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  •  Ceramic Rotary Double Disc Gate Valve
  •  Ceramic Rotary Double Disc Gate Valve 02
  •  Ceramic Rotary Double Disc Gate Valve
  •  Ceramic Rotary Double Disc Gate Valve
  •  Ceramic Rotary Double Disc Gate Valve 02
  •  Ceramic Rotary Double Disc Gate Valve
Pneumatic Ceramic Rotary Double Disc Gate Valve
Size Range
NPS4~NPS12,DN100~DN300
Pressure Range
Class 150 /PN6 /PN10
Applicable Temperature
0~200℃
Connection Type
Flange or threaded hole
Sealing material
engineering ceramics
Pressure test
GB/T13927, API598
Face to Face
GB/T12221, API609
Valve body
GB/T12224,ASME B16.34
Operating Mode
Pneumatic
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Introduction

 FREE-Valve’s Ceramic Rotary 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. The double ceramic sealing faces of the valves are well ground and polished, which is ensure a reliable sealing performance of the valve.

Advantage
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 of 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.



Applications
FREE-Valve’s Ceramic Rotary Double Disc Gate 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.




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