Model V20 Rotary Vane Pumps have been designed and precision built for efficient transfer of a variety of liquids over a wide range of viscosities with lubricating or non-lubricating characteristics. V20 Rotary Vane Pumps are highly configurable based on different materials of construction and features, and are available with the option of either a poppet bypass valve, or a hydraulically balanced bypass valve. These pumps include 2-in ports.