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Overview
Variable area flow meter Model VD is a sturdy industrial flow meter with a heavy-duty impact resistant polymer flow tube. It has a flow adjustment valve on the inlet. It comes in a range of different options and offers a choice of end blocks: aluminium, stainless steel AISI 316 or polyamide. It is a reliable instrument for measuring and monitoring liquid and gas flows. Typical applications are sealing and cooling water, lubrication oil and gas flow measurements.
Technical Data | |||
Model | VDA- | VDH- | VDK- |
Weight | 0,75 kg | 2,00 kg | 0,95 kg |
End blocks | Aluminium | AISI 316 | Nylon |
Side plates | AISI 316 | AISI 316 | AISI 316 |
Max. pressure | 30 bar | 30 bar | 20 bar |
Max. temperature | 80°C (* 120°C) | 80°C (* 120°C) | 80°C |
Valve housing | Aluminium | AISI 316 | AISI 316 |
Valve spindle | AISI 316 | AISI 316 | AISI 316 |
Flowtube | Grilamid (PA-12) (* PES) | Grilamid (PA-12) (* PES) | Grilamid (PA-12) (* PES) |
Connections | BSP 1/2" or NPT 1/2" | BSP 1/2" or NPT 1/2" | BSP 1/2" or NPT 1/2" |
Float | AISI 329 or AISI 329/PTFE (depending on range) |
AISI 329 or AISI 329/PTFE (depending on range) |
AISI 329 or AISI 329/PTFE (depending on range) |
Seals | Nitrile (* Viton®, EPDM) | Nitrile (* Viton®, EPDM) | Nitrile (* Viton®, EPDM) |
Accuracy | ±5% F.S. (H2O, +20°C) | ±5% F.S. (H2O, +20°C) | ±5% F.S. (H2O, +20°C) |
*Alarm sensor | ILK-M30-BB ( 20 - 250 VAC/DC, 2 -wire, NC ) ILK-M30-FR ( 10 - 55 VDC, 2 -wire, NO / NC ) ILK-M30-N ( Namur, DIN 19234 ) |
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*) Special construction on request |