Dwyer DR4106 is a high flow glass flowmeter with a temperature range of 250°F (121°C). It offers an accuracy of ±10% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute). The flowmeter is designed for vertical mounting and is compatible with gases and liquids. Its wetted materials include borosilicate glass, 316 SS, brass or 316 SS fittings, and Buna-N or fluoroelastomer O-rings. With a pressure limit of 200 psig (13.8 bar), the flowmeter has a repeatability of ±0.25% of scale reading. It features direct reading 127 mm scales for air or water, a 3/8" female NPT connection, a 10:1 turn-down ratio, and a 6-turn needle valve (standard on models with valve).