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Product type Flowmeter
Product family name DK
Product positioning For low flow gas or liquid applications and sample flow monitoring
Measurement principle Variable area float
Measured media Gases, Liquids

Operating conditions

Process pressure max. 10 barg/
145 psig
Process temperature 0…+100°C/


Measuring tube Borosilicate glass
Gaskets Ethylene propylene diene monomer (EPDM), Perfluoroelastomer rubber (FFKM), Fluoroelastomer rubber (FPM), Polytetrafluoroethylene (PTFE)
Process connection Austenitic stainless steel (1.4404/316L), Nickel-plated brass, Polyvinylidene fluoride (PVDF)

Process connections

Flange connections EN (1092-1): DN15…25
ASME (B 16.5): ½…1″
Thread connections Female:
G¼ ¼ NPT
Other connections Swagelok;Serto, Ermeto; Hose; Gyrolok


Certificates/Approvals Safety SIL 2
Certificates/Approvals Ex ATEX, NEPSI, PESO
Certificates/Approvals Nuclear Nuclear qualification on request (e.g. acc. to ASME III, RCC-M/E, etc.)
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The DK46/47/48/800 is a variable area (VA) flowmeter for monitoring and adjusting extremely small flow rates of liquids (from ≥0.04 l/h or ≥0.1 GPH) and gases (from ≥5 Nl/h or 0.22 SCFH). It is thus particularly useful for sample flow monitoring in analyser systems and gas chromatographs or measuring liquids and gases in laboratories and pilot installations. Blinds and supports are available for panel mounting to purge panels or similar applications. By using a lab support, the flowmeters can be converted into a desktop unit.

Hashtron is proud to supply goods and industrial items to the oil and gas, petrochemical, and marine sectors as well as the civil construction, ship repair, and related industries. Construction, oil and gas, medical & IT, and wielding equipment are among our core product areas. Famous brands like OMRON, OTECO, Drager, Lincoln Electric, and more are primarily featured in our product line.

Oil&Gas Equipment

Hashtron provides a wide range of tools for measuring and extracting oil and gas. To facilitate the extraction of oil and gas, high-quality materials are utilised to create Calibration Gas, Oilfield Equipments and Parts, Gas Detection, and Compressors, to make the oil and gas extraction process smoother

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Our customers receive equipment and welding supplies of the highest calibre from us. These include Welding Equipment, Tools & Hardware, HVAC Products and Spare Parts, Office Suppies and Equipment and more.

Marine and Travel products

Hashtron offers a wide range of products, including Marina Products and Travel Accesories. Enrich your travel experience by choosing from our extensive selection of travel accessories, or prepare for your marine expeditions by equipping yourself with essential gear like our Super Zenith 7 x 50 Night Vision Binoculars and Dräger PARAT Escape Hoods

Medical and IT Tools Industry

Have Hashtron First aid kit eye wash and Medical Equipments supply you with the best medical equipments , or safeguard your home and place of work with our IT Products which include cutting-edge cameras with the latest tech and tools in the IT industry.


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