带衬衬胶蝶阀、高性能蝶阀和三偏心蝶阀专为要求最严格的应用设计，性能可靠。
Affordable concentric butterfly valves for reliable, low-pressure water & HVAC.
High-performance double offset butterfly valves for durable steam & oil control.
Zero-friction triple offset butterfly valves for severe oil, gas & LNG service.
三偏心蝶阀
三偏心
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