Reasonable price with best delivery time Features: 1. Size: 2"to48"wafer type, lug type and double flanged type 2. Materials: Body: Cast iron, carbon steel, 304S. S, 316S. S and aluminum bronze. Disc: Ni-plated ductile iron, Nylon coated ductile iron, 304S. S, 316S. S, aluminum bronze and monel. Shaft: 416S. Sand316S. S, 17-4PH. Seat: EPDM, high temperature EPDM, food grade EPDM, NBR, abrasive ...