Clockwise Rotation when facing shaft end. Stainless Steel Shaft and Wear Ring. Chemical resistant Valox. Standard Viton Carbon/Ceramic seal. MAG-D models equipped with heavy 12V clutch. X3 model has 3-1/2" (8.89 cm) spacing on mounting base; all other models have 5-1/4" (13.34 cm). Port sizes: Inlet 1-1/2" NPT, Outlet 1-1/4" NPT. Max Pressure: 120 PSI Max Flow: 80 GPM Weight: 20 lbs