Dwyer VFB-80-EC-SS is a Visi-Float® Acrylic Flowmeter that offers accurate flow measurement with VFA accuracy of 5% and VFB accuracy of 3%. It is compatible with gases and liquids, and can be mounted in a vertical position. The flowmeter has a durable construction with acrylic plastic body, Buna-N O-ring (fluoroelastomer available), and nickel plated brass or optional stainless steel metal parts. It has a pressure limit of 100 psig without a valve and 100 psig with a valve. The flowmeter has a 1/8" female NPT process connection, except for VFB ranges 85 and 86 which have 1/4" NPT back connections or 3/8" NPT end connections. The scales of the flowmeter have a typical length of 2" for VFA and 4" for VFB.