Dwyer VFB-66-BV Visi-Float Flowmeter 1-10 LPM Air

Used Dwyer VFB-66-BV Visi-Float Acrylic Flowmeter 1-10 LPM Air

Used Dwyer Series VF Visi-Float flowmeter, model VFB-66-BV. Acrylic body, 4-inch scale, range 66, integral brass valve. Direct-reading air scale of 1 to 10 LPM. For compatible gases and liquids on a vertical panel or pipe mount.

Intended applications

• Air and compatible gas flow measurement
• Cabinet purging, gas analyzers, air samplers, and pollution monitors
• Chemical injectors and lab process flow indication
• Medical and industrial equipment that needs a direct-reading rotameter
• Panel or in-line mounting with the integral brass needle valve for flow adjustment

Technical and functional specifications

• Manufacturer: Dwyer Instruments
• Model / catalog: VFB-66-BV
• Series: VF Visi-Float
• Range number: 66
• Flow range: 1–10 LPM air
• Scale length: about 4 in
• Accuracy: 3% of full scale
• Body: clear acrylic plastic
• Valve: brass (BV suffix)
• O-ring: Buna-N
• Metal parts: brass / nickel-plated brass standard
• Float: depends on range (stainless, glass, aluminum, or K Monel)
• Process connection: 1/8 in female NPT
• Mounting: vertical only, inlet at bottom, outlet at top
• Pressure limit with valve: 100 psig (6.9 bar) at 120°F (48°C)
• Temperature limit with valve: about 120°F (48°C)
• Weight: about 7–9 oz

Condition Used. Confirm the acrylic body, scale, float, and valve from the photos. Mount vertically. Use only with compatible gases and liquids.