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1980年6月,沈阳潜水泵厂与西德里茨公司签订了潜水电泵许可证及技术转让合同。引进了里茨公司65、66系列潜水泵19个品种,200个规格,其流量为4～330米~3/时,扬程为6.4～258米;12系列潜水电机5个品种、54个规格,功率为1.2～410千瓦。经过两年多时间,八二年试制6565、6666、6609三种52个规格的潜水电泵,并有三台样机经里茨公司鉴定合格,发给合格证,有些项目略高于里茨标准,指标对比如下:
In June 1980, Shenyang Submersible Pump Factory signed a license for submersible pump and a technology transfer contract with Sidritsitz. The introduction of the Ritchie 65,66 series of submersible pumps 19 varieties, 200 specifications, the flow rate of 4 ~ 330 m ~ 3 / h, head to 6.4 ~ 258 m; 12 submersible motor 5 varieties, 54 specifications, Power is 1.2 ~ 410 kilowatts. After more than two years, trial production of 6565,6666,6609 52 52 submersible pumps in 1992, and three prototypes were certified by Ritz Company, issued a certificate, and some projects slightly higher than the Ritz standard, Comparison of indicators as follows: