FREE-VALVE brand swing arc valves are designed for ash handling system.They use a spherical-shape dome and an inflatable-seal to ensure a 100% airtight seal.swing arc valve is unique in its ability to open and close with a tight pressure seal in environment where abrasive material are passing.Dome valve can achieve operating reliability in severe applications .

FREE-VALVE’s tungsten carbide sealing Pneumatic double disc balance 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,

The video shows the working process of pneumatic inflatable seat dome valve

FREE-VALVE brand Pneumatic operated dome valves are designed for ash handling system.Dome valve is unique in its ability to open and close with a tight pressure seal in environment where abrasive material are passing.Dome valve can achieve operating reliability in severe applications .

FREE-VALVE’s Pneumatic tungsten carbide seat double disc rotary swing valves are designed for pressurized and vacuum systems including dense and dilute phase pneumatic conveying systems, discharge and vent applications in steel plant and coal power. The double ceramic sealing faces of the valves are well ground and polished, which is ensure a reliable sealing performance of the valve,the valve is used to replace the dome valve in the pipe line of the ash system.

FREE-VALVE’s Pneumatic Tungsten carbide seat Swing disc Discharge Gate Valve  are designed for pressurized and vacuum systems including dense and dilute phase pneumatic conveying systems, discharge and vent applications in steel plant and coal power. The whole of ceramic sealing faces of the valves are well ground and polished, which is ensure a reliable sealing performance of the valve.

Pneumatic metal seated double disc gate valve is designed for higher temperature in the fly ash system at coal power plant ,opening test is made before the valve leave factory.

Pneumatic hard alloy double disc rotary gate valve is designed for higher temperature in the fly ash system at coal power plant

FREE-VALVE’s FRXZ644Y tungsten carbide sealing pneumatic swing double disc gate valves are designed for pressurized and vacuum systems including dense and dilute phase pneumatic conveying systems, discharge and vent applications in steel plant and coal power.

FREE-VALVE’s Explosion-proof tungsten carbide Pneumatic double gate valve FRZ644Y 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

FREE-VALVE’s split body type slide knife gate valves are designed as split type and for on-off service in abrasive slurry applications or dry powder,the valve is easy to replace and maintain on site,the Valves are ideally suited for applications in mining slurry and fly ash system.

FREE-VALVE’s FRZ644Y Explosion-proof tungsten carbide pneumatic double 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.

FREE-VALVE’s pneumatic square slide knife gate valve is a kind of valve which uses the square board as the opening and closing element and moves up and down with the board to realize full opening and full closing.The  square knife gate valve is mainly used to cut off medium in the pipeline.The valve is widely used in power, hydraulic, petroleum, chemical, mining and other industries.

FREE-VALVE’s pneumatic ceramic balance 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,

FREE-VALVE’s Pneumatic Parallel Sliding 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

FREE VALVE brand FRZ645TC pneumatic ceramic lined three-way diverter valve is widely used in fly ash, slag, cement raw material, limestone, pulverized coal, bentonite, talc, barite and other powder granular solid dry loose material conveying system. 

FREE-VALVE’s FRZ644TC Pneumatic Parallel Sliding 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.

FREE-VALVE  NKJ41H Forged steel Flanged Vacuum Isolation Globe Valve adopts a cast-forging structure, and has a parallel double-sealed pair and a half-forced two-way seal, and the sealing surface in-position movement and the wedge-shaped wedge wedge movement are step-by-step action to realize zero leakage

FREE-VALVE  NKJ41H Flange Vacuum isolation Globe Valve adopts a cast-forging structure, and has a parallel double-sealed pair and a half-forced two-way seal, and the sealing surface in-position movement and the wedge-shaped wedge wedge movement are step-by-step action to realize zero leakage.

FREE-VALVE body of the Vacuum Globe Valve adopts a cast-forging structure, and has a parallel double-sealed pair and a half-forced two-way seal, and the sealing surface in-position movement and the wedge-shaped wedge wedge movement are step-by-step action to realize zero leakage.

FREE-VALVE rubber lined swing check valves are designed to prevent the reverse flow of medium automatically,the valve disc automatically opens under the action of fluid pressure, and the medium flows from the inlet port to the outlet port

FREE-VALVE’s FRZ644TC Pneumatic Ceramic lined Two Disc gate Valves 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

FREE-VALVE FRZ643TC Pneumatic operating Ceramic lined Rotating One or Two Disc gate Valves are suitable for steel plant, cereals transport system, cement transport systems and EP system in coal fired power plant. In these applications, pneumatic conveying method is used to reduce manpower demand, and improve system efficiency and reliability, and is easy to realize automation.

FREE-VALVE’s Pneumatic Ceramic Swing disc Discharge feeding Gate Valves are designed for pressurized and vacuum systems including pneumatic conveying systems, discharge and vent applications in steel plant and coal power.

FREE-VALVE’s  FRZ643TC Pneumatic ceramic swing disc feeding gate valve are designed for pressurized and vacuum systems including pneumatic conveying systems, discharge and vent applications in steel plant and coal power. The whole of ceramic sealing faces of the valves are well ground and polished, which is ensure a reliable sealing performance of the valve.

FREE-VALVE’s FRZ643TC Flanged End Pneumatic Ceramic Rotary Feeding Valve are suitable for steel plant, cereals transport system, cement transport systems and EP system in coal fired power plant. In these applications, pneumatic conveying method is used to reduce manpower demand, and improve system efficiency and reliability, and is easy to realize automation.

FREE-VALVE’s FRZ643TC Pneumataic operating ceramic lined rotary disc feeding gate valve are suitable for steel plant, cereals transport system, cement transport systems and EP system in coal fired power plant. In these applications, pneumatic conveying method is used to reduce manpower demand, and improve system efficiency and reliability, and is easy to realize automation.

FREE-VALVE’s Carbon steel flange Chemical Full Lined Zirconia ceramics 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,Glue industry and food industry.

FREE-VALVE’s A28H spring full bore external thread type with lever safety valve(thread type) is based on the change of the media pressure at the inlet port and the spring pretension force to automatically open and close the valve disc.When the lifting force of the medium pressure (internal pressure) is higher than the spring pretension force, The valve disc overcomes the spring pretension force to open automatically, and the safety valve internal pressure drops after discharging excess media

FREE-VALVE’sWcb Body Strainless Steel Ceramic Lined Knife Slurry Gate Valves are known as slurry gate valves. Its have simple structure and can cut off medium which contains solid particles and fibers, but for some very hard particles or serious erosive mediums, general metal seated knife gate valves will be washed out easily, so ceramic knife gate valves are very suitable for those mediums containing  fibers and hard solid particles.