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DOUBLE FLANGED DOUBLE OFFSET BUTTERFLY VALVE
Applications
• Water
• Sea Water & Brine
• Effluents
• Waste Water
Size Range
| CLASS RATING | SIZE RANGE |
| PN 16 | 100mm to 2000mm |
| PN 10 | 100mm to 2000mm |
| PN 06 | 100mm to 2000mm |
| PN 2.5 | 100mm to 2000mm |
| TESTING STANDARD | DESIGN STANDARD | TESTING PRESSURE IN BAR | PN 16 | PN 10 | PN 06 | PN 2.5 |
|
EN 12266-1 |
EN 593 | HYDRO SHELL | 24 | 15 | 15 9 | 3.75 |
| HYDRO SEAT | 17.6 | 11 | 11 6.6 | 2.75 | ||
| AIR SEAT (Soft Seat) | 7 | 6.6 | 2.77 | - |
| COMPONENTS | MATERIALS |
| Body | Cast Iron ASTM A126 Class B / EN 1561 No.EN-JL 1040 / Ductile Iron ASTM A536 Gr. 60-40-18 / EN 1563 No.EN-JS 1024 / Carbon Steel ASTM A216 Gr. WCB / Stainless Steel ASTM A351 Gr. CF8 / CF8M |
| Disc | Cast Iron ASTM A126 Class B / EN 1561 No.EN-JL 1040 / Ductile Iron ASTM A536 Gr. 60-40-18 / EN 1563 No.EN-JS 1024 / Carbon Steel ASTM A216 Gr. WCB / Stainless Steel ASTM A351 Gr. CF8 / CF8M |
| Disc Seal | EPDM / Nitrile / Neoprene / Viton / Silicone |
| Body Seat | Stainless Steel ASTM A351 Gr. CF8 / CF8M |
| Stem | Stainless Steel ASTM A276 Type 410 / 304 / 316 |
| Stem Bearing | Carbon Steel backed PTFE / Leaded Bronze EN 1982 Gr. CC495K |
| Handle Unit / Gear Unit | Carbon Steel / Housing in Cast Iron, Gear in S.G. Iron & Worm in EN8 / EN19 |
| Surface Protection for Ductile Iron and Cast Carbon Steel Valves | Prime Coat: Chlorine free with modified alkyd resin unobjectionable in physiological and toxicological respects. Additional external coating: Black Enamel |