SKU: BFL

Lugged Ductile Iron Butterfly Valve

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  • Lugged Ductile Iron Butterfly Valve
  • EPDM seat, 316 SS Disc, splined shaft
  • Watermark & Standards Mark approved
  • ISO pad for direct actuation mount
  • Lockable Handle & notch plate
Model Size (mm) Pressure Range Temperature Square drive size ISO Mtg Torque (Nm)
BFL50-L-E 50 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 12.5
BFL65-L-E 65 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 16.5
BFL80-L-E 80 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 24
BFL100-L-E 100 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 11mm F07 41
BFL125-L-E 125 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 56
BFL150-L-E 150 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 95
BFL200-L-E 200 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 17mm F10 185
BFL250-L-E 250 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 290
BFL300-L-E 300 Vacuum to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 340
BFL350-G-E 350 Vacuum to 10 Bar -20°C to 90°C (40°C Potable) 22mm F10 824
BFL400-G-E 400 Vacuum to 10 Bar -20°C to 90°C (40°C Potable) 22mm F14 1073
BFL450-G-E 450 Vacuum to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1602
BFL500-G-E 500 Vacuum to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1953
BFL600-G-E 600 Vacuum to 10 Bar -20°C to 90°C (40°C Potable) 36mm F16 3561

Sizes 50mm to 300mm

Model Size (DN) H H1 H2 C C1 B L0 P AS4087 PN16 AS2129 Table E ANSI 150 ØK ISO pad
D1 n-M D1 n-M D1 n-M
BFL50-L-E 50 255 225 70 42 46.1 30 262 9 114 4-M16 114 4-M16 120.5 4-5/8" 77 F05
BFL65-L-E 65 275 245 77 44.7 49.1 30 262 9 127 4-M16 127 4-M16 139.5 4-5/8" 77 F05
BFL80-L-E 80 291 261 87 45.2 18.4 30 262 9 146 4-M16 146 4-M16 152.5 4-5/8" 77 F05
BFL100-L-E 100 335 305 112 52.1 55.3 30 262 11 178 4-M16 178 8-M16 190.5 8-5/8" 90 F07
BFL125-L-E 125 362 332 128 54.4 58.8 30 262 14 210 8-M16 210 8-M16 216 8-3/4" 90 F07
BFL150-L-E 150 391 361 143 55.8 59.1 30 262 14 235 8-M16 235 8-M20 241.5 8-3/4" 90 F07
BFL200-L-E 200 463 423 173 60.6 64.1 40 348 17 292 8-M16 292 8-M20 298.5 8-3/4" 125 F10
BFL250-L-E 250 539 499 210 65.6 71.8 40 510 22 356 8-M20 356 12-M20 362 12-7/8" 125 F10
BFL300-L-E 300 618 578 244 76.9 81 40 510 22 406 12-M20 406 12-M24 432 12-7/8" 125 F10

C dimension relates to body thickness & C1 relates to seat thickness.

All dimensions in mm unless shown otherwise. 

Sizes 350mm to 600mm

Model Size (DN) Gearbox ØA B C D E F G H L AS2129 Table E
D1 n-M
BFL350-G-E 350 GB3 300 266 80.3 89.5 98.5 41 76.5 635 45 470 12-M24
BFL400-G-E 400 GB4 350 330.5 110.7 107.5 120 49 86.5 709 51.2 521 12-M24
BFL450-G-E 450 GB4 350 330.5 110.7 107.5 120 49 105.6 750 51.2 584 16-M24
BFL500-G-E 500 GB4 350 330.5 110.7 107.5 120 49 131.8 841 64.2 641 16-M24
BFL600-G-E 600 GB5 400 327.5 119.1 112.7 160 55 152 1021 70.2 756 16-M30

All dimensions in mm unless shown otherwise

Sizes 50mm to 300mm

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron (FBE Coated) AS1831500-7 ASTM A536
2 Seat EPDM 70 IRHD -
3 Shaft Stainless Steel SS431 ASTM A370
4 Disc Stainless Steel CF8M ASTM A370
5 Bushing Polymers PTFE -
6 O Ring NBR 70 IRHD -
7 Handle Ductile Iron (FBE Coated) AS1831500-7 ASTM A536
8 Circlip Stainless Steel SS316 ASTM A370
9 Card Stainless Steel SS316 ASTM A370
10 Bolts & Nuts Stainless Steel A4-70 -

Sizes 350mm to 600mm

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron (FBE Coated) AS1831500-7 ASTM A536
2 Seat EPDM 70 IRHD -
3 Shaft Stainless Steel SS431 ASTM A370
4 Disc Stainless Steel CF8M ASTM A370
5 Bushing Polymers PTFE -
6 O Ring NBR 70 IRHD -
7 Card Stainless Steel SS316 ASTM A370
8 Gearbox Cast Iron    

Size 50mm to 600mm
Body FBE Coated Ductile Iron
Seat EPDM
Disc 316 Stainless Steel
Pressure Up to 16 BAR (depending upon size)
Actuation Lever or Gearbox

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