Vortex Flow Meter: Definisi, Fungsi, Jenis dan Spesifikasinya
VORTEX FLOW METER: DEFINISI, FUNGSI, JENIS DAN SPESIFIKASINYA
1. 0 PENGERTIAN
Vortex Flow Meter bekerja berdasarkan prisnip karman yang berputar dihasilakan oleh media yang mengalir dalam pipa. Vortex Flowmeter banyak di gunakan untuk gas, steam, dan aplikasi cair. Vortex Flowmeter ini sangat ideal untuk measuring saturated dan superheated.
1.1 APLIKASI
Vortex Flowmeter ini bisa di gunakan untuk media : saturated steam, superheated steam, compressed air, nitrogen, liquefied gas, carbon dioxide, demineralized water, solvent, heat transfer oil, boiler, feedwater, condensate dan lain-lain.
1.2 FITUR
• Pressure and temp compensation
• 4-20 mA, pulse with HART or pulse with RS485 are selectable
• Temperature range up to highest temperature 350oC
• Japan OVAL technology design
• All Body SS304 ( SS316 Selectable )
1.3 Jenis Vortex Flowmeter
Vortex Flowmeter terbagi menjadi dua tipe yaitu Tipe Integral dan Tipe Remote, Di Bawah ini adalah contoh tipe integral ( Compact Type ) dan tipe remote Vortex Flowmeter mempunyai berbagai macan tipe, yaitu :
• Flange Connection
• Water Connection
• Tri-clamp Connection
• Thread Connection
• Insertion Type
1.4 SPESIFIKASI
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Measured Medium |
Liqud, Gas, Steam |
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Medium Temp. |
-40 ~ 250oC ; -40 ~ 350oC (high temperature type) |
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Pressure |
FLANGE |
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Wafer |
4.0MPa |
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Thread |
1.6MPa |
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Tri-Clamp |
1.6MPa |
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Insertion |
1.6MPa |
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Accuracy |
±1.0%
(Flange/Wafer/Thread/Tri-clamp) ±1.5%
(Insertion type) |
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Flow Range |
Liquid:0.4-7.0m/s;
Gas:4.0-60.0m/s;
Steam:5.0-70.0m/s |
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Spesifications |
DN15-DN300
(flange/wafer type) DN80-DN2000
(insertion type) DN15-DN100
(thread/sanitary type) |
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Body Material |
SS304
(standard) SS316
(optional) |
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Reynolds Number |
Normal 2x104 ~7x106 |
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Resistance Coeffiecient |
Cd<2.6 |
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Vibration Acceleration Allowed |
<0.2g |
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IEP ATEX |
IIG Exia IICT5
Ga |
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Ambient Condition |
Ambient Temp |
-40oC~65oC (Non ex-proof site) -20oC ~55oC (Ex-proof site) |
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Relative
Humidity |
<85% |
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Pressure |
86-106kPa |
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Power Supply |
DC12-30V or
3.6V lithium battery powered |
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Signal Output |
4-20mA, Pulse |
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Communication |
RS485 Modbus,
For HART Com Selectable |
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1.5 DIMENSI
Flange Connection Type ( DIN PN16 as Reference )
| Size | L | H | d | D1 | D2 | n-D3 |
| DN15 | 170 | 440 | 15 | 65 | 95 | 4-φ14 |
| DN20 | 170 | 445 | 20 | 75 | 105 | 4-φ14 |
| DN25 | 170 | 450 | 26 | 85 | 115 | 4-φ14 |
| DN32 | 170 | 462 | 32 | 100 | 140 | 4-φ18 |
| DN40 | 190 | 465 | 38 | 110 | 150 | 4-φ18 |
| DN50 | 190 | 473 | 48 | 125 | 165 | 4-φ18 |
| DN65 | 220 | 487 | 62 | 145 | 185 | 4-φ18 |
| DN80 | 220 | 500 | 73 | 160 | 200 | 4-φ18 |
| DN100 | 240 | 533 | 95 | 180 | 220 | 4-φ18 |
| DN125 | 260 | 560 | 118 | 210 | 250 | 4-φ18 |
| DN150 | 280 | 608 | 140 | 240 | 285 | 8-φ22 |
| DN200 | 300 | 640 | 200 | 295 | 340 | 12-φ22 |
| DN250 | 360 | 705 | 250 | 355 | 405 | 12-φ26 |
| DN300 | 400 | 752 | 300 | 410 | 460 | 12-φ26 |
Noted: Above dimension as per flange DIN PN16.
1.6 Vortex Flowmeter Instalation
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