YUKEN叠加式液控单向阀部分常规型号参考：MPA-06-2-70 , MPA-06-2-X-70 , MPA-06-2-Y-70 , MPA-06-4-70 , MPA-06-4-X-70 , MPA-06-4-Y-70 , MPA-06S-2-70 , MPA-06S-2-X-70 , MPA-06S-2-Y-70 , MPA-06S-4-70 , MPA-06S-4-X-70 , MPA-06S-4-Y-70 , MPB-06-2-70 , MPB-06-2-X-70 , MPB-06-2-Y-70 , MPB-06-4-70 , MPB-06-4-X-70 , MPB-06-4-Y-70 , MPB-06S-2-70 , MPB-06S-2-X-70 , MPB-06S-2-Y-70 , MPB-06S-4-70 , MPB-06S-4-X-70 , MPB-06S-4-Y-70 , MPW-06-2-70 , MPW-06-2-X-70 , MPW-06-2-Y-70 , MPW-06-4-70 , MPW-06-4-X-70 , MPW-06-4-Y-70 , MPW-06S-2-70 , MPW-06S-2-X-70 , MPW-06S-2-Y-70 , MPW-06S-4-70 , MPW-06S-4-X-70 , MPW-06S-4-Y-70