Our water cooled presses are some of the lightest and smallest dimension tools on the market. All presses can be ordered with built in temperature controls or either of two versions of external control boxes (manual or automated initiation of the water cooling and air purging process). HKP-3Z-3200-S HKP-3Z-4000-S Unique design of water cooled presses with three, individually controlled heating zones for splicing belts at less than full capacity.