-PN0.25MPa ~ 4.0MPa -With the bi-eccentric sealingstructure, reliable sealing performance. -Competitve price and ... ,shipping,metallurgy,energy sources etc.FeaturesBidirection seal .With the bi-eccentric sealingstructure, reliable sealingperformance.Seal on disk or body ... PN0.25MPa ~ 4.0MPaSize: DN100 ~ DN3600End Connection: Flange,WaferTemperature: -10°C ~ 80°CMaterial: Nodular cast iron,Carbon steel