WAFER BUTTERFLY VALVE

Dimensions,connections and weights of butterfly valye.                        Back                 Next
mm Inch A B C D E G  A G  LT K L H * D1 * D2 * n-Ø * n-M A/LT(KG)
50 2" 161 80 42 52.9 57.15 100 121 77 32 84.84 120 125 4-23 4-M16 2.5/4.3
65 2.5" 175 89 44.7 64.5 57.15 120 138 77 32 96.2 136.2 145 4-26.5 4-M16 3.2/4.7
80 3" 181 95 45.2 78.8 57.15 127 146 77 32 61.23 160 160 8.18 8-M16 3.6/4.9
100 4" 200 114 52.1 104 69.85 156 206 92 32 70.80 185 180 4-24.5 8-M16 4.9/9.1
125 5" 213 127 54 123.3 69.85 190 234 92 32 82.28 215 210 4-23 8-M16 7/12.1
150 6" 226 139 55.8 155.6 69.85 212 262 92 32 91.08 238 240 4-25 8-M20 7.8/13.2
200 8" 260 175 60.6 202.5 88.9 268 313 115 45 76.35 295 295 4-25 8-M20 13.2/19.5
112.89 4-23 12-M20
250 10" 292 203 65.3 250.5 88.9 325 394 115 45 92.4 357 350 4-29 12-M20 19/29.5
455 12-M24
300 12" 337 242 76.9 301.6 107.95 403 468 140 45 105.34 407 400 4-29 12-M20 32.5/49
410 12-M24
350 14" 368 267 76.5 333.7 107.95 436 515 140 45 91.11 467 460 4-30 16-M20 42.5/72
470 16-M24
400 16" 400 297 86.5 390.1 158.75 488 580 197 51.2 100.47 515 515 4-26 16-M24 52/90
102.42 525 525 4-30 16-M27
450 18" 422 315 105.6 441.2 158.75 539 627 197 51.2 88.39 565 565 4-26 20-M24 87/111
91.51 585 585 4-30 20-M27
500 20" 480 348 131.8 491.5 156.25 593 696 197 64.2 96.99 620 620 4-26 20-M24 98/123
101.68 650 650 4-33 20-M30
600 24" 562 444 152 592.5 215.9 693 821 276 70.2 113.42 725 725 4-30 20-M27 133/178
120.46 770 770 4-36 20-M33
700 28" 624 520 163 695 254 800 　 300 66 109.65 　 840 4-30 　 187
800 32" 672 591 188 794.7 254 910 　 300 66 124 　 950 4-33 　 387

Technical Data
Dn Nominal Diameter 50(2")~1000(40") 50(2")~800(32") mm(inch)
PN Nominal Pressure 1.0 1.6 MPa
Testing Pressure Shell 1.5 2.4
Sealing 1.1 1.76
Working Temperature
Suitable Mediums Fresh Water,Sewage,Sea Water,Air, Vapour,Food,Medicine,Oils,Acids,Alkalis,Salts,etc.
Material of Main Parts
Body Disc Stem Bushing Seat
Name Code Name Code Name Name Name Code Working Temp. ＜C
CAST IRON Z Plated Ductile Iron B1 Stainless Steel Lubrized Bronze NR X1 -20~+85
Ductile Iron Q Aluminum Bronze B2 Carbon Steel PTFE Hypalon X2 -18~+15 Intemittence -18~+149
Aluminum Bronze T ZG1Cr18Ni9Ti Stainless Steel B3 　 　 EPDM X3 -45~+135 Intemittence -50~+150
ZG1Cr18Ni9Ti Stainless Steel P Titamium Steel B4 　 　 Neoprene X4 -7~+93 Intemittence -7~+107
CF8M Stainless Steel R CF8M Stainless Steel B5 　 　 NBR X5 -12~+82 Intemittence -12~+93
Carbon Steel C Carbon Steel B6 　 　 Wear-resistant Rubber X6 -10~+50
　 　 CF8M Stainless Steel B7 　 　 VITON X7 -23~+150
　 　 　 　 　 　 Heat-resistant Rubber X9 -20~+150
　 　 　 　 　 　 PTFE F4 +10~+150