Product Information Material: Cast Brass Select a Product Part NumberDescriptionInletOutlet NAPRAV150F-20Calculated setting: 201-1/2" female NPT1-1/2" male NST (NH) NAPRAV250F-60Calculated setting: 602-1/2" female NPT2-1/2" male NST (NH) NAPRAV150F-15Calculated setting: 151-1/2" female NPT1-1/2" male NST (NH) NAPRAV250F-55Calculated setting: 552-1/2" female NPT2-1/2" male NST (NH) NAPRAV150F-25Calculated setting: 251-1/2" female NPT1-1/2" male NST (NH) NAPRAV250F-75Calculated setting: 752-1/2" female NPT2-1/2" male NST (NH) NAPRAV150F-30Calculated setting: 301-1/2" female NPT1-1/2" male NST (NH) NAPRAV250F-70Calculated setting: 702-1/2" female NPT2-1/2" male NST (NH) NAPRAV150F-35Calculated setting: 351-1/2" female NPT1-1/2" male NST (NH) NAPRAV250F-80Calculated setting: 802-1/2" female NPT2-1/2" male NST (NH) NAPRAV250F-65Calculated setting: 652-1/2" female NPT2-1/2" male NST (NH)