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Semi Lugged Gas Isolation Butterfly Valve

butterfly valve diagram

Ductile Iron Butterfly Valve
Wafer Type

  • Features
  • Universal Flange Mounting PN10 PN16 ASA150
  • BS5155 (BS EN 593)
  • ISO 5211 Direct Mount
  • Lockable Handle
  • Epoxy Coat Finish

Dimensions

DN 50 65 80 100 125 150 200 250 300
A 142 154 161 179 193 204 250 282 326
B 60 78 87 105 120 138 174 209 242
C 56 56 56 56 56 56 71 71 71
D 125 145 160 180 210 240 295 355 410
E 11 11 11 11 14 14 17 22 22
F 70 70 70 70 70 70 102 102 102
G 90 90 90 90 90 90 125 125 125
H 19 19 19 19 19 19 25 30 30
H1 31 31 31 36 36 36 42 42 42
L 41.4 44 44.6 51.4 53.8 55.1 59.5 65 75.9
L1 176 176 176 225 225 225 300 359 359
Holes 4x19 4x19 8x19 8x19 8x19 8x23 12x23 12x28 12x28
n-Øp 4x10 4x10 4x10 4x10 4x10 4x10 4x12 4x12 4x12
Torque 19 21 28 43 60 91 194 295 412
Kgs 2.35 2.75 3.05 4.7 5.5 6.75 11.6 20.4 29.1

Materials

N. Part Name Materials
1 Body Ductile Iron GGG40
2 Disc Stainless Steel 316
3 Seat NBR
4 Upper Shaft Stainless Steel 410
5 Lower Shaft Stainless Steel 411
6 Short Bush PTFE
7 Long Bush PTFE
8 Split Pin Spring Steel
9 Circlip Spring Steel
10 O-Ring EPDM
11 Bolt Carbon Steel
12 Lever DN 50-150 Aluminium DN200-300 DI

 

Technical Data

Max. Pressure 16 Bar
Working Temperature -0°C to +90°C
 

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