This brass rotary vane pump is excellent for tire cleaner, presoak, spot-free RO water, and foam brush applications. They feature durable, dependable, three-bearing construction and Viton seals for added chemical resistance. Special internal materials used to eliminate metal to metal contact allowing for long life and quiet operation. Inlet and outlet ports are 1/2” NPT threaded and this pump is equipped with a built-in adjustable relief valve. It can be connected to coupling direct motor with a metallic clamp Specifications: