Materials for main parts 1 Body Gray Cast Iron Or Ductile Iron 2 Backup Plate Rubber 3 Bonnet Gray Cast Iron Or Ductile Iron 4 Strainer Stainless Steel 5 Plug Gray Cast Iron Application Range 1 Face to faceú¦ DIN3202 F1 2 Flange standard: DIN2532/2533 PN10/PN16 3 Working pressureú¦ PN10/PN16 Test Working pressure PN10/PN16 Testing pressure Strength test 15bars/24bars Sealing test 11bars/17.6bars
