x12 3 70
300 [12"] 308 240 78 376 23 22 130 571 431.8 394 29.6 F-10 102 4x12 3 70
350 [14"] 338.5 263 78 422 31 22 160 632.5 476.3 445 35.2 F-10 102 4x12 3 70
400 [16"] 380 308 102 480 31 27 160 719 540 510 55.5 F-12 125 4x14 4 85
450 [18"] 380.5 340 114 536 38 36 190 758.5 79.7 F-14 140 4x18 4 100
500 [20"] 432.5 380 127 593 38 36 210 850.5 114 F-14 140 4x18 4 100
600 [24"] 494 440 154 690 80 60 210 1014 170,9 F-16 165 4x22 5 130
700 [28"] 590 490 165 830 106 65 300 1198 252,9 F-25 254 8x18 5 200
800 [32"] 630 565 190 902 106 80 300 1301 346.5 F-25 254 8x18 5 200

Size with manual operating

DN C X E2 H2 Y2 L2 M2 kg 2 E3 H3 Y3 L3 M3 kg 3 Type E4 H4 Y4 L4 M4 N kg 4
32 [1 1/4"] 33 68 49 151 212 220 90 1,9 115 217 278 260 90 2,1 0 125 190 251 128 43,5 44,5 2,7
40 [1 1/2"] 33 76 49 159 215 220 90 2,1 115 225 281 260 90 2,3 0 125 198 254 128 43,5 44,5 2,9
50 [2"] 43 100 49 169 230 220 90 2.9 115 235 296 260 90 3.1 0 125 208 269 128 43.5 44.5 3.7
65 [2 1/2"] 46 108 49 184 253 220 90 3.0 115 250 319 260 90 3.2 0 125 223 292 128 43.5 44.5 3.8
80 [3"] 46 124 60 201 295 260 90 3.6 115 256 350 260 90 3.7 0 125 229 323 128 43.5 44.5 4.3
100 [4"] 52 147 60 225 331 260 90 4.4 115 280 386 260 90 4.5 0 125 253 359 128 43.5 44.5 5.1
125 [5"] 56 180 75 255 381 315 90 6.6 115 295 421 310 90 6.8 1 160 285 411 141 43.5 44.5 7.5
150 [6"] 56 206 75 268 401 315 90 7.6 115 308 441 310 90 7.8 1 160 298 431 141 43.5 44.5 8.5
200 [8"] 60 257 75 300 470 315 90 11.4 115 340 510 310 90 11.5 1A 200 355 525 152 52.5 53.5 13.4
250 [10"] 68 324 120 402 612 500 130 22.5 2 250 442 652 198 61 67 24.9
300 [12"] 78 376 120 428 668 500 130 32.7 2 250 468 708 198 61 67 35.1
350 [14"] 78 430 120 458 722 500 130 37.3 2 250 498 761 198 61 67 39.7
400 [16"] 102 485 2A 315 580 888 245 69 72.5 64.9
450 [18"] 114 536 3 400 630 970 274 96.5 91.5 98.3
500 [20"] 127 593 3 400 682 1062 274 96.5 91.5 142
600 [24"] 154 720 4 500 809 1288 416 137.5 140 219
700 [28"] 165 830 4 600 945 1447 416 137.5 140 283
800 [32"] 190 926 5 600 985 1570 448 137.5 140 480

