Dwyer VFB-51-BV FLOW METER, 4in SCALE, 2-20 SCFH AIR, BRASS VALVE
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| MFG Part # | DWYER VFB-51-BV |
| Condition | New |
| Our price | $59.95 |
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- The direct reading scales are hot stamped into the plastic and will not wear off.
- Accuracy is ±3% of full scale for VFA models, scales average 4" long
- Scales are easy to read - The front scale location and white background provides excellent visibility.
- Mid-range calibration is established with a master flowmeter.
- Durable and attractive construction - The machined acrylic bodies of the Visi-Float® flowmeters are practically unbreakable.
- Fabrication is backed by over 60 years of experience in acrylic instrument machining.
- The tapered bore is precision machined to a smooth surface that provides perfect visibility of the indicating float.
- Available with either brass or stainless steel inlet and outlet connections and are tapped for 1/8" NPT thread.
- VFB models 85 and 86 have either 1/4" back or 3/8" end connections.
- All standard models employ Buna-N o-rings for leak proof operation and are available with either back or end connections for horizontal or vertical piping.
- Precision metering valves in brass or stainless steel are available for most VFA and VFB models.
- Easy installation - All Visi–Float® flowmeters have metal mounting inserts on rear for panel mounting. They can also be supported directly by system piping.
Specifications
Service: Compatible gases and liquids.
Wetted Materials: Body: acrylic plastic; O-ring: Buna-N (fluoroelastomer available); Metal Parts: brass standard, stainless steel optional; Float: stainless steel, black glass, aluminum, K Monel depending on range.
Temperature & Pressure Limits: Without Valve: 100 psig (6.9 bar) @ 150°F (65°C); 150 psig (10 bar) @ 100°F (38°C); With Valve: 100 psig (6.9 bar) @ 120°F (48°C).
Accuracy: VFA = 5% of full scale; VFB = 3% of full scale.
Process Connection: 1/8" female NPT. VFB ranges 85 and 86 have 1/4" NPT back connections or 3/8" NPT end connections. These ranges not available with brass valves.
Scale Length: VFA 2" typical length; VFB 4" typical length.
Mounting Orientation: Mount in vertical position.
Weight: VFA: 4.0-4.8 oz (.11-.14 kg); VFB: 7.2-8.8 oz (.20-.25 kg).
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