SM Series Metal Flowmeter For Liquids And Gases From Kobold Instruments

Kobold SM Series Metal Flowmeter for Liquids and GasesThe SM series is a compact, very rugged flowmeter and switch. It operates on the well known variable area principle but without the use of an open conical measuring tube. Instead the instruments use a cylindrical control tube with a conical groove along its axis. This approach allows for higher rates of flow to be monitored in a compact meter. It also allows for greater control of turndown than with traditional conical tube variable area designs. The SM series metal flowmeter for liquids and gases is available as a flow switch, flowmeter or flowmeter and switch. The switches are externally mounted, adjustable reed contacts and are actuated by a magnet in the float. This same magnet can also be used to couple to an external flow indicator, allowing reading of flow rate without requiring visibility of the float. This allows the SM series metal flowmeter for liquids and gases to benefit from all the advantages inherent in using an all metal construction (high pressure, shock resistance).

The SM series metal flowmeter for liquids and gases series can be provided to mount in horizontal or vertical installations depending on model number. The instruments are designed to handle flow rates much larger than their stated maximum measuring range without damage. At excessive flow the device will, however, induce a larger pressure drop.

Special Features:

  • ±4% Full Scale Accuracy

  • Max. Pressure 3600 PSI/5000 PSI

  • All Media Contacted Parts available in Brass or SS

  • Direct Reading Scales for Water and Air Small, Compact Design

  • Easy to Install

Product Specifications:

  • Accuracy: 4% full scale

  • Flow media: liquids and gases

  • Installation:
    SMV ... vertical, media flow bottom to top
    SMO ... vertical, media flow top to bottom
    SMW ... horizontal, media flow left to right or right to left (specify)
    SMF ... vertical, media flow bottom to top

  • Measuring principle: SMV ...model, with float and cylindrical control tube
    SMO, SMW, SMF ...model, with float spring loaded and cylindrical control tube

  • Max. temperature:
    Brass, aluminum or SS floats: 240°F
    PP or PVDF floats: 160°F

  • Max. pressure: 3600 PSIG for Brass units, 5000 PSIG for SS units

  • 230 PSIG with PP or PVDF Floats

  • Body: Nickel-plated brass or 304 SS

  • Slotted nozzle: Nickel-plated brass or 304 SS

  • Float: Nickel-plated brass, hard anodized aluminum, polypropylene or SS

  • Spring: 301 SS

  • Fittings: Nickel-plated brass or 304 SS

  • Seals: Buna-N for brass units, viton for SS-units

  • Reed contact: standard N/O max., 50VA special

  • SPDT max. 30VA

  • UL, CSA approved

Additional Product Info
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