... idler wheel, the locking block, the steam nozzle, the cooling water pipe, the gate valve and so on.Main technical parameter ParameterGT7C720typeGT7C1200typeGT7C2000typeGT7C2400typeVariety ... pressure (Mpa)0.3Work pressure (Mpa)0.15Work medium (Mpa)Water,steam,air compressionMain element materialA3Jointing seal coefficient0.7Corrosive degree1Device net ...