Product Information Material: Cast Brass Working Pressure: 300 PSI at 70°F (21°C) Select a Product Part NumberInletOutlet AV1501-1/2" female NPT1-1/2" male NST (NH) AV150S1-1/2" female NPT1-1/2" male NPSH AV150T1-1/2" female NPT1-1/2" male NPT AV2502-1/2" female NPT2-1/2" male NST (NH) AV250NYFD2-1/2" female NPT2-1/2" male NYFD