It is used in flexible and amplitude loop in the hydraulicmobilecrane, especially suitable in the case of heavy area ratio between non-pole cavity and pole one.
用于液压汽车起重机变幅与伸缩油缸回路，特别适用油缸两腔面积比较大的场合。
2
Rotary cushion valve is the high performance multifunction combination valve which is used extensively in the rotary mechanism of 20 ~ 100 ton hydraulicmobileCrane.
回转缓冲阀是我国20吨至100吨液压汽车起重机回转机构广泛应用的高性能多机能组合阀。
3
Red Seal endorsement is also available to qualified mobilecrane, tower crane and mobilecrane (hydraulic) operators upon successful completion of the interprovincial Red Seal examination.