GM520 Series   GM520 Design   Oval Gear Housing   Aluminum Fitting Size   2 inch Fitting Type Option 1 NPT (female) Option 2 BSP (female) Option 3 150# ANSI Flange Sensor Option 1 Mechanical Display Rotors Option 1 PPS Option 2 High Viscosity PPS Option 3 Stainless Steel Option 4 High Viscosity SS O-Ring Option 1 Viton Option 2 Teflon Display Option Option 1 Mechanical Display Flow Range GPM 4 - 92.5 GPM LPM 15 - 350 LPM Flow Range @ < 5 cps GPM 8 - 79 GPM LPM 30 - 300 LPM Accuracy   +-1% of reading Repeatability   0.03% Maximum Viscosity Standard Rotors 1000cps High Viscosity Rotors 1000000cps Pressure Rating PSIG 500 PSIG bar 34.5 bar   Flange Rule Fluid Temperature Range SS Rotors Fahrenheit 248ºF Celsius 120ºC Fluid Temperature Range PPS Rotors Fahrenheit 176ºF Celsius 80ºC Wetted Components Housing Aluminum Bearings PPS (Ryton) Bearings (Optional) Carbon / Graphite Shaft 316 SS Gear Train Acetal (Delrin) Strainer Size   60 mesh Shipping Weight lbs 17.1 lbs kg 7.8 kg Shipping Weight-Flange lbs 20.1 lbs kg 9.1 kg