Overview
NSEN Triple offset Bi-directional butterfly valve adopts the replaceable sealing structure of “Stainless steel and graphite laminated ”. This ensures reliable sealing performance and longer life span under frequent opening/closing working condition.
• Multi-layer sealing
• Low opening torque
• Zero Leakage for both way
• Friction free between seat and sealing
• Fire safe design to API607
• Replaceable Seat & Disc Sealing