Size with pneumatic acuator

DN C X Type A1 B1 C1 H1 Y1 L1 kg 1 Type A2 B2 C2 H2 Y2 L2 kg 2
32 [1 1/4"] 33 68 P00 36 44 129 231 291 125 2,5 P00S 36 44 129 231 291 160 2,8
40 [1 1/2"] 33 76 P00 36 44 129 239 295 125 2.7 P00S 36 44 129 239 295 160 3.0
50 [2"] 43 100 P00 36 44 129 249 310 125 3.5 P00S 36 44 129 239 310 160 3.8
65 [2 1/2"] 46 108 P05 45 53 122 257 236 146 4.1 P05S 45 53 122 257 326 194 4.9
80 [3"] 46 124 P05 45 53 122 263 357 146 4.6 P10S 47 55 127 268 362 236 5.7
100 [4"] 52 147 P05 45 53 122 287 393 146 5.4 P15S 55 60 148 313 419 266 7.9
125 [5"] 56 180 P10 47 55 127 307 434 182 7.9 P20S 60 67 161 341 467 312 11.9
150 [6"] 56 206 P15 55 60 148 341 474 203 9.7 P25S 74 78 191 384 517 362 16.3
200 [8"] 60 257 P20 60 67 161 386 556 234 14.4 P30S 82 94 211 436 606 479 26.8
250 [10"] 68 324 P25 74 78 191 473 683 276 26.7 P40S 106 120 292 574 784 598 57.2
300 [12"] 78 376 P30 83 94 211 519 759 349 40.1 P40S 106 120 292 600 840 598 67.4
350 [14"] 78 430 P40 106 120 272 610 873 444 53.2 P40S 106 120 272 610 873 598 72
400 [16"] 102 485 P40 106 120 272 652 960 444 73 P50S 122 135 383 763 1071 694 113
450 [18"] 114 536 P50 122 135 313 693 1033 524 109
500 [20"] 127 593 P50 122 135 313 745 1125 524 152
600 [24"] 154 720
700 [28"] 165 830
800 [32"] 190 926

Size with electric actuator (MOK)

DN MOK MOKED A B C D E F P R S T hm.
40 [1 1/2"] MOK 63 MOKED 63 - 247 213 160 98 245 110 413 33 76 9,1
50 [2"] MOK 63 MOKED 63 - 247 213 160 98 245 120 428.5 43 100 9.9
65 [2 1/2"] MOK 63 MOKED 63 - 247 213 160 98 245 135 451 46 108 10
80 [3"] MOK 63 MOKED 63 - 247 213 160 98 245 141 482 46 124 10.5
100 [4"] MOK 63 MOKED 63 - 247 213 160 98 245 165 518 52 147
125 [5"] MOK 125 MOKED 125 - 325 252 200 111 290 180 631.5 56 180 18.4
150 [6"] MOK 125 MOKED 125 - 325 252 200 111 290 193 651 56 206 19.8
150 [6"] MOK 250 MOKED 250 128 325 252 200 111 290 193 779 56 206 28.1
200 [8"] MOK 250 MOKED 250 128 325 252 200 111 290 225 848 60 257 31.8
250 [10"] MOK 250 MOKED 250 128 325 252 200 111 290 282.5 945.5 68 324 41.8
250 [10"] MOK 500 MOKED 500 - 386 325 250 128 362 282.5 878.5 68 324 47.8
300 [12"] MOK 500 MOKED 500 - 386 325 250 128 362 308 934 78 376 58
350 [14"] MOK 500 MOKED 500 155 386 325 250 128 362 338.5 987.5 78 430 62.6
350 [14"] MOK 1000 MOKED 1000 155 386 325 250 128 362 338.5 1142.5 78 430 80.6
400 [16"] MOK 1000 MOKED 1000 155 386 325 250 128 362 380 1229 102 485 100

Size with electric actuator (MOK Ex)

DN MOKP Ex B C D E F P R S T hm.
40 [1 1/2"] MOKP 100 Ex 266 261 160 112 260 110 432 33 76 11,4
50 [2"] MOKP 100 Ex 266 261 160 112 260 120 447.5 43 100 12.2
65 [2 1/2"] MOKP 100 Ex 266 261 160 112 260 135 470 46 108 12.3
80 [3"] MOKP 100 Ex 266 261 160 112 260 141 501 46 124 12.8
100 [4"] MOKP 100 Ex 266 261 160 112 260 165 537 52 147 13.6
125 [5"] MOKP 250 Ex 338 325 200 129 305 180 644.5 56 180 24.6
150 [6"] MOKP 250 Ex 338 325 200 129 305 193 664 56 206 25.6
200 [8"] MOKP 250 Ex 338 325 200 129 305 225 733 60 257 29.3
250 [10"] MOKP 600 Ex 403 404 250 346 282.5 895.5 68 324 51.8
300 [12"] MOKP 600 Ex 403 404 250 346 308 951 78 376 62
350 [14"] MOKP 600 Ex 403 404 250 346 338.5 1004.5 78 430 66.6

