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The economical solution for the delivery of oils. KRAL screw pumps are in demand thanks to their compact design. In operation, our pumps are quiet, offer low pulsation and are…

Application examples.Polyurethane processing.Apportoning of polyurethane.Processing of abrasive polyols.Process engineering.Product recommendations. Return

Product recommendations. Return

Bitumen. Bitumen is primarily obtained as a vacuum residue in the vacuum distillation of petroleum. Here only special varieties of crude oil can be used – almost exclusively varieties of crude…

Everything old is new again - use only KRAL spare parts. KRAL pumps meet the highest quality standards. To ensure those standards are maintained, you should only use genuine KRAL parts as spare…

Dosing of resins, paints and adhesives. The accurate and reliable measurement by KRAL flowmeters guarantees the right mixing ratio and with it the right quality of the end…

Application of coatings, sound insulation materials, etc. Depending on the medium, our stainless-steel design can be used for aggressive chemical media. Due to the viscosity of the medium to be…

Flow measurement for control and positioning of actuators. Hydraulic applications are often characterised by high pressures. The robust design of KRAL flowmeters guarantees high measuring…

Flow measurement for mixing cyanates and diols. For the conversion of mixtures with e.g. cyanate and diol and the production of polyurethane for flexible and rigid foams and of moulding…

Positioning of (hydraulic) cylinders. When determining the position of cylinders, the quantity of oil conveyed into the cylinder is measured precisely in order to define the position of the…