改进后的液压系统在SP25Y型吊管机上采用，使用效果良好。
Practical use of the improved system on model SP25Y pipe handler showed positive effect.
阀座阀门必须有足够的吊管架做支撑，从而防止给阀体增加额外的负载。
Valve support. Valves must be adequately supported with pipe hangers etc. to prevent additional loading on the valve body.
吊管机以其稳定的质量和优质的服务成为中国吊管机行业的著名品牌，吊管机品种和市场占有率两项指标均居国内第一。
DaiFeng brand has become the named brand in pipelayer industry in China through the steady quality and outstanding services. The variety and market share ranks the first in China.
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