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Wafer-type soft sealing butterfly valve
Model: D371X
Nominal diameter: DN40 ~ 350mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Main material: ductile iron, cast , steel, stainless steel
Design criteria: GB / T12238-1989, lS0 10631-1994 or BS EN593-1998
Flange size GB / T17241.6-1998, IS0 7005 -2 or
BS EN 1092-2002 Length of construction: GB / T1 2221-1989, lS0 5752-1988 or BS EN558-1
Pressure test: GB / T13927-1992, JB / T9092-1999, lS0 5028-1993 or BS 6755- l-1986
Product details

Wafer soft seal butterfly valve uses and characteristics
 
soft seal butterfly valve for temperature ≤120 ℃, nominal pressure ≤16MPa food, pharmaceutical, chemical, oil, electricity, alloy, construction, textile, paper and other drainage, gas pipe for Regulate flow and shut off media. 
 
 The main features of soft butterfly valve seal
 
 1, the design is novel, reasonable, unique structure, light weight, quick opening and closing. 
 2, torque is small, easy to operate, labor-saving smart. 
 3, can be installed in any location, easy maintenance. 
 4, seals can be replaced, sealing performance and reliable two-way seal to achieve zero leakage. 
 5, sealing material aging resistance, corrosion resistance, long life and other characteristics. 
 
 Wafer sealing butterfly valve main dimensions and weight (PN1.0 / 1.6MPa)

DN (mm) A B C D1 L n-Φ K E 4-Φ1 Φ2 G Weight WT (kg)
50 140 80 43 125 32 4-19 77 57.15 4-6.7 12.6 100 3.34
65 152 89 46 145 32 4-19 77 57.15 4-.67 12.6 120 3.94
80 159 95 45.21 160 32 8-19 77 57.15 4-.67 12.6 127 4.05
100 178 114 52.07 180 32 8-19 92 69.85 4-10.3 15.77 156 5.48
125 190 127 55.5 210 32 8-19 92 69.85 4-10.3 18.92 190 7.66
150 203 139 55.75 240 32 8-23 92 69.85 4-10.3 18.92 212 8.5
200 238 175 60.58 295 45 8-23 115 88.9 4-14.3 22.1 268 25
250 268 203 68 350 45 12-23 115 88.9 4-14.3 28.45 325 31.4
300 306 242 76.9 400 45 12-23 140 107.95 4-14.3 31.6 403 45.9
350 368 267 76.17 460 45 16-23 140 107.95 4-14.3 31.6 436 54