Product Description
1.The sealing performance is good; because the sealing of the hard-sealed ball valve is manually ground, it can not be used until the valve core and the sealing ring are completely matched. Therefore, its sealing performance is reliable.
2. . The switch is light; because the bottom of the sealing ring of the hard-sealed ball valve adopts a spring to make the sealing ring and the valve core tightly hug together, the switch is very light when the external force exceeds the preload of the spring. Four; long service life: it has been widely used in petroleum, chemical industry, power generation, papermaking, atomic energy, aviation, rockets and other departments, as well as people's daily life.