Overview
NSEN Triple offset uni-directional butterfly valve adopts the replaceable sealing structure of “Stainless steel and graphite laminated ”. This series could reach uni-directional Zero-leakage requirement in related standard. Trim material is made of high quality stainless steel, it could avoid the corrosion problem after long time using.
• Multi-layer sealing & solid metal sealing
• Low opening torque
• Friction free between seat and sealing
• Fire safe design to API607
• Replaceable Disc Sealing