This HDO 400 device is made by Lutz and it is ideal for use with non-flammable liquids. Liquids that can be used with this device include: neutral liquids, mineral oil products, various acids, many alkalis, cosmetic products, foodstuffs, paints, lacquers and so forth. The HDO is suitable for elevated flow rates, temperatures and operating pressures. It features an oval gear principal. The device provides elevated accuracy and reduced friction losses. It was created for thin-bodied, highly viscous liquids. The device also comes with a touchscreen display that has a multilingual operating menu. It is available in aluminum and stainless steel.