... and brass 2, pressure rating:2.5mpa 3, color: white, green, grey, blue 4, size:20mm PPR stop valve Material:Polypropylene ... Product Description American style hidden stop valve Specification(mm):20-110mm Standard:DIN8077/8078ppr stop valve is PPR pipe and PPR ... service life under normal conditions, 20 degree PPR stop valve with brass insert, different cap. chrome plated, PPR body&brass insert valve