Dwyer Series VF Visi-Float® Acrylic Flowmeter

Name: Dwyer Series VF Visi-Float® Acrylic Flowmeter
Brand: Dwyer

Dwyer Series VF Visi-Float® Acrylic Flowmeter

The Series VF Visi-Float® Flowmeters are a line of direct reading, precision machined, clear acrylic body flowmeters suitable for both gas and liquid applications. The fabrication of the Visi-Float® flowmeters is backed by over 60 years of experience in acrylic instrument machining. This Series consists of 2″ (51 mm) and 4″ (102 mm) scales with optional precision metering valves.

Appealing design allows for complete visual inspection with bodies that are cut and precision machined from solid, clear acrylic blocks
Increased reading accuracy with clear visibility of the float on a smooth white background
Eliminates the need for troublesome conversions and increases product operating life with direct reading scales that are hot stamped into the plastic
High repeatability from precision machined tapered bores
Low installation costs with back or end connection options with metal mounting inserts that can be supported directly by system piping

Medical equipment
Laboratory equipment
Air samplers
Gas analyzers
Pollution monitors
Chemical injectors
Cabinet purging

PRODUCT MANUAL

Service / Media	Compatible gases & liquids
Wetted Materials	Body: acrylic; O-ring: Buna-N; metal parts: brass std (SS optional); float: SS, black glass, aluminum or K-Monel by range
Accuracy	VFA: ±5% of full scale; VFB: ±3% of full scale
Max Pressure	100 psig (6.9 bar) @ 150 °F; 150 psig (10 bar) @ 100 °F (without valve)
Max Temperature	150 °F (65 °C) without valve; 120 °F (48 °C) with valve
Process Connections	1/8" female NPT (VFB ranges 85/86: 1/4" NPT back or 3/8" NPT end)
Valve Options	Brass or stainless steel valves available
Weight	VFA: 4.0–4.8 oz (0.11–0.14 kg); VFB: 7.2–8.8 oz (0.20–0.25 kg)