Jual VEMMTECH IGTM Gas Turbine Meter DN 80 G 250

Spesifikasi Produk :

Sizes, Flow Rate and Flanges
       The available nominal diameter of the IGTM gas turbine
meter ranges from 50 mm (2″) to 400 mm (16″). Other
sizes are available on request.
        The IGTM can be delivered with G rates ranging from G40
to G4000, which means that IGTMs are available for flow
rates from 10 m3/h to 10 000 m3/h.
        The relationship between G value and flow rate for each
diameter is shown in table 3 on the last page of this brochure.
        Carbon steel or stainless steel IGTMs can be manufactured
either with ANSI flanges or with DIN flanges in the ranges:
ANSI 150RF – ANSI 600RF
PN 10 – PN 100
        Ductile Iron (EN-GJS-400-18-LT; GGG 40) meter bodies are
available in diameters from 50 mm (2″) to 200 mm (8″) and
pressure class PN10 – PN16 and ANSI 125RF – ANSI 150RF.
Accuracy
         Standard accuracy limits for CT-models are in accordance
with the EC directives and many foreign regulations:
± 1% for 0.2 Qmax to Qmax
± 2% for Qmin to 0.2 Qmax
         As an option for the CT model the accuracy limits can be
improved to:
± 0.5% for 0.2 Qmax to Qmax
± 1% for Qmin to 0.2 Qmax
         These limits are valid for the meter performance in ambient
air. Usually, the performance is better at high-pressure applications.
         On request we can offer meters according to your accuracy
specification.
The repeatability of the vemm tec IGTM is better than 0.1%
Approvals
         The IGTM is specifically designed in accordance with all
relevant and published standards, like EC directives, EN
12261, AGA 7, ISO 9951, OIML R6, R32, and R137-1.
Many national standards and laws are based on the above.
         The IGTM-CT meter is approved for custody transfer in all
EC (European Community) countries. Metrological approvals
are also obtained in Brazil, Bulgaria, Hungary, Czech
Republic, Romania, Algeria, Malaysia and China, others are
in process.
Material of Construction
         The materials of construction are listed in the table below.
Part & Material
Housing : Ductile Iron (EN-GJS-400-18-LT)
Carbon Steel (Cast or Welded)
Stainless Steel (on request)
Straightening Vane : Aluminium
Turbine Wheel : Aluminium
Metering Insert : Aluminium
Bearing Block : Aluminium
Bearings : Stainless Steel
Shafts : Stainless Steel
Gears : Stainless Steel or Synthetic Material
Magnetic Coupling : Stainless Steel
Index Head : Aluminium
SPECIFICATIONS
Nominal diameter : DN 80
(mm)/(inch) (3″)
Size Rating (G) : G 250
Qmax [m3/h] : 400
Qmin (standard flow range) : 20
[m3/h]
Roating Speed Turbine wheel : 8900
 Qmax [min  6  1]
Turbine Wheel
Blade angle : 30
Number of blades : 16
Max.frequency HF1/HF2 : 2600
approx .[Hz]
Max.frequency HF3/HF4 : 70
approx .[Hz]
Max.frequency 1R1 Reed [Hz] : 0,011
K-factor (HF1/HF2 approx. : 23500
[Imp/m³])
K-factor (HF3/HF4 approx. : 670
[Imp/m³])
K-factor (1R1 Reed [Imp/m³]) : 1
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