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Literature

WAFER & LUG TYPE BUTTERFLY VALVES

Lug Type BUTTERFLY VALVE (Model: BTV-LT) overall & connection dimensions & weight
\
Size A B C D L H D1 n-M K E n1-Φ1 Φ2 G Weight
(Kg)
mm inch
50 2" 161 80 42 52.9 22 88.38 125 4-M16 90 70 4-7 12.6 118 3.8
65 2.5" 175 89 4437 64.5 22 102.54 145 4-M16 90 70 4-7 12.6 137 4.2
80 3" 181 95 45.2 78.8 22 61.23 160 8-M16 90 70 4-7 12.6 178 4.7
100 4" 200 114 52.1 104 22 68.88 180 8-M16 90 70 4-10 15.77 206 9.0
125 5" 213 127 54.4 123.3 22 80.36 210 8-M26 90 70 4-10 18.92 238 10.9
150 6" 226 139 55.8 156.6 22 91.84 240 8-M20 90 70 4-10 18.92 266 14.2
200 8" 260 175 60.6 202.5 34.5 112.89 295 8-M20 125 102 4-12 22.10 329 18.2
              76.35   12-M20            
250 10" 292 203 65.6 250.5 34.5 90.59 350 12-M20 125 102 4-12 28.45 393 26.8
              91.88 355 12-M24            
300 12" 337 242 76.9 301.6 34.5 103.52 400 12-M20 150 125 4-14 31.60 462 40
              106.12 410 12-M24            
350 14" 368 267 76.5 333.3 65 89.74 460 16-M20 175 140 4-18 31.60 515 56
              91.69 470 16-M24            
400 16" 400 309 86.5 389.6 75 100.48 515 16-M24 175 140 4-18 33.15 579 96
              102.42 525 16-M27            
450 18" 422 328 105.6 440.51 75 88.38 565 20-M24 175 140 4-18 38 627 122
              91.59 585 20-M27            
500 20" 480 361 131.8 491.6 90 96.99 620 20-M24 210 165 4-22 41.15 696 202
              101.68 650 20-M30            
              113.42 725 20-M27            
600 24" 562 459 152 592.5 100 120.46 770 20-M33 210 165 4-22 50.65 821 270

Features
 DN50(2")--DN800 (32") Type "wafer" butterfly valves are suitable for the pressure PN10 and PN16 grades separately. Two dimensions in one column show the connection dimensions of Pn10/PN16 pressure grades. The upper flanges of the valves are suitable all types of valves fitted with electric; worm gearing, manual, pneumatic and actuators.

 The dimensions DI and n-? of DN500 (20") listed in above table show the installation dimensions of butterfly valve. Of which, the dimensions DI and n-? of DN50 (2")--DN350 (14") contain the standard of DIN2501, BS4504, ISO2084, ISO2531, BS10-E, ANSI125 for flanged connection and DN400 (16")--DN500 (20") contain the standard of DIN2501, ISO2084 and BS4504.