1, Lattice structure, light weight, high strength. Products have been relatively light weight 30% and 40% increase in strength;
2, Surface treatment: electro zinc plated after welding for rust-free life.
3, Assembly, folding sam...
Electric Wafer Hard Seal Butterfly Valves for three eccentric multi-level metal hard sealing structure, the use of a "U" shaped stainless steel ring, the precision of elastomeric seals in contact with the polished three-dimensiona... 699 USD
