Compare Pump FeaturesCompare the features of our Gear Pumps, Metering Pumps, and Variable Dispense Pumps side-by-side to quickly identify the best fit for your application. Diener Precision Pumps engineer our pumps to fulfil your OEM pump requirements and are here to assist you so if you have any questions about these pumps features and your application needs, please contact us. Pump Feature Comparison Matrix (✓ = Yes, ✕ = No, C = Case dependent). Feature Gear Pumps Metering Pumps Variable Dispense Pulseless Flow Yes✓ No✕ No✕ Valveless Integration Yes✓ Yes✓ No✕ Sealless Yes✓ Case dependentC No✕ Precision Dispense No✕ Yes✓ Yes✓ Partial Dispense No✕ No✕ Yes✓ No Metal Contact No✕ YesC Yes✓ View Pumps View Pumps View Pumps