摘要
通过对改进的抽稠油用泵快速复位固定阀与在用固定阀的力学分析，结合现场试用情况，认为改进的固定阀确实具有防漏、防滞后动作的功能，泵效也随之有所提高。
Abstract By analysis the inechansis of quick speed reposition and active standing valve for iinprove pump used inpumping heavy crude . combine field test , it improved standing valve that have a kind of function leak protection and hysteresis, pump efficiency have improved to some extent along with
出处
《石油矿场机械》
1999年第3期36-37,共2页
Oil Field Equipment
