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18mm Diameter 350mm Length Compact Combo Magnesium Anode Rod for Point-of-Use Heater Protection
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | OEM |
| Certification: | ISO 9001:2015, ASTM B843 |
| Model Number: | HB-MGC18-350 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pieces |
|---|---|
| Price: | USD 5.50-9.80 / Piece |
| Packaging Details: | OEM branded color box with VCI moisture-resistant poly-bag, export-grade corrugated master carton |
| Delivery Time: | 5 working days for stock, 15-25 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 50000 Pieces per Month |
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Detail Information |
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| Model: | HB-MGC18-350 | Material: | Magnesium Alloy AZ63 |
|---|---|---|---|
| Rod Diameter: | Φ18mm | Rod Length: | 350mm |
| Thread Specification: | 3/4" NPT | Rod Type: | Compact Combo |
| Target Application: | Point-of-Use Heater | Core Wire Material: | Galvanized Steel |
| Alloy Standard: | ASTM B843 / GB/T 17731 | Place Of Origin: | Hunan, China |
| Highlight: | Magnesium Anode Rod Replacement,18mm Magnesium Sacrificial Anode,Magnesium Anode Rod Nipple Combo |
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Product Description
18mm Magnesium Alloy Compact Combo Anode Rod 3/4 NPT 350mm Mini Protection for Point-of-Use Heater
The HB-MGC18-350 Magnesium Alloy AZ63 compact combo anode rod is engineered for superior cathodic protection in point-of-Use heater applications. This anode rod provides long-lasting corrosion prevention by sacrificially protecting the tank interior, heating elements, and internal components from galvanic corrosion, extending equipment service life significantly.
Key Features
- High-purity magnesium alloy AZ63 for standard water heating applications
- Continuous cast steel core for uniform current distribution
- Low electrical resistivity below 0.3Ω·m for efficient protection
- Corrosion rate controlled below 0.5mm/year in typical water conditions
- Open circuit potential -1.55V provides robust driving voltage
Technical Specifications
| Model Number | HB-MGC18-350 |
|---|---|
| Material | Magnesium Alloy AZ63 |
| Chemical Composition | Mg ≥ 93%, Al 5.5-7.0%, Zn 2.5-3.5%, Mn ≥ 0.2%, Fe ≤ 0.003% |
| Rod Diameter | Φ18mm |
| Rod Length | 350mm |
| Thread Size | 3/4" NPT |
| Core Material | Galvanized Steel Wire |
| Open Circuit Potential | -1.50 to -1.55V (vs. Cu/CuSO4) |
| Current Efficiency | ≥ 60% |
| Current Capacity | ≥ 1200 Ah/kg |
| Rod Type | Compact Combo |
| Application | Point-of-Use Heater |
Recommended Applications
- Residential electric and gas water heaters
- Commercial and industrial hot water storage tanks
- Boiler feed water tanks and condensate return systems
- Heat exchanger and condenser water circuits
- Solar thermal water heating systems
Packaging & Branding
Available under HB Brand in custom color-box packaging or OEM neutral packaging with your logo and specifications. Each rod is individually sealed in moisture-resistant VCI poly-bag to prevent oxidation during storage and transit.
Quality Assurance
Every HB-MGC18-350 anode rod undergoes spectrographic alloy composition analysis, electrochemical performance testing (ASTM G97), dimensional inspection, thread gauge verification per ANSI/ASME B1.20.1, and visual inspection for surface defects and casting integrity.
Why Choose HB Anode Rods?
HB is a trusted manufacturer based in Hunan, China, specializing in sacrificial anode production for over 15 years. Our vertically integrated facility ensures complete quality control from raw material smelting to finished product packaging. ISO 9001:2015 certified processes and rigorous batch testing guarantee consistent, reliable performance in every anode rod we ship.
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