GF Signet 2551 Magmeter Electromagnetic Flow Meter
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The GF Signet 2551 Magmeter Electromagnetic Flow Meter by Georg Fischer offers precise flow measurement with no moving parts, ideal for pipe sizes from DN15 to DN900 (½ to 36 in.). Featuring corrosion-resistant materials like polypropylene and PVDF, this insertion-style flow meter ensures long-term reliability for water treatment, chemical processing, and industrial applications. Request a quote today!
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OVERVIEW
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SPECIFICATIONS
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MODEL NUMBERS
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REPLACEMENT PARTS
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DOCUMENTS
Manufacturer: Georg Fischer (GF Signet)
Product Type: Insertion-Style Electromagnetic Flow Meter
Applications: Water treatment, chemical processing, HVAC systems, wastewater management, industrial flow monitoring
Max Flow Range: 0.05 to 10 m/s (0.15 to 33 ft/s)
Design Features:
- No moving parts for minimal maintenance
- Corrosion-resistant options: Polypropylene/316L SS, PVDF/Titanium, PVDF/Hastelloy-C
- Automatic sensor alignment with GF Signet fittings
- Output options: 4-20 mA, frequency, or digital (S³L)
Pipe Size Range: DN15 to DN900 (½ to 36 in.)
Linearity: ±1% reading + 0.1% full scale
Repeatability: ±0.5% reading @ 25°C (77°F)
Minimum Conductivity: 20 µS/cm
Wetted Materials:
- Sensor Body/Electrodes: Polypropylene/316L SS, PVDF/Titanium, PVDF/Hastelloy-C
- O-rings: FPM (standard), EPR (EPDM), FFPM (optional)
Power Requirements:
- 4-20 mA: 24 VDC ±10%, 22.1 mA max
- Frequency: 5-24 VDC ±10%, 15 mA max
- Digital (S³L): 5-6.5 VDC, 15 mA max
Protection Rating: NEMA 4X/IP65
| Pipe Size | Mfr. Part No. | Code | Sensor Body |
|---|---|---|---|
| DN15 to DN100 (½ to 4 in.) | 3-2551-P0-11 | 159 001 105 | Polypropylene and 316L SS |
| 3-2551-T0-11 | 159 001 108 | PVDF and Titanium | |
| 3-2551-V0-11 | 159 001 257 | PVDF and Hastelloy-C | |
| 3-2551-P0-21 | 159 001 267 | Polypropylene and 316L SS | |
| 3-2551-T0-21 | 159 001 436 | PVDF and Titanium | |
| 3-2551-V0-21 | 159 001 437 | PVDF and Hastelloy-C | |
| DN125 to DN200 (5 to 8 in.) | 3-2551-P1-11 | 159 001 106 | Polypropylene and 316L SS |
| 3-2551-T1-11 | 159 001 109 | PVDF and Titanium | |
| 3-2551-V1-11 | 159 001 258 | PVDF and Hastelloy-C | |
| 3-2551-P1-21 | 159 001 268 | Polypropylene and 316L SS | |
| 3-2551-T1-21 | 159 001 437 | PVDF and Titanium | |
| 3-2551-V1-21 | 159 001 270 | PVDF and Hastelloy-C | |
| DN250 to DN900 (10 to 36 in.) | 3-2551-P2-11 | 159 001 107 | Polypropylene and 316L SS |
| 3-2551-T2-11 | 159 001 448 | PVDF and Titanium | |
| 3-2551-V2-11 | 159 001 450 | PVDF and Hastelloy-C | |
| 3-2551-P2-21 | 159 001 454 | Polypropylene and 316L SS | |
| 3-2551-T2-21 | 159 001 455 | PVDF and Titanium | |
| 3-2551-V2-21 | 159 001 456 | PVDF and Hastelloy-C | |
| 3-2551-P2-41 | 159 001 432 | Polypropylene and 316L SS | |
| 3-2551-T2-41 | 159 001 460 | PVDF and Titanium | |
| 3-2551-V2-41 | 159 001 462 | PVDF and Hastelloy-C |
| Mfr. Part No. | Code | Description |
|---|---|---|
| 3-2536.320-1 | 198 820 052 | Rotor, PVDF Black |
| 3-2536.320-2 | 159 000 272 | Rotor, PVDF Natural |
| 3-2536.320-3 | 159 000 273 | Rotor, ETFE |
| 3-2536.322-1 | 198 820 056 | Sleeved rotor, PVDF Black |
| 3-2536.322-2 | 198 820 057 | Sleeved rotor, PVDF Natural |
| 3-2536.322-3 | 198 820 058 | Sleeved rotor, ETFE |
| Mfr. Part No. | Code | Description |
| M1546-1 | 198 801 182 | Pin, Titanium |
| M1546-2 | 198 801 183 | Pin, Hastelloy-C |
| M1546-3 | 198 820 014 | Pin, Tantalum |
| M1546-4 | 198 820 015 | Pin, Stainless Steel |
| P51545 | 198 820 016 | Pin, Ceramic |
| Mfr. Part No. | Code | Description |
| 1220-0021 | 198 801 186 | O-ring, FPM (2 required per sensor) |
| 1224-0021 | 198 820 006 | O-ring, EPR (EPDM) (2 required per sensor) |
| 1228-0021 | 198 820 007 | O-ring, FFPM (2 required per sensor) |
| Mfr. Part No. | Code | Description |
| P31536 | 198 840 201 | Sensor plug, Polypropylene |
| 3-2536.321 | 198 820 054 | PVDF Natural, Rotor kit |
| 3-8050.391 | 159 001 703 | Retaining Nut Replacement Kit, NPT, Stainless Steel |
| 3-8050.390-1 | 159 001 702 | Retaining Nut Replacement Kit, NPT, Valox |
| 3-8050.390-3 | 159 310 116 | Retaining Nut Replacement Kit, NPT, PP |
| 3-8050.390-4 | 159 310 117 | Retaining Nut Replacement Kit, NPT, PVDF |
| 3-8050.396 | 159 000 617 | RC Filter kit (for relay use) |
| 3-9000.392-1 | 159 000 839 | Liquid tight connector kit, NPT (1 piece) |
| 3-9000.392-2 | 159 000 841 | Liquid tight connector kit, PG13.5 (1 piece) |
| 7310-1024 | 159 873 004 | 24 VDC Power Supply, 10W, 0.42 A |
| 7310-2024 | 159 873 005 | 24 VDC Power Supply, 24W, 1.0 A |
| 7310-4024 | 159 873 006 | 24 VDC Power Supply, 40W, 1.7 A |
| 7310-6024 | 159 873 007 | 24 VDC Power Supply, 60W, 2.5 A |
| 7310-7024 | 159 873 008 | 24 VDC Power Supply, 96W, 4.0 A |