(德国) sempell是世界知名的生产工业阀门的生产商之一，主要产品包括高压、高温、危险工况的特殊安全装置。 阀门种类 用于工业行业. 截止阀; 止回阀; 高压闸阀 等 sempell benefits from 130 years of experience and delivers control, safety relief and isolation valves to conventional and nuclear power plants as well as the chemical industry. sempell offers its customer optimal solutions in all cases where high pressure, extreme temperatures and critical properties exit, especially where high safety regulations are required. the standard delivery program covers nearly all areas. additionally sempell develops and manufactures customized valves. sempell has been part of tyco international ltd. since 1997 and is within the tyco flow control group. 主要产品有： 调节阀 安全阀 电磁阀 执行器