SUNFORD VALVES

Centric Disc Butterfly Valve

Centric Disc Butterfly Valve

Design & Manufacturer Standards
Valve Design / Shell Thickness BS 5155 / API 609 / EN 596 / IS 13095
Face to Face BS 5155 / ISO 5752 / API 609
Flanged End Connections ASME B 16.5 / BS 10 TAB D & E IS 6392 NP 0.6 / 1.0 / 1.6
Inspection & Testing API 598 / BS 6755 Part - 1 / EN 12266-1
Pressure Rating Hydrostatic Shell Test Hydrostatic Seat Test
Kg/cm² PSI Kg/cm² PSI
PN16 22 310 22 310
PN10 15 210 15 210
Seat Temperature
Seat Type Tenperature Range
Min Max
NITRILE -13°F (-25°C) 212°F (100°C)
EPDM -13°F (-25°C) 250°F (120°C)
Silcion -58°F (-50°C) 356°F (180°C)
Viton -23°F (-5°C) 392°F (200°C)
Hypalon -4°F (-20°C) 250°F (120°C)
Part List
Sr. No. Item Description Material
1 Body CAST IRON / CAST Steel / S.S. 304/316
2 Disc CAST IRON / CAST Steel / S.S. 304/316
3 Spindle S.S. 410 / 304 / 316
4 Body Lining NITRILE / EPDM / Silicon / Hypalon
5 'O' Ring NITRILE / EPDM /
6 Pin S.S. 304 / 316
7 Gear Box Cast Iron
8 Hand Wheel M.S. Fabricated
Handled Operated
Dimensions
Valve Size A ∅C F
40 36 37 180
50 43 50 180
65 46 63 180
80 46 76 215
100 52 100 215
125 56 125 215
150 56 150 265
200 60 200 325
Gear Operated
Size A B C D E F G Top Flange Mounting (I.S.0 5211)
MM Inch
200 8" 60 230 156 200 285 300 15 F10
250 10" 68 266 196 250 285 350 18 F10
300 12" 78 300 230 298 285 350 18 F10
350 14" 92 320 272 348 300 350 22 F12
400 16" 102 385 302 394 305 500 22 F14
450 18" 114 405 325 433 305 500 24 F14

Industries We Serve

Chemical Industries
Chemical Industries
Pharmaceutical Industries
Pharmaceutical Industries
Petrochemical Plant
Petrochemical Plant
Textile Industries
Textile Industries
OEM & Contrators
OEM & Contrators
Pulp, Paper, Sugar Industries
Pulp, Paper, Sugar Industries
Water Treatment Plant
Water Treatment Plant
Steel & Power Plant
Steel & Power Plant
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