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Graver Technologies’ specialty mixed bed resin, Gravex GC-3-1 SC

Stator cooling water is one of the most critical systems in a power generating plant. The copper stator bars are cooled in this closed loop system to prevent overheating and reduced generator performance.

A mixed bed ion exchange polisher continuously treats the recycling water to remove ionic contaminants while providing some filtration of particulates, generally copper oxides.Graver Technologies has the optimum mixed bed product, Gravex GC-3-1 SC, for your stator cooling system.

Features

  • Premium grade mixed bed ion exchange polishing resin
  • High capacity strong acid cation and strong base anion components for longest possible run
  • Only mixed bed product that meets General Electric’s stringent requirements for stator cooling mixed beds, GE spec A50A306, Rev. S-8
  • Specially packaged in durable polyethylene-lined one cubic foot fiber drums

Properties and specifications


Resin Type
Strongly Acidic Cation Exchange Resin
Strongly Basic Anion Exchange Resin
FunctionalitySulfonic Acid
Quaternary Ammonium
Matrix Styrene-Divinylbenzene
Cation: Anion Ratio1:1 Equivalents
Total Exchange Capacity 1.90 meq/mL (Cation H Form) (min)
1.25 meq/mL (Anion OH Form) (min)
Percent of Sites 98% Hydrogen (min)
95% Hydroxide (min)
Water Retention Capacity45 – 51% (Cation H Form)
42 – 49% (Anion Cl Form)
Whole Bead 99.5% (min)
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SOUTH AFRICAN FILTERS
DOSING PUMPS
FILTERS AND ION EXCHANGE RESINS
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DOSING PUMPS
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Germ Africa

The company traces its roots back to Germ Oils of the UK, and commenced business in South Africa in 1905. The company was incorporated in South Africa as a public company in 1938, with the parent company, Germ Oils of the UK, as its major shareholder. In the late 1960’s the company in South Africa was sold to the local management following a take-over of the parent company in the UK.

Today, Germ Africa (Pty) Ltd manufactures and trades in sectors mainly incorporating

  • Filtration
  • Metering/Dosing Pumps
  • Ion Exchange Resins
  • Industrial Lubricants