VA40
Variable area flowmeter for basic applications
- With glass tube, MIN/MAX switches and 4…20 mA
- Low pressure loss for gas applications
- Flange: DN15…50 / ½…2″; also NPT, G, hygienic connections, etc.
- -20…+100°C / -4…+212°F; max. 10 barg / 145 psig
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The VA40 is a glass tube variable area (VA) flowmeter for flow measurement of liquids and gases. The all-purpose flowmeter is suitable for all basic applications up to +100°C / +212°F and max. 10 bar / 145 psi. Typical applications include flow measurement of flushing, purging or inert gases or heating and cooling circuits.
The VA40 operates without auxiliary power supply. The measuring cone, protected by a metal sleeve with a viewing glass, makes it easy to directly read the flow and to observe the medium. The VA meter can also be equipped with two optional limit switches (MIN/MAX) or analogue output (4…20 mA). The flowmeter comes with many process connections and can be used in hazardous areas.
Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.
- Simple, low-cost measuring principle without auxiliary power
- For direct reading of the flow and observation of the medium
- Optional MIN/MAX flow switches (SIL 2 conform acc. to IEC 61508-2) or 4…20mA for recording and control
- Full scale value for liquids: 0.4…10,000 l/h / 0.1…2,650 GPH
- Full scale value for gases: 7…310,000 l/h / 0.25…11,000 SCFH
- Maximum measuring error: ±1% (acc. to VDI/VDE 3513-2) or ±1% of full scale
- Turndown ratio 10:1
- Use in hazardous areas
- Suitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)
- Available as food and pharmaceutical variant (with FDA compliant materials)
Machinery and apparatus (OEM industry)
- Air and cooling water supply
- Gas measurement for industrial furnaces and thermal processes
- Measurement of protective gases
Pharmaceutical industry
- Demineralised and ultrapure water, alcohol, solvents, insulin etc
Food and beverage industry
- Air or water supply, alcohol, nitrogen, carbon dioxide (CO2)
Conventional and nuclear power industry
- Water monitoring in auxiliary circuits
Specifications
General information
| Product type | Flowmeter |
| Product family name | VA |
| Product positioning | For basic applications |
| Measurement principle | Variable area float |
| Measured media | Liquids, Gases |
Operating conditions
| Process pressure | max. 10 barg/ 145 psig |
| Process temperature | 0…+100°C/ +32…+212°F |
Materials
| Measuring tube | Borosilicate glass |
| Gaskets | Ethylene propylene diene monomer (EPDM), Perfluoroelastomer rubber (FFKM), Fluoroelastomer rubber (FPM), Nitrile butadiene rubber (NBR) |
| Process connection | Austenitic stainless steel (1.4404/316L), Polyvinylidene fluoride (PVDF), Chromised steel |
Process connections
| Flange connections | EN (1092-1): DN15…50 ASME (B 16.5): ½…2″ |
| Thread connections | Female: G½, G¾, G1, G1½, G2 ½ NPT, ¾ NPT, 1 NPT, 1½ NPT, 2 NPT |
| Other connections | Hose: DN15, DN25, DN40, DN50 |
| Hygienic connections | Clamp (DIN 32676): DN15, DN25, DN40, DN50 Clamp (ISO 2852) 17.2, 25, 40, 51 Tri-Clamp: ½”, 1″, 1½”, 2″ Threaded ferrule (DIN 11851): DN15, DN25, DN40, DN50 Threaded ferrule (SMS 1146): 25 mm, 38 mm, 51 mm |
Approvals/Standards
| Certificates/Approvals Ex | ATEX, UKEX |
| Certificates/Approvals Hygienic | FDA, EC 1935/2004 |
| Certificates/Approvals Nuclear | Nuclear qualification on request (e.g. acc. to ASME III, RCC-M/E, etc.) |
| Certificates/Approvals Safety | SIL 2 |
Communication
| Analogue outputs | 4…20 mA |
| Discrete outputs | Limit switches |
Delivery Time
*Note: If you order a large quantity and variety of products, the delivery cycle may be extended appropriately.
If you have special requirements for the product, you can inform me through online chat, email, WhatsApp, or any other method, and we will contact you within the same day to address your concerns.