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.
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.
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