This article introduces the hot squeezing process to produce DN225 brake balves by using presented technology and equipment to solve the problems of difficult fabrication and high cost.

• 针对DN225电动闸阀制造难度大,制造成本高的特点,探索利用现有工艺技术及设备能力,采用热挤压成型工艺,生产制造DN225闸阀。