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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