Mixed Metal Oxide Activated Titanium Anode For Impressed
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Mixed Metal Oxide Activated Titanium Anode For Impressed Current Cathodic Protection Hitech Engineering Materials and Systems Ltd
MMO Titanium Anodes
| | | Hitech EMS Ltd has available Ru-Ti-Ir, Ru-Ti-Sn and Ir-Ta Activated Titanium Anodes for Impressed Current Cathodic Protection. Shapes available include wire, ribbon, plate, solid rod, tube, mesh and canistered. Successfully produced since 1992 the production plant has customers throughout China, the USA, Europe, the Middle East and Asia
2001 Tube Spain S. E. T. A. . ARGOS. A 2002 Ribbon, Tube, UK Cathelco Ltd Sheet Spain S. E. T. A. . ARGOS. Germany SCA UK Cathelco Ltd Korea Wilson Walton Korea Ltd Italy A. G. E Corrpro USA 2003 Tube, Mesh, Sheet, Canister Corrpro USA 2004 UK Cathelco Ltd Ribbon, Tube, Korea Wilson Walton Korea Ltd Mesh, Sheet, Italy A. G. E Rod, Spain S. E. T. A. . ARGOS. A UK Cathelco Ltd Korea Wilson Walton Korea Ltd America Corrpro Spain S. E. T. A. . ARGOS. A Kuwait HOV UK B. A. C 2005 Wire, Ribbon, Tube, Mesh, Sheet, Rod, Canister Recent Client List Italy A. G. E
Mixed metal oxides are formed on the titanium substrate through a process of thermal decomposition creating an oxide coating of the platinum group of metals. These oxide coatings have many superior electrochemical properties such as near metal conductivity and extremely low consumption rates. Coating Summary
The titanium substrate usually specified is either commercially pure titanium Grade TA 1 or TA 2 An equivalency chart comparing the Chinese National Standard (GB 362094) with the ASTM standard follows: Material
Element Ti, max N, max C, max H, max Fe, max O, max Residual, max each total Gr 1 balance 0. 03 0. 08 0. 015 0. 20 0. 18 0. 1 0. 4 Gr 2 balance 0. 03 0. 08 0. 015 0. 30 0. 25 0. 1 0. 4 TA 1 balance 0. 03 0. 10 0. 015 0. 20 0. 1 0. 4 TA 2 balance 0. 05 0. 10 0. 015 0. 30 0. 25 0. 1 0. 4 ASTM GB (China) Equivalency Chart
Type 1 2 Coating Element Ir. O 2 -Ru. O 2 Ti. O 2 -X Ir. O 2 -Ta. O 5 -X Application Suitable for use in sea water where Cl 2 is the principal anode product. Suitable for use in soil, backfill, fresh water and sea water where O 2, Cl 2 or a combination of both are discharged at the anode. Coating Types
| | | | Wire Ribbon Rod Tube Mesh Sheet Canister Due to the ductility of the titanium substrate, a wide range of anode shapes suitable to the structure to be protected are possible. Anode Forms
Quality assurance and control procedures are applied strictly at all stages of production. | Raw material specification | Surface preparation | Coating application | Coating distribution and coating adhesion | Anode/cable contact resistance | Each assembled anode is Helium leak tested Quality Assurance
| | | Lightweight MMO coatings demonstrate very high chemical stability even in environments with very low p. H values. The coating is not affected by the generation of chlorine. Wear rate of the anode is extremely low and uniform and between 1 and 6 milligrams/ampere -year. Anode dimensions remain nearly constant during the design life of the anode. Operated at high current density e. g. 2000 A/m 2. A superior electrically-conductive performance: 10 -7Ω·m Advantages of MMO Titanium Anodes
Mixed Metal Oxide(MMO) Coated species
Wire Anode Titanium Substrate | Pure titanium wire meets ASTM standard B 348 grade 1 or grade 2. | Copper cored titanium wire according to customer’s requests.
