... ASME B16.34 for service of high temperature and high pressure and are widely used in fossil fuel power plant. ... well as maintenance cost-effective at high temperature and high pressure service.It is an automatic valve when it is ... Thickness Dimension:API 600,BS 1868Product RangeBody material: carbon steel, stainless steel, alloy steel,bronzeNominal diameter:1/2"~48"(DN15~DN1200)End Connection ...