KR VAVLE
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| Valve Type: | Wafer butterfly valve | Structure: | Concentric |
| Standard: | EN593 | Workmanship: | Investment casting |
| Sealing direction: | Bidirectional | Sealing grade: | Zero leakage |
| Temperature: | -20°C < T < 120°C | Operation: | Electric |
This motorized wafer soft seal butterfly valve adopts high quality rubber soft sealing structure to achieve bidirectional zero leakage with flexible and reliable fitting. The ultra-thin lightweight wafer design saves installation space and reduces construction costs. Equipped with a stable electric actuator, it supports precise on/off and modulating control for automatic pipeline operation. It is widely used in water supply, drainage, HVAC and general industrial fluid systems.
Standard export wooden case packaging
The electric wafer butterfly valve widely used in municipal water supply and drainage, central air conditioning HVAC systems, fire water supply, sewage treatment, pure water process, ventilation and industrial circulating water pipelines.
| Body | Disc | Stem | Bushing | Seat | Temp Range | |||
|---|---|---|---|---|---|---|---|---|
| Cast iron | Z | Plated ductile iron | B1 | Stainless steel | Lubrized bronze | NR | X1 | -20~+85°C |
| Ductile iron | Q | Aluminum bronze | B2 | Hypalon | X2 | -23~+121°C | ||
| Aluminum bronze | T | Stainless steel | B3 | EPDM | X3 | -23~+121°C | ||
| Stainless steel | P | Titanium steel | B4 | Neoprene | X4 | -7~+93°C | ||
| CF8M SS | R | CF8M SS | B5 | NBR | X5 | -23~+100°C | ||
| Carbon steel | C | Carbon steel | B6 | Wear-resistant | X6 | -10~+100°C | ||
| CF8 SS | CF8 SS | B7 | VITON / PTFE | X7/F4 | -23~+200°C | |||
| DN(mm) | Inch | A | B | C | D | L | H | D1 | n-Φ | K |
|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 2" | 161 | 80 | 42 | 52.9 | 32 | 84.84 | 120 | 4-Φ23 | 77 |
| 65 | 2.5" | 175 | 89 | 44.7 | 64.5 | 32 | 96.2 | 136.2 | 4-Φ26.5 | 77 |
| 80 | 3" | 181 | 95 | 45.2 | 78.8 | 32 | 61.23 | 160 | 8-Φ18 | 77 |
| 100 | 4" | 200 | 114 | 52.1 | 104 | 32 | 70.80 | 185 | 4-Φ24.5 | 92 |
| 150 | 6" | 226 | 139 | 55.8 | 155.6 | 32 | 91.08 | 238 | 4-Φ25 | 92 |
| 200 | 8" | 260 | 175 | 60.6 | 202.5 | 45 | 112.89 | 295 | 8-Φ25 | 115 |
| 300 | 12" | 337 | 242 | 76.9 | 301.6 | 45 | 105.34 | 407 | 12-Φ29 | 140 |
