FREE-Valve’s Pneumatic Ceramic Double Disc Gate Valve is mainly used in feeding and dumping the dry powder and the transport pipeline, which not only adopt toughening ceramic as shut off and wea ... view more

FREE-Valve’s Pneumatic Ceramic Double Disc Gate Valve is mainly used in feeding and dumping the dry powder and the transport pipeline, which not only adopt toughening ceramic as shut off and wear out resistance material, but also design construction of pressure self-sealing and valve disc auto-rotate, so as to the sealing surface within the dry powder get more wear resistance in process of opening and closing frequently, thereby, which guarantee the high requirements of sealing performance of this valve and long working time.  Features: 1. Sealing pair is made of structural ceramics?which have perfect performance to resist wear and flushing. 2. Two-side sealing can realized due to double plate structure of the pneumatic ceramic double disc gate valve. 3. It inserts spring between double valve discs to ensure self- sealing through bi-directional flexible preload pressure of spring, having characteristics of low pressure bi-directional sealing and without dust clogging phenomenon in the process of the opening and closing of valve. 4. The valve has characteristics of good sealing performance, strong abrasion resistant, open and close easily. Technical Parameters The standards of flange ends ASME B16.5?GB/T9113 nominal Pressure 1.0MPa,Class150 Size Range DN50~DN 300, NPS2 ~NPS12 Connection type Flange Working Temperature ≤200? Operating Type Pneumatic, manual Sealing surface material Engineering ceramic Pressure test GB/T13927, API598 Face to Face GB/T12221, API609 Applications 1. Power plant ash handling system. 2. Cement industry-dry powders’ conveying and dumping. 3. Dressing works-dry powder materials’ selection and conveying. view less

FREE- Valve’s Ceramic Ball Valves are designed with engineering ceramics   the engineering ceramics internal parts provide excellent wear resistance, the ceramic ball valves are widely ... view more

FREE- Valve’s Ceramic Ball Valves are designed with engineering ceramics   the engineering ceramics internal parts provide excellent wear resistance, the ceramic ball valves are widely used as an open & close function as well as a throttling control tasks in corrosive medium with abrasive solids content.  Features: 1.The hardness of the ceramic material can be higher than HRC80. 2.Engineering internal parts of ceramic ball valve provide superior protection from corrosive and abrasive medium. 3.Customized actuation types are installed on the ceramic ball valve, the manual lever or gear box, as well as with pneumatic, electric and hydraulic actuators 4.Customized V type ceramic control valve is also available for us. 5.The valve has a floating ball design, the ball is floating, the ball has a defined clearance and is pressed against the downstream seat under the differential pressure to achieve sealing. Technical Specification The standards of flange ends ASME B16.5,GB/T9113 Nominal Pressure 1.0MPa,Class150 Size Range DN50~DN 200, NPS2 ~NPS8 Connection type Flange Working Temperature ≤200? Operating Type Manual, Pneumatic and Electric Sealing surface material Engineering ceramic Pressure test GB/T13927, API598 Face to Face GB/T12221, API609 Application FREE- Valve’s Ceramic Ball Valves are suitable for Silicon Powder, Alumina Powder, Dry Coal Powder, Limestone Slurry, Gypsum Slurry, Plaster, Fly Ash, Mining Ore, Coal Powder Injection, Metallurgical dust, Thermal Power plant FGD , LiCoO2  powder equipment view less