DK46/47/48/800

DK46/47/48/800

Variable area flowmeter for low flow gas or liquid applications and sample flow monitoring

  • Glass tube with analogue scale, valve and switches
  • For low flows from ≥0.04 l/h or ≥0.1 GPH
  • G and NPT threads; others on request
  • -5…+100°C / +23…+212°F; max. 10 barg / 145 psig

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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.

Product positioning

For low flow gas or liquid applications and sample flow monitoring

Measurement principle

Variable area float

Measured media

Liquids, Gases

Process pressure

max. 10 barg/145 psig

Process temperature

0…+100°C/-40…+392°F

Materials

Measuring tube Borosilicate glass

Gaskets

Ethylene propylene diene monomer (EPDM), Polytetrafluoroethylene (PTFE), Perfluoroelastomer rubber (FFKM), Fluoroelastomer rubber (FPM)

Process connection

Austenitic stainless steel (1.4404/316L), Polyvinylidene fluoride (PVDF), Nickel-plated brass

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

Approvals/Standards

Certificates/Approvals Ex ATEX, NEPSI, PESO, UKEX

Certificates/Approvals Nuclear Nuclear qualification on request (e.g. acc. to ASME III, RCC-M/E, etc.)

Certificates/Approvals Safety SIL 2

Communication

Discrete outputs Limit switches

Features & Options

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

  • Cost-effective small purgemeter
  • Low-cost measuring principle without auxiliary power
  • Maximum measuring error: ±1 / ±2.5 / ±4% (acc. to VDI/VDE 3513-2) or ±1 / ±2 / ±3% of full scale
  • Fine metering of very small volumes of liquids and gases
  • Integrated high quality needle valve in foot or head piece
  • Stainless steel, brass or PVDF fittings
  • Suitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)
  • No wearing parts