Gate valves are suitable for cutting off or connecting pipeline media in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and power industries with a nominal pressure of PN1.6~10.0MPa and a working temperature of -29~600 ℃. Applicable media include water, oil, steam, acidic media, etc. The operating methods include manual, gear transmission, electric, pneumatic, etc. Reasonable design, reliable sealing, smooth channel, low flow resistance coefficient. The sealing surface of the gate and valve seat is made of iron-based alloy or Stellite cobalt based hard alloy, which is wear-resistant, high-temperature resistant, corrosion-resistant, scratch resistant, and has a long service life.