Possibilities of assembly between flanges

DN priruba 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800
PN 6 X X O X X X X X X X X X O O O - - -
PN 10 X X X X X X X X X X X X X X X X X X
PN 16 X X X X X X X X X X X X X X X X X X
ASA 150 Lbs X X X X X X X X X X X X X X X X X X
JIS 5k X X - X X X X X X X X - O O O O O -
JIS 10k X X X X X X X X X X O X X X X O X X
JIS 16k X X O O X X X O X O O O X - X O O X
BS, D - X O X X X X X X O X X O O O O - -
BS, E - X O X X X X X X X X X O X O O - -

PN 10

DN E e M L L1 No
32 [1 1/4"] 33 16 M16 90 110 4
40 [1 1/2"] 33 16 M16 90 110 4
50 [2"] 43 18 M16 100 120 4
65 [2 1/2"] 46 18 M16 100 120 4
80 [3"] 46 20 M16 110 130 8
100 [4"] 52 20 M16 110 130 8
125 [5"] 56 22 M16 120 140 8
150 [6"] 56 22 M20 130 150 8
200 [8"] 60 24 M20 130 160 8
250 [10"] 68 26 M20 150 170 12
300 [12"] 78 26 M20 160 180 12
350 [14"] 78 26 M20 170 180 16
400 [16"] 102 26 M24 180 210 16
450 [18"] 114 26 M24 190 220 16
450 [18"] 114 26 M24 60 220 8
500 [20"] 127 28 M24 210 230 20
600 [24"] 154 28 M27 240 270 20
700 [28"] 165 30 M27 260 280 20
700 [28"] 165 30 M27 80 280 8
800 [32"] 193 32 M30 290 320 20
800 [32"] 193 32 M30 80 320 8

PN 16

DN E e M L L1 No
32 [1 1/4"] 33 16 M16 90 110 4
40 [1 1/2"] 33 16 M16 90 110 4
50 [2"] 43 18 M16 100 120 4
65 [2 1/2"] 46 18 M16 100 120 4
80 [3"] 46 20 M16 110 130 8
100 [4"] 52 20 M16 110 130 8
125 [5"] 56 22 M16 120 140 8
150 [6"] 56 22 M20 130 150 8
200 [8"] 60 24 M20 130 160 12
250 [10"] 68 26 M24 150 170 12
300 [12"] 78 28 M24 160 180 12
350 [14"] 78 30 M24 170 190 16
400 [16"] 102 32 M27 200 220 16
450 [18"] 114 32 M27 210 240 16
450 [18"] 114 32 M27 60 240 8
500 [20"] 127 34 M30 230 260 20
600 [24"] 154 36 M33 260 290 20
700 [28"] 165 36 M33 270 300 20
700 [28"] 165 36 M33 85 300 8
800 [32"] 193 50 M36 330 360 20
800 [32"] 193 50 M36 100 360 8

ASA 150Lbs

DN E e M L L1 No
32 [1 1/4"] 33 117,5 W 1/2" 90 110 4
40 [1 1/2"] 33 17.5 W 1/2" 90 110 4
50 [2"] 43 19 W 5/8" 100 120 4
65 [2 1/2"] 46 22.2 W 5/8" 110 130 4
80 [3"] 46 23.8 W 5/8" 110 130 4
100 [4"] 52 23.8 W 5/8" 120 140 8
125 [5"] 56 23.8 W 3/4" 130 150 8
150 [6"] 56 25.4 W 3/4" 130 150 8
200 [8"] 60 28.6 W 3/4" 140 160 8
250 [10"] 68 30.2 W 7/8" 160 180 12
300 [12"] 78 31.7 W 7/8" 170 190 12
350 [14"] 78 34.9 W 1" 180 200 12
400 [16"] 102 36.5 W 1" 210 230 16
450 [18"] 114 39.7 W 1 1/8" 230 250 16
500 [20"] 127 46 W 1 1/8" 250 280 16
500 [20"] 127 46 W 1 1/8" 90 280 8
600 [24"] 154 47.6 W 1 1/4" 280 310 20
700 [28"] 165 52.5 W 1 1/4" 310 340 24
700 [28"] 165 52.5 W 1 1/4" 110 340 8
800 [32"] 193 57 W 1 1/2" 340 380 24
800 [32"] 193 57 W 1 1/2" 95 380 8