Lubrication Optimized Vane Style Flowmeter Technology

Lubrication Optimized Vane Style Technology - local display of flow rate with inexpensive addition of mechanical switches and transmitters

Learn about Lubrication Optimized Vane Style Flowmeter Technology

The SN series has the following characteristics and/or options:

  • Maximum flow rates from 0.5-20 GPM
  • Lubricating oil applications.
  • Local indication of flow rate
  • Mechanical pointer
  • Mechanical switch
  • 4-20 mA transmitter
  • 4-20 mA transmitter with HART
  • LCD display
  • No up or downstream pipe length requirements
Price: Starting at $302.00
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The MN series has the following characteristics and/or options:

  • Maximum flow rates from 20 - 160 GPM
  • Lubricating oil applications.
  • Local indication of flow rate
  • Mechanical pointer
  • Mechanical switch
  • 4-20 mA transmitter
  • 4-20 mA transmitter with HART
  • LCD display
  • No up or downstream pipe length requirements
Price: Starting at $463.00
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Documents

The LN series has the following characteristics and/or options:

  • Maximum flow rates from 80 -500 GPM
  • Lubricating oil applications
  • Local indication of flow rate
  • Mechanical pointer
  • Mechanical switch
  • 4-20 mA transmitter
  • 4-20 mA transmitter with HART
  • LCD display
  • No up or downstream pipe length requirements
Price: Starting at $1,794.00
Select Options
Documents
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How Lubrication Vane Style Flowmeters Work

Variable area flowmeters measure flow by allowing the flow stream to change the opening within the flowmeter by moving an internal part. When the flow increases, the fluid generates more force and moves the internal part farther.

Vane-style variable area flowmeters have a spring-opposed vane that moves in relation to the flow rate. Similarly, piston variable area flowmeters use a spring-opposed piston that moves in relation to the flow rate. These flowmeters can be connected to an indicator or transmitter. Vane and piston style variable area flowmeters have a direct mechanical linkage from the fluid chamber to the control box making the addition of alarm switches or transmitters very cost effective.

How to Use Vane or Piston Style Variable Area Flowmeters

Vane and piston style variable area flowmeters inferentially measure the flow of liquids and gases, such as water, air, lubrication oils and chemicals. Be careful because using variable area flowmeters on dirty fluids, or fluids that can plug the flowmeter which render the flowmeter inoperable.

This flowmeter can be applied to relatively clean liquids and gases. Vane style variable area flowmeters are available in sizes up to approximately 8 inches with materials of construction that include stainless steel. This is considerably more flow that the typical variable area meters that are typically limited to a 3 inch diameter pipe.

Vane and piston variable area flowmeters are commonly used to provide local indication of liquid flows, such as for seal water or circulating lubrication oil in the mining, mineral processing, pulp and paper, petroleum, chemical, petrochemical, and waste water industries.

Application Cautions for Variable Area Flowmeters

Do not apply variable area flowmeters to fluids that are dirty because these may render the flowmeter inoperable. Most variable are meters require vertical orientation but the vane or piston style can be mounted in any orientation.

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