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  • Kofloc Flowmeter With Precision Needle Valve Model RK1250 Series

    Flowmeter with Precision Needle Valve ( for Accurate Flow  Control)
    MODEL RK1250 SERIES


    Model RK1250 Series Flowmeter is a completely renewed model of existing KOFLOC RK1200,designed as a flowmeter that can be integrated into the customer's equipment.A happy combination of a grade high precision float type flowmeter with a needle valve capable of very accurate flow control provides a flowmeter ideal for measurement and control of trace flows.

    Features
    - Capable of controlling ultra-minute flows
      Can respond to a wide range of flows from ultra-minute flows of 0.5-3 ml/min to flows of 3-30 l/min.
    - The incorporated precision needle valve allows a delicate control of flows.
      The effective revolving speed of the needle valve can be maximized by specifying a maximum flow and  normal supply pressure.
    - Wide variations
      Four total lengths of the flowmeter are available:126,156,206,and 256 mm,for your selection according to  your needs.
    - Two types of valve arrangement 
      The needle valve can be laid out either at the top or at the bottom of the meter.Choose the type that best suits your needs.
    - Measurement and control of water flows also possible
      Measurement and control of water flows not exceeding 1l/min are also possible.


    Applications

    - For integration into your equipment panel

    - For gas devices to be used on the semiconductor manufac-turing site

    - For biotechnology industries

    - For vacuum line control

    Standard Specifications

    - Fluids : 
    *Gases : Air, N2, O2, H2, He, Ar, and CO2 (Calibration by actual gas) For other gases, consultation is necessary regarding whether     conversion conditions or calibration by actual gas is to be used. * Optional: Scale indicating two types of fluids
    *Liquids : Standard fluid: Water For other liquids, consultation is necessary regarding whether conversion conditions or calibration by actual liquid is to be used.
    - Flow range :
      *Gases : 0.5-5 ML/MIN to 3-30 L/MIN (See the Capacity Table below.) Optional: 0.5-3 ML/MIN
      *Liquids : 0.5-5 ML/MIN to 0.1-1 L/MIN (See the Capacity Table below.) Optional: 0.5-3 ML/MIN



    - Accuracy : 
      *FS±2% (Measurement point) * Optional: FS±1% (Measurement point) 
      *FS±2% (Measurement point)

    - Proof pressure : 
      *Gases : 1.0 MPa for 100 ML/MIN or less ; 0.7 MPa for 5 L/MIN or less ; 0.5 MPa for 10 L/MIN or more 
      *Liquids : 1.0 MPa for 5 ML/MIN or less ; 0.7 MPa for 150 ML/MIN or less ; 0.5 MPa for 200 ML/MIN or more

    - Available scale : 10:1 * Optional: 20:1

    - Body block and some other components  : *SS : SUS316
                                                                        *BS : Brass

    - Tapered tube : *SS & BS : Pyrex®, glass

    - Packing : *SS : FKM 
                     *BS : NBR

    - Float : * SS & BS : Pyrex, SUS316, glass

    - Protective cover : * SS & BS : Acrylic resin

    - (Temperature resistance) : * SS & BS : MAX60°

    - Connection :*SS & BS : Rc1/4(Standard); Rc1/8(Optional)
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