Q48、Q49固定式三通球阀Q48、Q49

YQ44F组合式三通球阀YQ44F

Q11F三片式球阀Q11F

PQ347F/H侧装式偏心半球阀PQ347F/H

GDQ47F/H 轨道球阀 GDQ47F/H

Q41F美标球阀Q41F

GUQGUQ气动真空球阀

J41B氨用截止阀J41B

J61Y、J961Y高温高压焊接截止阀J61Y、J961Y

J11W苏式内螺纹截止阀J11W

BQ671F气动保温球阀BQ671F

BQ71F对夹式保温球阀BQ71F