Flow Indicator Indicator Type Rotor Body Material 316 Stainless Steel Connection Size 9/16 in Connection Type NPT Operating Pressure - Maximum 200 psi Sight Material Polysulfone Sight Diameter 1.7 in Number of Windows 1 Flow Direction Horizontal Left Horizontal Right Media Temperature - Minimum -20 Degrees F Media Temperature -Maximum 212 Degrees F Seal Material Viton Overall Length 3 in Overall Width 2.3 in Wetted Material 316 Stainless Steel PSU PPS Viton