The forged bellows seal gate valve for high temperature and high pressure are the latest product combined with advantages of selfsealing and bellows. Stable performance under the high temperature and high pressure work condition. The higher the pressure is, more upward thrust and a better sealing effect with no the leakage will be. Having three sealing design (bellows seal, valve stem seal and valve stem back seal). It can be safely used in high temperature, high pressure, flammable, explosive, toxic, strong permeability, radioactive and expensive, high pure medium conditions.                                                                                        http://www.vmv-valve.com/