... Features: 1. Size: 2"to48"wafer type, lug type and double flanged type 2. Materials: Body: Cast iron, carbon steel, 304S ... NBR, Viton, high temperature Viton, Hypalon, Silicon rubber PTFE over EPDM, PTFE over NBR, Neoprene. Bushing: Glass backed PTFE 3. Working Pressure ...