FREE-VALVE pneumatic rotating 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 the cylinder and has a higher service temperature without damaging the cylinder.
2. The sealing faces of the valve are made toughened engineering ceramics with good abrasion resistance and prolonged service life.
3. Product with customized structural length and connection size is available.
4. The valve disc rotational motion can avoid the ash deposition on the sealing surface� during opening and closing, so the valves have much longer service.
5. The spring between the disc and disc seat is loaded with a floating connection. The spring force of the disc always matches the valve seat, ensures the sealing of the valve, and also helps to compensate for expanding� when� heated� and contracting when cooled ,and sealing surface wear.
6. The blow sweep port or automatic blow sweep device can be set on the valve body according to different operating conditions.
Technical Specification:
1) Size Range: NPS4~NPS12,DN100~DN300
2) Pressure Range: Class 150 /PN6� /PN10
3) Applicable Temperature: 0~200â??
4) Connection Type: Flange or threaded hole
5) Sealing material: engineering ceramics
6) Pressure test:GB/T13927, API598
7) Face to Face: GB/T12221, ASME B16.10
8) Valve body : GB/T12224,ASME B16.34
9)Operating Mode: Pneumatic
Application:
FREE-VALVEâ??s Rotating Disc Valves are suitable for coal fired power plant, steel plant, cereals transport system, cement transport systems. In these applications, pneumatic conveying method is used to reduce manpower demand, and improve system efficiency and reliability, and is easy to realize automation.
Supplier: Micro silica (silica fume), silica, fly ash, pozzolano, ggbfs and white cement, other cementatious materials and factory/plants specialized spare parts & equipments, automation & switchgear, drives & transmission spares, instrumentation & pump, pneumatic & hydraulic spares, valves & actuators, mechanical parts, high carbon ferro chrome, foundry pig iron, iron ore concentrate, chromite ore, antimony ore, silicon metal 441 (powder), ferro silicon (fesi), iron ore pellet, copper concentrate
Pneumatic rotating type ceramic gate valve Free- valves pneumatic rotating type ceramic 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. The whole of ceramic sealing faces of the valves are well ground and polished, which is ensure a reliable sealing performance of the valve. Features 1. The valves are sturdy and maintenance free enough to withstand the most severe conditions. 2.The sealing faces of the valve are made of toughened engineering ceramics with good abrasion resistance and prolonged service life. 3.Product with customized structural length and connection si e ash deposition on the sealing surface, so the valves have much longer service. 5.The rotation structure with shorter stroke makes and the whole of ceramic sealing faces of the valves, which are ensure a reliable sealin g per formanc e of the valve. Technical specification: 1) size rang: nps4~nps12, dn100dn300 2) pressure rang: class 150 /PN6/PN10 3) applicable temperature: 0-200degree C 4) connection type: flange 5) sealing material: engineering ceramics 6) pressure test:GB/T13927, API598 7) face to face: GB/T12221, API609 8) valve body : GB/T12224, ASME B16.34 Operating mode: pneumatic Application: Free-valves pneumatic rotating type ceramic gate valves is suitable for coal fired power plant, steel plant, cereals transport system, cement transport systems. 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-VALVEâ??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 ceramicsï¼?which have perfect performance to resist wear and flushing. 2. Two-side sealing can realized due to double disc 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 disc rotational motion can avoid the ash deposition on the sealing surface during opening and closing, so the valves have much longer service. 5. The blow sweep port or automatic blow sweep device can be set on the valve body according to different operating conditions. Technical Parameters 1) Size Range: NPS2~NPS12,DN50~DN300 2) Pressure Range: Class 150 /PN6� /PN10 3) Applicable Temperature: 0~200â?? 4) Connection Type: Flange 5) Sealing material: engineering ceramics 6) Pressure test:GB/T13927, API598 7) Face to Face: GB/T12221, ASME B16.10 8) Flange standards:ASME B16.5ï¼?GB/T9113 Operating Type: Pneumatic Applications 1. Power plant ash handling system. 2. Cement industry-dry powder conveying and dumping. 3. Dressing works-dry powder materialsâ?? selection and conveying.
Pneumatic Ceramic Double Disc Gate Valve FREE-Valves 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 autofrettage 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: Sealing pair is made of structural ceramicswhich have perfect performance to resist wear and flushing. Two-side sealing can realized due to double plate structure of the pneumatic ceramic double disc gate valve 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. The valve has characteristics of good se The standards of flange end sASME B16.5GB/T9113 ominal Pressure1.0MPa,Cla ss150 Size RangDN1 50DN 300, NPS6 NPS12 Connection typeFlange Working Temperation250 Operating TypePneumatic, manual Sealing surface materialEngineering ceramic Pressure testGB/T13927, API598 Face to FaceGB/T12221, API609 Applications Power plant ash handling system. Cement industry-dry powders converying and dumping. Dressing works-dry powder materials selection and converying.
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