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·The PTB200 and PTB320 series are large hollow blow moulding machines producing large hollow containers of standard drum, 1BC drum, tray etc. The machine adopts closed loop control system imported from Europe and hydraulic system is pressure-flow double proportional control, equipped with variable plunger pump to ensure fast and smooth operation of the machine and energy consumption of the hydraulic system can be reduced by 30% or above, saving considerable electricity. With super molecular weight special plastic moulding system, double accumulator heads and 100-point automatic wall thickness control system, the products are in accordance with the UN standards and international maritime package standards for dangerous goods I and II.
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