TN620 For Aviation Lavatory Service Carts Materials & Performance +/- 1% Over 10:1 Turndown & +/- 0.5 Repeatability Flow Rates to 20 GPM (76 lpm) Mechanical Direct Reading Register, 99.9 Gallons or 999 Liters 1" Ports NPT or BSP Ports Standard Aluminum Case PPS Measuring Chamber EPR Seals 95 PSI (6.5 BAR) MWP Model TN620ALSW35 Shown