It fit tightly to

The tightness is also different, which in the crane is much higher. It’s all about the “ball” design, the basis of which is a ball with a chrome surface. It fit tightly to sealing gaskets, ensuring a reliable overlap of water supply. It should be noted that the tightness of the valves always left much to be desired, which often led to accidents and the course of the working flow. And this, in turn, entails undesirable financial losses for the enterprise.