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Dwyer VA22430 | Variable Area Glass Flowmeter | SS float, 1.725 SCFH air, 0.323 GPH water
The Dwyer VA22430 is a variable area glass flowmeter with a stainless steel float, graduated for a maximum of 1.725 SCFH (814 ml/min) of air or 0.323 GPH (20.4 ml/min) of water. The VA22430 is listed for process flow and level indication, carrier-gas metering, and liquid or gas measurement in pilot plants and laboratories.
- VA22430 accuracy ±2% FS at 70°F (21.1°C) and 14.7 psia, repeatability ±0.25% FS
- Universal mm scale with air and water correlation charts and calibration data supplied with the VA22430
- Standard 6-turn needle valve on the VA22430; 16-turn high precision metering valve sold separately
- Two 1/8" female NPT connections, vertical mounting, 10:1 turn-down (VA22430)
- VA22430 ships assembled for panel mounting; an optional acrylic tripod base allows bench use
- Specifications
- Features
- Downloads
| Part Number | VA22430 |
| Brand | Dwyer |
| Type | Variable area glass flowmeter |
| Max. flow (air) | 1.725 SCFH (814 ml/min) |
| Max. flow (water) | 0.323 GPH (20.4 ml/min) |
| Float | Stainless steel |
| Flowtube | Borosilicate glass |
| Accuracy | ±2% FS @ 70°F (21.1°C), 14.7 psia |
| Repeatability | ±0.25% FS |
| Connection | Two 1/8" female NPT |
| Scale | Universal 65 mm or 150 mm with correlation charts |
| Valve | 6-turn needle (standard); 16-turn high precision optional |
| Turn-down Ratio | 10:1 |
| Mounting | Vertical |
- Time is saved with a permanently fused ceramic scale with a vertical locator line that lessens parallax and eye strain.
- Long operational life and a magnifying lens to improve reading resolution are features of the robust polycarbonate front cover, which also protects the tube from breaking.
- For flow rate control, a standard 6-turn needle valve replaces the requirement for an additional valve, saving money.
- With the optional acrylic tripod base that enables self-standing bench mounting, no extra installation is needed.
- For extremely low flow rates, great sensitivity control and resolution are possible with high precision metering valves including non-rising stems.
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