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.

• 对夹式衬胶蝶阀,金属硬密封偏心蝶阀,强化聚氟乙烯软密封蝶阀,低负载轻型高温蝶阀,衬氟蝶阀。