short description:

As a professional supplier of ceramic ball valves in the world, KSINO is not only committed to the production of various ceramic valves, but also has been committed to the research and development of new ceramic materials. Y-TZP and Ce-TZP are widely used because of their high strength, good wear resistance, good chemical stability and other characteristics. However, due to their thermal shock resistance, they cannot be used under high temperature conditions. As the ball core of valve, its toughness is limited, which may lead to broken ball in case of jamming or locking. In order to meet the increasingly complex and harsh service conditions of ceramic valves, especially the higher service temperature, we have developed a magnesium oxide partially stabilized zirconia ceramic (Mg-PSZ) with excellent thermal shock resistance, and after continuous research and experiment, continuous innovation, we have developed a composite ceramic material with excellent thermal shock resistance and toughness comparable to metal.

The composite ceramic material developed by our company is made of metal and ceramic powder mixed and sintered. The metal elements can be Ti, Cr, Ni, Co, etc., which can be used alone or in combination, or other alloy powders. The selected metal elements have no chemical reaction with ceramic powder, the thermal expansion coefficient is close, and the wetting ability between metal and ceramic particles is good. Ceramic elements provide the ability to bear loads and wear resistance, while metal elements endow them with impact resistance toughness. Therefore, the composite ceramic material has a series of excellent properties, such as high strength and hardness, good toughness, good wear resistance, small coefficient of thermal expansion, high modulus of elasticity, good thermal shock resistance and good chemical stability, which can not be obtained by using only metal or ceramics. Although its corrosion resistance is reduced due to the addition of metal elements, its toughness and thermal shock resistance are significantly improved, which can not only meet the requirements for use under high temperature conditions, but also avoid broken balls due to jamming or locking.

Mixed sintering of metal and ceramic powder

Wedge gate valve
Wear resistant adjustable pulverized coal valve
Gate valve
Globe valve
Slag discharge check valve
Wear resistant expansion device
Three-way reversing valve with form of cast stone wear-resistant ball
Manual and electric wear and corrosion resistant ball valve
Plate gate valve
Wear resistant slag discharge gate valve
Electric wear-resistant pulverized coal gate valve
Wear resistant and anti scaling gate valve
Throttle valve
Combined stop throttle valve
Wear resistant throttle valve
Dry ash gate valve