Stainless steel ball valve he body is made from precision casting and has very nice show. The body has mount flat root which can install facilely the pneumatic, pneumatic-spring return, electric equipment etc.
Blow-out proof stem: When the pressure running through the valve in the body cavity has risen, the stem may blow out. To prevent such danger from taking place, the valve is provided with a stem flange in the lower part of the stem and so constructed that the stem may not blow out upwards. Even if the packing has burnt out in a fire or for any other reason, the internal pressure will bring the stem flange into close contact with the back seat of the valve body. Thus the fluid may be positively prevented from leaking through the packing so burnt out. If the pressure in the body cavity should abnormally rise or a gland bolt should be loose or missing anyway, an ordinary stem held with packing will blow out and the fluid will burst out. Besides, there are possibilities that such accident may take place upon maintenance. If the gland packing has burnt out in a fire, in particular, the back seat at the stem flange will be a requirement essential to the fire safety of the valve.
Effective seat seal: Our seat is a new seat born out of long yeas' experience of KingWay. This seat is featured by its high capability of sealing against either high or low pressure as well as vacuum.
Fire-Safe: With the valve heated in a fire, such non-metal parts as seat, gland packing, gasket or the like, may burnt out. Then, an excessive leakage will result so that the fire will gain headway. To prevent such situation from arising, the KW type ball valve is provided with a fire-sate mechanism. Once the seat has burnt out, the ball comes in close contact directly with the metal seat located on a pare of the body. Thus, the KW ball valve maintains its sealing property.
Body-Seal Construction: The joint between body and body cap are so constructed to be sealed with gasket. Besides, the valve is so constructed as to prevent the body from being tightened one-sidedly. At the same time, it is so designed that no excessively large force may act on the gasket due to the metal touch when the valves received a load due to an external force. In addition, the body seal construction will minimize all those factors, such as a change in turning torque or the like which might lead to leakage or unequal working torque.
Set up in the year of 1998, with years of rich experiences in ceramic parts and ceramic ball valves research, manufacturing and quality control, Yantai Yantai Kingway Science & Technology Co. Ltd. successfully set up the joint venture company of Yantai Kingway Flow Control Co., Ltd. with Kowov Valves Inc of Canada in the year of 2006.
It is our pleasure to introduce and present to you our company's manufacturing valves under registered trademark of KOWOV, KOWOV now has mainly 5 different kinds of product series, for specialized in the strong-corrosive and the high-abrasive media, as well as even in the most demanding process systems
1. Ceramic lined ceramic ball valve FCCV1
2. PTFE lined ceramic ball valve FCCV2
3. FEP lined ceramic ball valve FCCV3
4. Stainless steel hard sealing ceramic ball valve FCCV-Z
5. Stainless steel soft sealing ceramic ball valve FCCV-F
With our KOWOV premier Research & Development, manufacturing, valves testing and inspection facility, as well as our after sale service, we can help our customer select, install, and fully test in-house or on-site, now our KOWOV series products of ceramic ball valve are widely used in petrochemical, power plant, oil & gas industry, milling, metallurgy, mining, paper-making industry and many other fields all over the China and world, and are saving our customer considerable time and making them good profit, KOWOV becomes one of the most trusted names in ceramic ball valve industry of the world.
