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奉新县仰山四级水电站是一座日调节引水式电站。它装机2台共4000kW,设计水头107m,最大水头118m,设计引水流量5.1m~3/s。压力钢管内径φ1200mm,在全长301.36m管线上一共布置了5个镇墩、5只伸缩节、24个支墩。伸缩节布置在镇墩下游紧靠处,伸缩节与压力钢管管身上下游向联接采用法兰板,板厚18mm,两法兰板中间用厚度5mm、外径φ0320mm、内径φ1220mm橡胶石棉平垫圈止水,沿法兰板周长均布M24mm螺栓24只用来联接。
Fengxin County Yangshan four hydropower station is a daily regulation of water diversion station. It installed a total of 2 sets of 4000kW, designed head 107m, the maximum head 118m, design diversion flow 5.1m ~ 3 / s. Pressure pipe diameter φ1200mm, a total length of 301.36m pipeline layout of a total of five town piers, 5 telescopic section, 24 pier. Telescopic joints are arranged in the downstream abutment of the town piers. The joint between the expansion joints and the downstream of the pressure steel pipe body is flanged with a plate thickness of 18 mm. The middle of the two flange plates is 5mm in thickness with an outer diameter of φ0320 mm and an inner diameter of φ1220 mm. Water, along the circumference of the flange plate evenly M24mm bolts 24 only for coupling.