FIELD: working of plastic products. SUBSTANCE: calibrating device has bushing appliance located after extruding press to pass extruded pipe through it. Pipe outer size is calibrated by inner surface of bushing. Bushing appliance has channel system of lubricating water supply to bushing inner surface through its entire cooling medium which independent of device outer cooling conditions. Besides, calibrating device has separate vacuum channel system located along the device entire length and is also independent of outer cooling conditions of device. EFFECT: higher efficiency. 1 cl, 3 dwg
