Flow Rate: 237, Max PSI: 120, Solids Handling Size: 3/8", Center Section Material: Aluminum, Diaphragm Material: Nitrile, Wetted Parts Material: Nitrile, Connections: Rp 3 (3 - 11 BSP parallel), Hardware Material: 316 Stainless Steel, Seat Material: Nitrile, Ball Material: Nitrile