
Urban Water Supply Network NBR (Nitrile Rubber) Sealed Lug Butterfly Valve. Dual-Direction Sealing: Achieves zero leakage with reliable two-way sealing capability. Wide Material Customization: Customizable body, stem, disc, and seat materials to suit specific media. Replaceable Seat Design: Features replaceable hard or soft seats for convenient field maintenance. Compact Structure: Simple design with small operating torque for quick 90-degree operation. Comprehensive Certifications: Certified by ISO9001, CE, WRAS, CCS, LR, DNV, ABS, and AD2000. Corrosion Resistance: Materials selected for resistance to corrosion, light, and aging. Full Flow Design: Prevents jamming of impurities with optimized flow characteristics. Long Service Life: Designed for repeated opening and closing with extended durability.