The most common butterfly valve used in Chinese water and HVAC systems
This is the standard Chinese wafer butterfly valve, usually made of ductile iron body with EPDM or NBR seat. It's lightweight, low cost, and used everywhere for water, air, and mild chemicals. Lever or gearbox operated, and very popular in water supply, HVAC, and general industrial piping.
| Sizes | DN40 – DN600 |
| Pressure | PN10 / PN16 |
| Body | Ductile iron |
| Seat | EPDM / NBR |
| Disc | Stainless steel 304/316 |
| Temperature | -10 °C to +120 °C |
Q: Is it for water?
A: Yes, most common use is water.
Q: PN16 or PN10?
A: Both available, PN16 more common.
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