TEKO Industry Co., Limited
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Double Eccentric Wafer End Connection High Performance Butterfly Valve For Steam
After adopting technology from abroad, we develop our new design double eccentric butterfly valve. Our TEKO High Performance Butterfly Valve has ultra-unique product structure, most reliable performance, wide working conditions, super low working torque and long cycle lifetime. It is safe and fire proof under special working conditions.
Sizes available in detail:
Soft Seat
ANSI Class 150 2″-60″ (50-1500mm)
ANSI Class 300 2″-48″ (50-1200mm)
ANSI Class 600 2″-24″ (50-600mm)
Metal Seat
ANSI Class 150 2″-30″ (50-750mm)
ANSI Class 300 2″-24″ (50-600mm)
Fire Safe Seat
ANSI Class 150 2″-30″ (50-750mm)
ANSI Class 300 2″-24″ (50-600mm)
Pressure ratings:
ANSI Class 150 to 285 psi (2000 kPa)
ANSI Class 300 to 740 psi (5100 kPa)
ANSI Class 600 to 1440 psi (10000 kPa)
DIN ISO PN16/PN25 to 2500 kPa (25bar)
DIN ISO PN40 to 4000 kPa (40bar)
DIN ISO PN100 to 10000 kPa (100bar)
Temperature range:
Soft Seat -20°F to +500°F (-29°C to +260°C)
Metal Seat -60°F to +1022°F (-51°C to +550°C)
Metal Seat (Cryogenic) -320°F to +250°F (-196°C to +121°C)
Fire Safe Seat -60°F to +1022°F (-51°C to +550°C)
Basic design: ANSI B16.10 / API 609 / MSS-SP-68 / ISO 5752
End flange specifications available
ASME B16.5: Class 150, 300, 600
JIS B2210: 10K, 16K, 20K
DIN ISO PN10, PN16, PN25, PN40
Main Material
| PART NAME | ANSI Class 150 | ANSI Class300 | ANSI Class600 |
| BODY | Carbon Steel(A216-WCB) SS316 (A351-CF8M) | ||
| DISC | SS316 (A315-CF8M) | ||
| STEM | 17 / 4PH (A564-630) | ||
| SEAT | PTFE, RTFE, SS316, Inconel, PTFE+SS316, RTFE+SS316 | ||
| SHAFT BEARING | SS316+RTFE Impregnated, SS316+Graphite Impregnated | ||
| PACKING SEAL | PTFE, Graphite | ||
Dimensions for Wafer End High Performance Butterfly Valve
| Size | A | C | D | E | F | G | H | M.FL | Weigh |
| 80 | 48 | 16 | 11 | 14 | 35 | 83 | 135 | F10 | 6.4 |
| 100 | 54 | 16 | 111 | 14 | 35 | 105 | 170 | F10 | 10 |
| 150 | 57 | 20 | 14 | 16 | 38 | 131 | 200 | F10 | 16.8 |
| 200 | 64 | 24 | 17 | 18 | 58 | 157 | 234 | F12 | 27.6 |
| 250 | 71 | 28 | 20 | 18 | 58 | 213 | 282 | F12 | 43 |
| 300 | 81 | 36 | 25 | 22 | 60 | 251 | 323 | F14 | 68 |