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Buy now! $391.35USD
Dwyer

DR Direct Reading Glass Flowmeters

65 mm and 150 mm, Interchangeable Flowtubes, Direct Reading Scales

Buy now!
$391.35USD
Have questions? We're here to help!
Have questions? We're here to help!

 The Series DR Direct Read Variable Area Glass Flowmeters are ideal for the direct flow measurement of air, water, and other commonly used gases. These flowmeters are designed with direct read scales with no need for correlation charts. They feature borosilicate glass tubes in 150 mm or 65 mm scales with aluminum and SS metering valve options.

 
Flowmeters are shipped completely assembled and include standard panel mounting hardware for quick installation
• Permanently fused ceramic scale with vertical locator line, reflective lens background and 1.5 X magnification lens reduces parallax and eye fatigue saving time
• Long operating life with thick polycarbonate front shield that protects tube from breakage and serves as a magnifying lens to enhance reading resolution
• Optional needle valve for flow rate control eliminating the need for a separate valve reducing cost
• Increased protection with included safety blow-out back panel for added safety
Accuracy±5% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute).
Repeatability±0.25% of scale reading.
ScalesDirect reading 65 mm or 150 mm scales for air or water.
Turn-down Ratio10:1
Connection1/8" female NPT.
MountingVertical
Valve6-turn needle (standard on models with valve).
ServiceCompatible gases or liquids.
Wetted MaterialsFlowtube: Borosilicate glass; Float: 316 SS (black glass as indicated); Float stops: PTFE; End fittings: Anodized aluminum or 316 SS; O-rings: Buna-N on aluminum models and fluoroelastomer on SS models.
Temperature Limits250°F (121°C).
Pressure Limits250 psig (17 bar).
• Gas or liquid metering
• Paper manufacturing
• Chemical processing
• Semiconductor systems
• Water and air pollution analysis systems
• Laboratory systems

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