viscoseal 是啥子?(关于齿轮泵)? The viscoseal is a grooved type seal which prevents leakage of pumping medium from drive shaft(s). Each viscoseal has multistart helical grooves on the inside diameter. As the shaft rotates, these grooves transport outward flowing medium back into the pump. (重点是标红句的翻译) 更多信息请见 http://www.maag.com/application/polyrex.pdf [ ]查看更多5个回答 . 3人已关注