Features:
1.Surface sealed with structural ceramic to resist abrasion and scratching
2.Reliable bi-directional enforced sealing by single wedging plate
3.Blow-sweep holes to facilitate airing, scouring, and cleaning
4.Inner ceramic lined chamber coated with anti-scaling, anti-corrosive finish
Applicable Working Conditions:
Suitable for pipelines conveying fluid, powder or gas media such as water, steam, ash-gas, oil, fog-shaped or powder particles. Especially useful in the oil conveying systems of the Petrochemical Industry and Petroleum Catalytic Cracking Systems
Technical Specification:
1.Nominal Pressure: Class 150~900
2.Nominal Dimension: 2"~24" 
3.Applicable Temp.: -40～900℃
4.Connection Type: Flange, Welding
Driving Mode: Manual/Electric/Hydraulic/Electric-Hydraulic