... CARBIDE, STEEL, WELDING ROD 2. LIFETIME: 15,000CBM PUTZMEISTER WEAR RING DN 200 DURO22 #251031006 1. Size: DN200, N230...etc2. ... , main products as below:1. wear plate and wear ring(Hardfacing, normal Tungsten Carbide type and 7 shape Tungsten Carbide ... reducer, rubber hose, clamp coupling, cleaning sponge ball, rubber seal, pistons, intermiate ring, swing lever etcPlease feel free to contact us for ...