... DURO22 #251031006 1. MATERIAL: TUNGSTEN CARBIDE, STEEL, WELDING ROD 2. LIFETIME: 15,000CBM PUTZMEISTER WEAR RING DN 200 DURO22 #251031006 1. ... below:1. wear plate and wear ring(Hardfacing, normal Tungsten Carbide type and 7 shape Tungsten Carbide type)2. S pipe and ... , clamp coupling, cleaning sponge ball, rubber seal, pistons, intermiate ring, swing lever etcPlease feel free to contact us for more ...