上海正良阀门——化工通用类阀门——截止阀、节流阀 系列产品； 进口截止阀、电动截止阀J941H/J961Y。气动角座阀。黄铜截止阀J11W。铸铁截止阀J41TW。铸钢截止阀J41H。锻钢截止阀。不锈钢截止阀J41W。铬钼钢截止阀J41Y-100I。衬氟截止阀J41F4/J45F4。衬胶截上阀J41J/J45J。塑料截止阀J41F-6S、J11F-6S。丝口截止阀J11W。法兰截止阀J41。日标截止阀J41W。德标截止阀。美标截止阀J41W。高压截止阀J41H、对焊截止阀J61Y/J65Y/J64H。高温高压截止阀。保温截止阀BJ41H/BJ45。高温截止阀J41Y/J61Y。Y形截止阀J45/J65Y。自密封截止阀J41W/J61W。波纹管截止阀WJ41/WJ44/WJ61H、保温波纹管截止阀BWJ41W。节流阀、高压节流阀、截止节流平衡阀。氧气截止阀JY41W。真空隔离截止阀NKJ41H/44H/J61。水封截止阀DS41H/DS61H。伞齿轮截止阀J541H。氨用截止阀J41B/J42B/J61B/J21B/J11B。角式截止阀J44H。高压角式截止阀，液化气截止阀J41F。天燃气截止阀J41N。撞击式大口径截止阀。蒸汽截止阀。L41Y/L44Y/L46Y/L86Y/L87Y/L66Y/L67Y/L47Y。
阀体的材质有: 铸铁、铸钢、不锈钢、锻钢、铬钼钢、铬钼钒钢。工作压力1.6-32MPA(美标从150LB-2500LB，日标从10K-64K)。工作温度-20℃- 550°C。阀门口径从DN15-DN300。连接方式:法兰、丝口或焊接。驱动方式:手动、电动、气动、伞齿轮、正齿轮转动。适用介质:水、油品、气、蒸汽等。出自上海，“正材良工”，欢迎选购订制。
