used in pure line and environmental protection, water treatment, construction drainage pipe, stop medium reverse flow. 1) Nominal pressure rating: PN1.6-10.0MPa 2) Nominal diameter: DN40-800mm 3) Attended mode: Butt clamp 4) Working temperatured425° c 5) Actuator: Automatic 6) Body materials: WCB, 304, 304L, 316, 316L, LCB, LC3 7) Sealing material: Alloy steel , Stellite alloy