Opposite nip type line with rubber butterfly valve, metal hard seal eccentric butterfly valve, intensifying polytetrafluoro-ethylene soft - sealing butterfly valve, low-load light type high temperature butterfly valve, fluorine-butterfly butterfly valve.
英
美
- 對夾式襯膠蝶閥,金屬硬密封偏心蝶閥,強化聚氟乙烯軟密封蝶閥,低負載輕型高溫蝶閥,襯氟蝶閥。