Suitable for high pressure and high temperature. High temperature and pressure gate valvePN:10 16 20 25 32Class(Lb): ... 900Lb 1500Lb 2500LbDN(mm):25---150Size(inch):1---14Working temperature():---540 ---570Type of connection:butt weldingOperated way: manual,gear,electricDesign ... 1277, ISO 9001:2000, ISO 14001, TS, OHSAS 18001 high temperature and pressure gate valve