The Procon Pump Stainless Steel 35 GPH 3/8" NPT - w/ .188" Flat Drive is a positive displacement pump. This Series 3 Procon pump is stainless steel with a .188" flat drive. The inlet and outlet ports are 3/8" NPT and the pump has a flow rate of 35 gallons per hour. The seal for configuration 103A035R32XX uses Nitrile Type 21 which will prevent leakage. The clockwise rotation of the pump operates at a nominal speed of 1725 rotations per minute. The Series 3 pumps are self-priming, so there is virtually no maintenance. The maximum discharge pressure for this pump is 250 psi. The 103A035R32XX pump is designed to be directly connected to the motor with a stainless steel clamp. 
Additional Specifications: 

• Capacity: 35 GPH
• Nominal Speed: 1725 RPM
• Maximum Discharge Pressure: 250 psi
• Rotation: clockwise 
• Weight: 2.3 lbs
• Port Size: 3/8" NPT Inlet and Outlet
• Stainless Steel