Product Name: Pneumatic Ultra-High Vacuum Gate Valve (GCQ/CCQ) Model NO.: GCQ/CCQ Size: Dn50-1000 Trademark: Pioneer Transport Package: Plywood Case Specification: CE, TS, ISO9001, SGS Origin: China HS Code: 8481804090 Product Description GCQ series and CCQ series gate valve are a kind of devices to turn on or cut off the vacuum airflow in the vacuum pipeline by pneumatic device to drive the valve plate opening or closing.The applicable media is air and non-corrosive gas. CCQ series can withstand the baking temperature 450 ºC, and be used for ion pumps and high-temperature vacuum environment.