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MMO Anode
MMO anodes has the advantage of low consumption rate and high current capacity, the consumption rate of the MMO anode is counted only milligrams per ampere year, and also as a result of this low consumption rate, the metal dimensions remain nearly constant during the design life of the anode, therefore providing a consistently low resistance performance. So this type of anodes became widely used for the impressed current CP in groundbed and marine structures.
Yuxi manufacture all range of MMO anodes used for Cathodic Protection, including rods, tubes, ribbons, plates and meshes. The anodes are made using titanium substrates which are coated with a mixed metal oxide catalyst, the catalyst is applied by multiple thermal process to form an extremely chemical resistant bond, this MMO coating can enhance the conductive properties of the anode and while the titanium is inherently stable, therefore brings superior performance.
Anode types:
l Solid rod anode
l Tubular anode
l Ribbon anode
l Mesh anode
l Piggyback wire anode
l Plate/Disc anode
MMO anode can be used effectively in all types of environments, such as directly buried in soil, fresh water and salt water. There are two types of catalyst, one is iridium-tantalum system which typically used for soil and fresh water, and the other adding ruthenium into iridium-tantalum formulation for salt water application. The recommended current density in soil, coke breeze, fresh water is 100Amps/m2 and in salt water is 600Amps/m2.
Solid Rod Anode:
The rod anodes always assembled with junction box with a mounting thread to protect the tanks or vessels.
| Part Number | Diameter | Length |
| YX-MMO-R1 | 6mm | Up to 1500mm |
| YX-MMO-R2 | 12mm | Up to 1500mm |
| YX-MMO-R3 | 16mm | Up to 1500mm |
| YX-MMO-R4 | 20mm | Up to 1500mm |
| Customized size is available upon on request |
Tubular Anode:
Tubular type is the most common MMO anodes used in cathodic protection, the titanium hollow tubes conforms to ASTM B338 grade I standard. This type of anodes always made in strings consisting several pieces of MMO tubes used for deep well cathodic protection system. The cable type and size can be XLPE/PVC, HMWPE, Kynar/HMWPE, etc. from 6sqmm (10AWG) to 35mmsqmm (2AWG).
| Part Number | Dimension | Current Density | Current Output | Design Life |
| YX-MMO-T1 | 16mm dia. X 500mm | 100Amps/m2 | 2.5 Amps in soil | 20 Years |
| 600Amps/m2 | 15 Amps in seawater | 20 Years | ||
| YX-MMO-T2 | 16mm dia. X 1000mm | 100Amps/m2 | 5 Amps in soil | 20 Years |
| 600Amps/m2 | 30 Amps in seawater | 20 Years | ||
| YX-MMO-T3 | 19mm dia. X 500mm | 100Amps/m2 | 3 Amps in soil | 20 Years |
| 600Amps/m2 | 15 Amps in seawater | 20 Years | ||
| YX-MMO-T4 | 19mm dia. X 1000mm | 100Amps/m2 | 6 Amps in soil | 20 Years |
| 600Amps/m2 | 32.5 Amps in seawater | 20 Years | ||
| YX-MMO-T5 | 25mm dia. X 500mm | 100Amps/m2 | 4 Amps in soil | 20 Years |
| 600Amps/m2 | 23.5 Amps in seawater | 20 Years | ||
| YX-MMO-T6 | 25mm dia. X 1000mm | 100Amps/m2 | 8 Amps in soil | 20 Years |
| 600Amps/m2 | 48Amps in seawater | 20 Years | ||
| YX-MMO-T7 | 32mm dia. X 500mm | 100Amps/m2 | 5 Amps in soil | 20 Years |
| 600Amps/m2 | 30 Amps in seawater | 20 Years | ||
| YX-MMO-T8 | 32mm dia. X 1000mm | 100Amps/m2 | 20 Years | |
| 600Amps/m2 | 20 Years | |||
| YX-MMO-T9 | 32mm dia. X 1220mm | 100Amps/m2 | 20 Years | |
| 600Amps/m2 | 20 Years |
Cable Connection
String anode for deep well application:
| Anode dimension | e.g. 25mm x 1000mm |
| Application | e.g. soil |
| Number of anode | e.g. 5nos. |
| Spacing | e.g. 1000mm |
| Head cable | e.g. 15meters |
| Cable | e.g. Kynar/HMWPE |
| Centralizer | e.g. 150mm |
Canister MMO Anode:
| Anode dimension | e.g. 25mm x 1000mm |
| Application | e.g. soil |
| Head cable | e.g. 15meters |
| Cable | e.g. Kynar/HMWPE |
| Canister size | e.g. 150mm x 1500mm |
Ribbon Anode:
Yuxi’s MMO ribbon anodes are manufactured using titanium substrate which meets ASTM B265 Grade 1 Standard and coated with Mixed Metal Oxide ( Ir/Ta).
Nominal Specification:
| Width | 6.35mm |
| Thickness | 0.635mm |
| Std coil length | 152.4meters |
| Std coil weight | 2.8kgs |
| Current output in fine sand | 42mA/meter |
| Design life | 50 Years |
Titanium Conductor Bar:
| Width | 12.7mm |
| Thickness | 0.9mm |
| Std coil length | 152.4meters |
| Std coil weight | 7.8kgs |
| Substrate | ASTM B265 Grade I |
| Design life | 50 Years |
Company Profile
Ningbo Yuxi light alloy Co.,ltd was established in 2003 and we are specialized in manufacturing Magnesium/AluminumExtrusion/casting products. The range of our product line, excellent quality & service, low price over the past ten years have made us one of the leading companies of its kind in China.
It’s our principal aim to provide the highest quality of materials and integrity of services, so our customer can focus all of their efforts in the more profitable services such as design, Marketing.
Taking advantage of the advanced technology and low labor cost, YUXI is always able to provide high quality products and integrity customer services backed with the most competitive price.
Please select us as your honest and reliable partner to save your money and time.
Factory occupation 26600 square meter
Total staff 120
Management & Technical staff 27
Capacity:
- Magnesium Casting: 1,500 tons per year
- Magnesium Extrusion: 1,200 tons per year
- Aluminum & Zinc casting: 2,000 tons per year
- Aluminum & Zinc extrusion: 1,500 tons per year
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