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VA10422 | Variable area glass flowmeter | SS float | max. flow rate 89.2 SCFH (42094 ml/min) air | 19.97 GPH (1260 ml/min) water. | Dwyer Instruments

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Dwyer Instruments VA10422 Documents

Instruction Manual Series VA Catalog Page More Info

Overview

Details for VA10422

VA10422 Flowmeter from Dwyer Instruments The Dwyer Instruments VA10422 is a high-precision flowmeter designed for measuring air or gas flow rates. With a large 65 mm face, it offers clear and easy readings. The unit is constructed with a durable, corrosion-resistant body, making it suitable for industrial environments. The VA10422 features a measurement range of 0-89.2 SCFH (Standard Cubic Feet per Hour), with an accuracy of Â±2% of full scale. It can withstand a maximum pressure of 45 PSI (Pounds per Square Inch) and operate at temperatures ranging from -40Â°F to 150Â°F. Its compact design allows for easy installation, and the 1/4" NPT (National Pipe Thread) connection provides versatility for various piping systems. This flowmeter is ideal for applications in industrial, HVAC, and laboratory settings, such as compressed air systems, ventilation ducts, and process lines. Contact our HVAC supply store, your trusted supplier of industrial equipment, for the best prices and fast shipping on the VA10422 flowmeter from Dwyer Instruments.

Series VA Variable Area Glass Flowmeters

65 mm and 150 mm, ±2% FS Accuracy, Interchangeable Flowtubes, PTFE Options, Universal mm Scale

The Series VA Variable Area Glass Flowmeters are designed with easy to read universal mm scale and supplied with correlation charts containing calibration data for air and water.

Glass flowmeters are suitable for metering carrier gases, liquid and gas measurement in pilot plants, laboratories, process flow and level indicating. Units are equipped with a standard 6-turn needle valve for flow rate control. High precision metering valves with non-rising stems (sold separately) are available for high sensitivity control and resolution - particularly suited for very low flow rates.

Flowmeters are shipped completely assembled and ready for panel mounting. Use an optional acrylic tripod base to convert to self-standing bench mounting.

Note: Calibration data is provided with each unit and is unique to each scale. If you require a calibration certificate for your flowmeter, please see the option under Accessories. (This excludes: VA1043, VA1243, VA1343, VA25425 and VA25025).

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Product Applications

Gas or liquid metering
Chemical processing
Semiconductor systems
Water and air pollution analysis systems
Laboratory systems

Permanently fused ceramic scale with vertical locator line reduces parallax and eyefatigue saving time
Long operating life with thick polycarbonate front shield that protects tube frombreakage and serves as a magnifying lens to enhance reading resolution
Standard 6-turn needle valve for flow rate control eliminating the need for a separatevalve reducing cost
No additional installation required with optional acrylic tripod base which allows forself-standing bench mounting
High precision metering valves with non-rising stems are available for high sensitivitycontrol and resolution for very low flow rate

Specifications

Series: VA Variable Area Glass Flowmeters
Category/Type: Flow
Type: Flowmeters
Series: VA Variable Area Glass Flowmeters
Service: Compatible gases or liquids.
Wetted Materials: Flowtube: Borosilicate glass; Floats: Glass or SS (sapphire; Carboloy and tantalum are optional); Float stops: PTFE; End fittings: Anodized aluminum; 316 SS; brass or PTFE; Packings: Fluoroelastomer; none on VAX5XX models; O-rings: Buna-N on aluminum models and brass models; fluoroelastomer on SS models; PTFE on VAX5XX models.
Temperature Limits: 250°F (121°C); VAX5XX: -15 to 150°F (-26 to 65°C).
Pressure Limits: 200 psig (13.8 bar); VAX5XX: 100 psig (6.7 bar).
Accuracy: ±2% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute); VA1043; VA1243; VA1343; VA25425; VA25025: ±5% FS @ 70°F(21.1°C) and 14.7 psia (1 @ absolute).
Repeatability: ±0.25% FS.
Leak Rate: 1 x 10-7 sccs of helium.
Scales: Universal 65 mm or 150 mm with correlation charts.
Turn-Down Ratio: 10:1.
Connections: Two 1/8" female NPT.
Mounting: Vertical.
Valve: 6-turn needle (standard); optional 16-turn high precision valve.
Valve Orifice: Acetal on aluminum models and brass models; PCTFE on stainless steel models; PTFE on VAX5XX models.