Created by Hersill, this click-style flowmeter is great for use in hospitals. Comprised of a polycarbonate dial, aluminum body, and a chromium-plated brass DISS it is equipped with 14 precalibrated flows and a pressure reducer on the inside. Other parts of the flowmeter are manufactured using highly quality stainless steel, NBR, polyamide, and silicone. It features a Witworth GAS inlet and a DISS oxygen outlet. It can be used with a variety of different pipeline pressures, providing accurate flow irregardless of the inlet pressure. There are several options to choose from, some of which have a fixed input pressure, while others can be variable. The Perflow multy has a pressure stabilizer micro-regulator ensuring exact flow even with supply pressure changes. There are a variety of different fittings to ensure the perfect fit for your facility. This includes NF, BS, DIN and SS, although other fittings are available through special ordering.