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  • Rotary Disc Gate Valve
  •  Rotary Disc Gate Valve02
  • Rotary Disc Gate Valve03
  • Rotary Disc Gate Valve
  •  Rotary Disc Gate Valve02
  • Rotary Disc Gate Valve03
Pneumatic Rotary Disc Gate Valve
Size Range
NPS4~NPS12,DN100~DN300
Pressure Range
Class 150 ,PN6 ,PN10
Applicable Temperature
0~380℃
Connection Type
Flange
Sealing material
Hard alloy
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 Pneumatic Rotary Gate Valves(Hard Alloy) 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.

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 plate rotational motion of the valve disc can avoid the ash deposition on the sealing surface, so the valves have much longer service.
5. The valve body outlet end adopts slant structure, which is advantageous to the medium entering the valve cavity to fall automatically, preventing the medium in the valve cavity accumulation and causing the valve not to open properly.
6. 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.



Applications
FREE-Valve’s Pneumatic Rotary Gate Valves(Hard Alloy) are suitable for steel plant, cereals transport system, cement transport systems,ECO system,GAH system 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.

 




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