... advanced level 3 Agricultural water supply system specification of PVC drain pipe line Main extruder45/9051/10555/110SJZ65/1321SJZ80/156SJZ92/188SJP130 ... 800 x 1600 mmPressure of pressed air≥0.6 MPa Auto cutting machine Belling type12, 20,32 ,40 ,50 ,63 mmBelling ... /h450Storage ability kg150Feeding pipe and elastic ability m3-5 full-auto belling machine (U-type) Belling scope12,20,32 ,40 ,50 ...