Procon® Rotary Vane Fluid PumpAll pumps have a nominal speed of 1725 RPM a maximum di scharge pressure of 250 PSI clockwise rotation and an adjustable relief range (if available). Series 5Manufacturer No: 105B240F31BA170Mount: Clamp-OnDriv e Coupler: Double Flat BronzeFlow Rate (GPH): 240 GPHSeal: Nitrile< b>Relief Setting: 170 PSICapacity: 115 to 330 GPHNominal Speed: 1725 RP MMax. Discharge Pressure: 250 psiRotation: ClockwiseSeries 5 Pumps have a brass body and is design for operating flow rates of 115 GPH to 330GPH. This series is constructed the same as the Series 3 pumps only larger in size. Has 1/2" FPT ports.