Kofloc Model 2412M Precision Needle Valve 

Kofloc Multi dial Type Precision Needle Valve

This is an enhanced model of the KOFLOC Precision Needle Valve Model 2412 (see page 102), which now incorporates a multi-dial that allows the user to set desired flow rates by dial operations. This valve makes the most of the rotation to-flow linearity and repeatability performance of the 2412 needle.


  • Since a precision needle valve usually has superior flow characteristics and repeatability, it can be  used in place of a needle valve flowmeter.
  • Wide variations are available for both the needle valve (Type T, Type L, and so on) and the multi-dial (Standard Type, Round Type, and so on).

Note: No scale calibration is required for the multi-dial.


1.Detection of deteriorated filters
2.Substitute for a flowmeter
3.Detection of fluctuations of flow path resistance

Standard Specifications

  • Regulating screw rotating speed: Multi dial: 10 turns (Overscale possible)
  • Needle valve: Approx. 12 turns
  • Multi dial scale: 3-digit setting (000-999)
  • Multi dial type :
    • A: Standard multi-dial
    • B: Round multi-dial
  • Fluids: Gases and liquids
  • Connection end : Rc1/4; Rc1/8 (Optional)
  • Rated flow ranges: See Table of Rated Flow Ranges for Model 2412

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