ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO., LTD

Free Member

ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO., LTD was founded in 2016, main in producing and supplying products like Ceramic Lined Gate Valve, Ceramic Lined Ball Valve, Ceramic Lined Butterfly Valve and so on, our products are selled to Asia, South America, and other markets.

Note: Although many products are similar in appearance, but each product models, specifications, parameters and useful are different, please refer to the details of each product as the standard, select the products you need, if you have any special needs, please feel free to contact with us.

Products List 2

  • Thin Type Pneumatic Ceramic Double Disc Gate Valve

    Thin Type Pneumatic Ceramic Double Disc Gate Valve

    FREE-VALVE’s thin type 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-rotating, so as to the sealing surface within the dry powder get more wear resistance in process of opening and closing frequently, thereby, it guarantee the high requirements of sealing performance of this valve and long working time. Feature...

    Body Material: WCB

    Sealing Material: Engineering Ceramic

    Pressure class: PN10

    Operated method: Pneumatic

  • Swing Arc Valve

    Swing Arc Valve

    FREE-VALVE’s 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 . Features 1. The dome is actuated through a quarter-circle arc via a rotary actuator or linear double-acting cylinder and linkage mechanism. 2. Tight sealing performance as Inflata...

    Size: DN100

    Pressure: PN10

    Material: Metal

    Operated method: Pneumatic actuator

  • Pneumatic Metal-on-Metal Double Disk Valve

    Pneumatic Metal-on-Metal Double Disk Valve

    FREE-VALVE’s Pneumatic Metal-on-Metal Double Disk 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...

    Size: DN100

    Pressure: PN10

    Material: Metal on metal

    Operated method: Pneumatic actuator

  • Pneumatic Ceramic Butterfly Valve

    Pneumatic Ceramic Butterfly Valve

    FREE-VALVE’s pneumatic ceramic butterfly valves were operated in the harshest control environments and offers excellent resistant to cavitation which is major problem for process control valves. The ceramic materials are applied to the most common problem areas within disc of butterfly valve.These ceramic materials are 6-8 times harder than stainless steels and this ensures that the ceramic butterfly valve can operate under harsh, abrasive  service environment. Features 1.Wafer type ceramic butterfly valves are light and easy to instal...

    Size: DN150

    Pressure: Class 150

    Material: WCB+Ceramic

    Operated method: Pneumatic actuator

  •  Manual Operated Square knife gate valve

    Manual Operated Square knife gate valve

    FREE-VALVE’s manual operated square knife gate valve is a kind of valve which uses the square gate as the opening and closing element and moves up and down with the gate  to realize full opening and full closing.The square knife gate valve is mainly used to cut off medium in the pipeline.The knife gate valve is widely used in power, hydraulic, petroleum, chemical, mining and other industries.Features:1) The same structure as standard knife gate valve.2) Body and gate in rectangular valve shape.3) Actuators and accessories can ...

    Size: 1000*1000

    Pressure: Class 150

    Material: A105

    Operated method: Manual operated

  • Thread End Ceramic Ball Valve

    Thread End Ceramic Ball Valve

    FREE-VALVE’s thread end 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 and 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 insta...

    Size: 1”

    Pressure: Class 150

    Material: Stainless Steel+Ceramic

    Operated method: Manual operated

  • Pneumatic Ceramic Lined Ball Valve

    Pneumatic Ceramic Lined Ball Valve

    FREE-VALVE’s Pneumatic Ceramic Ball Valves are designed with engineering ceramics. The engineering ceramics internal parts provide excellent wear resistance and corrosive resistance , the ceramic ball valves are widely used as an open and 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.Pne...

    Size: DN100

    Pressure: Class 150

    Material: WCB+Ceramic

    Operated method: Pneumatic actuator

  • Male Thread Weld Nipple Type Needle Valve

    Male Thread Weld Nipple Type Needle Valve

    FREE-VALVE’s male thread weld nipple type needle valves are a kind of instrument valves under high pressure. Suitable for installing on the instrument panel or without panel. To control comparatively big flow with its compact structure.They are belong to general purpose integral bonnet needle valves.  Integral bonnet needle valves are use in instrumentation, laboratory, gas delivery system, and a wide variety of other applications.Features:1. The valve body is used in one-piece hot -forging type2. 2.Straight and angle patterns,co...

    Size: 1”

    Pressure: PN320

    Material: A105

  • Stainless Steel Ceramic Lined Butterfly Valve

    Stainless Steel Ceramic Lined Butterfly Valve

    FREE-VALVE’s Stainless Steel Ceramic Lined Butterfly Valves were operated in the harshest control environments and offers excellent resistant to cavitation which is major problem for process control valves. The ceramic materials are applied to the most common problem areas within disc of butterfly valve.These ceramic materials are 6-8 times harder than stainless steels and the result is a control valve that functions properly in a harsh, abrasive service environment. Features  1.Wafer type ceramic butterfly valves are light and ea...

    Size: DN100

    Pressure: PN10

    Material: Stainless Steel +Ceramic

  • Pneumatic Ceramic Double Disc Gate Valve

    Pneumatic Ceramic Double Disc Gate Valve

    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....

    Size: DN100

    Pressure: PN10

    Material: WCB+Ceramic

  • Pneumatic Rotary Disc Valve

    Pneumatic Rotary Disc Valve

    FREE-VALVE’s rotary disc 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.Features 1. The cylinder piston rod does not contact with the medium directly, which greatly prolongs the service life of...

    Size: DN150

    Pressure: PN10

    Material: WCB+Ceramic

  • Pneumatic Operated Dome Valve

    Pneumatic Operated Dome Valve

    FREE-VALVE’s 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 . Features 1.Simple valve structure and operation principle ,makes the dome valve suitable for pneumatic conveying system .2.Tight sealing performance as Inflatable seal self-compensates for wear as the valve is used.The inflatable seal provides continuous wea...

    Material: WCB

    Size: DN150

    Pressure: PN10

    Operated method: Pneumatic actuator

  • Manual Operated Ceramic Ball Valve

    Manual Operated Ceramic Ball Valve

    FREE-VALVE’s manual operated 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 and 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.The manual lever or gear box is ...

    Size: DN100

    Pressure: Class 150