Titanium Copper Diameter Tolerance (mm) Thickness Diameter (mm) Surface Area (m 2) Weight ( g/m ) 1. 5 +0. 15 -0. 00 0. 2 1. 1 0. 0047 12. 2 3. 0 +0. 28 -0. 00 0. 2 2. 6 0. 0094 66. 4 Wire Anode Parameters
| The coating used on wire is suitable for most cathodic protection applications, but output varies with application. Wire Anode Coating
| | | | Canistered anodes Continuous horizontal ground bed Discontinuous vertical ground bed Above ground storage tanks Underground storage tanks Electrical cable shielding Water storage tanks Water treatment equipment Wire Anode Application
| | | The wire diameter remains nearly constant during the life of the anode Inherently stable and resilient, the titanium wire anode is easy to install The high current density capacity has the added advantage of allowing high current overloads for initial polarization without causing harm to the anode Wire Anode Features
Ribbon Anode Titanium Substrate: The titanium ribbon meets ASTM standard B 265 grade 1 or grade 2 Anode Coating: The coating used on ribbon is Ir. O 2 Ta 2 O 5 -X
Width mm Thickness mm Length mm Weight g/m Surface Area m 2 6. 35 0. 635 152 18. 15 0. 014 12. 7 0. 635 152 36. 29 0. 120 Ribbon Anode Parameters
| Fine Ribbon Anode sand environments | Working environment evolution of O 2 , Cl 2 or a combination of both | Usually used for above ground storage tanks bottoms and reinforced concrete structures Applications
| | Ribbon Anode | | Can be supplied in grid or ladder form Easy to cut and suit for all sizes of storage tank bottoms Uniform current distribution Simple installation Superior performance and a strong bond to the concrete when used in reinforced concrete application The design lifetime can be adjusted by varying the ribbon anode spacing Features
Solid Rod Anode Titanium Substrate: The solid titanium rod meets ASTM standard B 348 grade 1 or grade 2 Anode Coating: The coating type can be defined according to the specific environment in which the anode operates but output varies with application
Diameter (mm) 3. 2 Length (mm) 1000 Weight (kg) 0. 036 Surface Area (m 2) 0. 01 6. 4 1000 0. 145 0. 02 12. 7 1000 0. 570 0. 04 19 1000 1. 275 0. 06 Rod Anode Parameters
| Rod Anode | | | Water condenser boxes Heat-exchangers Ground bed applications High current output Constant electrical resistance The added advantage of allowing high current overloads for initial polarization without causing harm to the anode Also available as rod anode assemblies Applications Features
Titanium Substrate : Expanded titanium mesh meets ASTM standard B 265 grade 1 or grade 2 Anode Coating: Selection of the specific anode coating is based on the operating environment Expanded Mesh Anode
Width Length Thickness (mm) Mesh size (mm) Weight (g) Surface Area (m 2) 32. 5 1220 1 12. 5× 4. 5 178 0. 0818 20 1000 1 12. 5× 4. 5 90 0. 0420 Expanded Mesh Anode Parameters
| | | Canistered mesh anodes have been designed to replace the massive silicon iron anodes in horizontal and shallow vertical ground beds Reinforcing steel in concrete Bridge piers and surfaces Parking garages Causeways for preventing or controlling floods Docks Expanded Mesh Anode Applications
| Lightweight and unbreakable | Canistered mesh anodes can be supplied as singles or in strings | Lower cost than silicon iron | Lower shipping cost due to lower weight Expanded Mesh Anode Features
Titanium Substrate: Titanium tube meets ASTM standard B 338 grade 1 or grade 2. Anode Coating : Selection of the anode coating is based on operating environment. Tubular Anode
Outer Length Thickness Weight Diameter (mm) (kg) Surface Area (m 2) 19 1200 1. 0 0. 305 0. 072 25 500 1. 5 0. 249 0. 039 25 1000 1. 5 0. 498 0. 079 25 1200 1. 5 0. 598 0. 094 25 1500 1. 5 0747 0. 118 31 1200 2. 0 1. 020 0. 121 Tubular Anode Parameters
| | | Tubular anodes can be supplied as singles or in strings. Suitable for all natural environments e. g. soil, fresh water, sea water, mud. The current output depends on the anode dimensions, substrate, applications and design lifetime. Tubular Anode Applications
| | | High current output and low anode/earth electrical resistance. Tubular anodes offer savings of 1535% over competitive anodes on an installed cost basis. Anode-cable assemblies are easy to handle, transport and install because of their unique flexibility. Tubular Anode Features
Canistered anodes made in wire, tube or mesh are the perfect impressed current anode for shallow vertical and horizontal surface ground beds as well as wet , marshy soil conditions where caving is likely to occur. Ideal for protecting structures such as underground storage tanks, above ground storage tanks, pipelines. Mixed Metal Oxide Activated Canistered Anode
Canistered Anode
Canistered Mesh Anode
Canistered Tubular Anode
| | | | Lightweight and unbreakable Can be supplied as singles or in strings Anode cable connection completely resin encapsulated All anode/cable connections helium leak tested to ensure a perfect seal Anode/cable connections factory sealed with resin Anode/cable resistance less than 0. 001 ohms 20 years life with standard coating loading Tubular anode centre or end connector giving a resistance of less than 0. 001 ohms Advantages of Canister anodes
MMO Anode Images
Half Tube Anode
Ribbon Anode
Disc Anode
Tube anode assembly
Mesh Anode
Flute Anode
Wire Anode
U Shaped Anode
Solid Rod Anode Assembly
Tubular Anode Strings
Epoxy Seal
Hitech Engineering Materials and Systems Ltd Tudor House Mews, Westgate, Grantham, NG 31 6 LU, UK
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