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原文
Structural characteristics of butterfly valve rod DJF1 common valve failure and troubleshooting (1) non-decompression ① pressure is too high, check and inflated to 2.5 ~ 4.5MPa; ② the left adjustment screw leakage, repair the light within the cone connecting the bottom of the hole; ③ valve opening seam too limp stuck in the piston lowest, piston and guide sleeve with a different heart, polished with the level hole. (2) outlet pressure is too low, not on the transfer ① accumulator leak. Checked and inflated to the specified value; ② the right adjustment screw leakage. Repair within the light cone connecting the bottom of the hole; ③ valve slit opening is too small, the piston at the highest bit limp. Demolition of the guide sleeve, polished with the level hole. (3) outlet pressure fluctuations, unstable ① accumulator leak, checked and inflated to the specified value; ② bad seal around the side of the adjustment screw, wiper connection hole in the bottom cone. 4 Notes Daily application note the following points: (1) regular cleaning of the filter; (2) periodic inspections of the gas pressure accumulator, and inflated to the specified value.
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译文：
DJF1减压阀的常见故障及排除方法和注意事项（1）不减压 ①压力太高，检查并充气到2.5~4.5MPa；②左侧调节螺钉漏液，修光连接孔底部内锥孔；③阀缝开度太大，活塞蹩卡在最低位，活塞和导向套配合不同心，磨光配合台阶孔。（2）出口压力太低，调不上 ①蓄能器漏气。检查并充气到规定值；②右侧调节螺钉漏液。修光连接孔底部内锥孔；③阀缝开度太小，活塞蹩在最高位。拆出导向套，磨光配合台阶孔。（3）出口压力波动，不稳定 ①蓄能器漏气，检查并充气到规定值；②左右侧调节螺钉密封不良，修光连接孔底部内锥孔。注意事项日常应用时注意以下两点：（1）经常清洗过滤器；（2）定期检查蓄能器气体压力，并充气到规定值。

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