GF Signet 2551 Magmeter

Corrosion resistant insertion magmeter with optional display, accurate measurement even in dirty liquids.

The GF Signet 2551 Magmeter is an innovative insertion-style magnetic flow sensor designed without any moving parts, ensuring high reliability and minimal maintenance. Its patented sensor technology is crafted from durable, corrosion-resistant materials for extended service life. Choose from material options like PP with stainless steel, PVDF with Hastelloy-C, or PVDF with Titanium to suit your specific environmental needs.

This magmeter simplifies installation with Signet’s comprehensive range of fittings, which automatically adjust sensor alignment and insertion depth. Ideal for a broad spectrum of applications, the Signet 2551 delivers precise flow measurements across a wide dynamic range, compatible with pipe diameters from DN15 to DN900 (½ inch to 36 inches). This versatility makes it an excellent choice for various industrial settings where accuracy and longevity are paramount.

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GF Signet Model 2551

Key Features of GF Signet 2551 Magmeter

  • Certification: Includes test certificates for models -X0 and -X1
  • Innovative Technology: Utilizes patented Magnetic Flowmeter (Magmeter) technology
  • Durability: Features no moving parts, enhancing longevity and reliability
  • Versatile Flow Measurement: Supports bi-directional flow for comprehensive monitoring
  • Safety Feature: Equipped with empty pipe detection to prevent damage and ensure accuracy
  • Scalable Installation: Fits pipe sizes from DN15 to DN900 (0.5 to 36 inches)
  • Wide Operating Range: Measures flow velocities from 0.05 to 10 m/s (0.15 to 33 ft/s)
  • Reliable in Harsh Conditions: Maintains accuracy in dirty liquids, reducing maintenance needs
  • Material Options: Comes with standard polypropylene and PVDF retaining nuts, with Valox as an option
  • Output Flexibility: Offers 4 to 20 mA, digital (S3L), frequency, and relay outputs; display-only model available
  • Efficient Design: Zero pressure drop across the meter for energy efficiency
  • Corrosion Resistance: Constructed from corrosion-resistant materials including PP or PVDF with options for SS, Hastelloy-C, or Titanium
  • User-Friendly Interface: Multi-language display menu for global usability

GF Signet 2551 Magmeter Models and Configurations

Pipe SizeMfr. Part No.CodeSensor Body
DN15 to DN100 (½ to 4 in.)3-2551-P0-11159 001 105Polypropylene and 316L SS
 3-2551-T0-11159 001 108PVDF and Titanium
 3-2551-V0-11159 001 257PVDF and Hastelloy-C
 3-2551-P0-21159 001 267Polypropylene and 316L SS
 3-2551-T0-21159 001 436PVDF and Titanium
 3-2551-V0-21159 001 437PVDF and Hastelloy-C
DN125 to DN200 (5 to 8 in.)3-2551-P1-11159 001 106Polypropylene and 316L SS
 3-2551-T1-11159 001 109PVDF and Titanium
 3-2551-V1-11159 001 258PVDF and Hastelloy-C
 3-2551-P1-21159 001 268Polypropylene and 316L SS
 3-2551-T1-21159 001 437PVDF and Titanium
 3-2551-V1-21159 001 270PVDF and Hastelloy-C
DN250 to DN900 (10 to 36 in.)3-2551-P2-11159 001 107Polypropylene and 316L SS
 3-2551-T2-11159 001 448PVDF and Titanium
 3-2551-V2-11159 001 450PVDF and Hastelloy-C
 3-2551-P2-21159 001 454Polypropylene and 316L SS
 3-2551-T2-21159 001 455PVDF and Titanium
 3-2551-V2-21159 001 456PVDF and Hastelloy-C
 3-2551-P2-41159 001 432Polypropylene and 316L SS
 3-2551-T2-41159 001 460PVDF and Titanium
 3-2551-V2-41159 001 462PVDF and Hastelloy-C

2551 Magmeter Parts List

RotorsRotor PinsO-RingsMiscellaneous

Mfr. Part No.CodeDescription
3-2536.320-1198 820 052Rotor, PVDF Black
3-2536.320-2159 000 272Rotor, PVDF Natural
3-2536.320-3159 000 273Rotor, ETFE
3-2536.322-1198 820 056Sleeved rotor, PVDF Black
3-2536.322-2198 820 057Sleeved rotor, PVDF Natural
3-2536.322-3198 820 058Sleeved rotor, ETFE
Mfr. Part No.CodeDescription
M1546-1198 801 182Pin, Titanium
M1546-2198 801 183Pin, Hastelloy-C
M1546-3198 820 014Pin, Tantalum
M1546-4198 820 015Pin, Stainless Steel
P51545198 820 016Pin, Ceramic
Mfr. Part No.CodeDescription
1220-0021198 801 186O-ring, FPM (2 required per sensor)
1224-0021198 820 006O-ring, EPR (EPDM) (2 required per sensor)
1228-0021198 820 007O-ring, FFPM (2 required per sensor)
Mfr. Part No.CodeDescription
P31536198 840 201Sensor plug, Polypropylene
3-2536.321198 820 054PVDF Natural, Rotor kit
3-8050.391159 001 703Retaining Nut Replacement Kit, NPT, Stainless Steel
3-8050.390-1159 001 702Retaining Nut Replacement Kit, NPT, Valox
3-8050.390-3159 310 116Retaining Nut Replacement Kit, NPT, PP
3-8050.390-4159 310 117Retaining Nut Replacement Kit, NPT, PVDF
3-8050.396159 000 617RC Filter kit (for relay use)
3-9000.392-1159 000 839Liquid tight connector kit, NPT (1 piece)
3-9000.392-2159 000 841Liquid tight connector kit, PG13.5 (1 piece)
7310-1024159 873 00424 VDC Power Supply, 10W, 0.42 A
7310-2024159 873 00524 VDC Power Supply, 24W, 1.0 A
7310-4024159 873 00624 VDC Power Supply, 40W, 1.7 A
7310-6024159 873 00724 VDC Power Supply, 60W, 2.5 A
7310-7024159 873 00824 VDC Power Supply, 96W, 4.0 A

The GF Signet 2551 Magmeter is used in the following applications:

  • Chemical Processing
  • Metal Finishing
  • Water and Wastewater Monitoring
  • Metal Recovery and Landfill Leachate
  • Commercial Pools, Spas, and Aquariums
  • HVAC
  • Irrigation
  • Scrubber Control
  • Neutralization Systems
  • Industrial Water Distribution

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