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Dwyer VA13413 | Variable Area Glass Flowmeter | Glass float, 4.32 SCFH air, 0.63 GPH water
With a glass float, the Dwyer VA13413 variable area glass flowmeter tops out at 4.32 SCFH of air (2040 ml/min) or 0.63 GPH of water (40 ml/min). Typical uses for the VA13413 include carrier gas metering, pilot-plant and laboratory flow checks, and process flow or level indication.
- Accuracy of the VA13413: ±2% FS (70°F, 14.7 psia), with ±0.25% FS repeatability
- Air and water correlation charts accompany the universal mm scale of the VA13413
- Standard 6-turn needle valve on the VA13413; 16-turn high precision valve offered separately
- Borosilicate glass tube, 10:1 turn-down and two 1/8" female NPT ports (VA13413)
- For bench use, the VA13413 can sit on an optional acrylic tripod base
- Specifications
- Features
- Downloads
| Part Number | VA13413 |
| Brand | Dwyer |
| Type | Variable area glass flowmeter |
| Float | Glass |
| Max. Flow (Air) | 4.32 SCFH (2040 ml/min) |
| Max. Flow (Water) | 0.63 GPH (40 ml/min) |
| Accuracy | ±2% FS at 70°F (21.1°C), 14.7 psia |
| Repeatability | ±0.25% FS |
| Turn-down | 10:1 |
| Connections | Two 1/8" female NPT |
| Flowtube | Borosilicate glass |
| Valve | 6-turn needle valve (16-turn high precision optional) |
| Leak Rate | 1 x 10-7 sccs helium |
| Mounting | Vertical, panel mount |
- 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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