The Cathodic Protection Accessories manufacture!
Shandong Ensure Anti-Corrosion Engineering Co., Ltd is located in Linyi City, Shandong Province, China. It is a new coastal logistics city with the most favorable sea, land and air costs. Ensure Anti-Corrosion Company is specialized in cathodic protection materials production, import and export sales, program design, engineering construction, technical consulting as one of the new enterprises.
Why Choose Us
Professional Team
We have the core technology of anode production, production scale and cathodic protection engineering foreign trade service team, focusing on providing services for foreign customers, is an honest and reliable supplier and manufacturer of oil, gas and offshore engineering industry.
Our Certificates
Products comply with ISO26202, ASTM B843, ASTM G97, AS2239, MIL-A-24779, MIL-A-18001K and other international standards.
Professional Solution
With rich experience and one-to-one service, we can help you choose products and answer technical questions.
Our company provides the following products
Reference Electrodes
Reference electrodes are used to measure the polarization potential of cathodic protected structures. They shall be kept in contact with the same electrolyte (soil or water) surrounding the structures, and the voltage that rises between the structure and the lead cable of the electrode, measured with a high-impedance voltmeter, gives an indication of the effectiveness of cathodic protection.
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No. |
Dia |
Length |
Potentia Stability |
Insulation Resistance |
Temp |
Lifetime |
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CSE-1 |
32mm (1.26") |
150mm (5.9") |
±5mv |
>1mΩ |
0-55℃ |
30a |
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CSE-3 |
200mm (7.9") |
300mm (11.8") |
±5mv |
>1mΩ |
0-55℃ |
30a |
Types of Reference Electrodes
Aqueous Reference Electrodes
Aqueous reference electrodes are commonly used in aqueous solutions and are relatively inexpensive. They are made of a silver or silver chloride wire coated with a layer of silver chloride and immersed in an electrolyte solution. The most common aqueous reference electrodes used include the Standard Hydrogen Electrode, Normal Hydrogen Electrode, Saturated Calomel Electrode, Reversible Hydrogen Electrode, Silver Chloride Electrode, Copper-Copper Sulfate Electrode, PH Electrode, Dynamic Hydrogen Electrode, and Palladium-Hydrogen Electrode.
Calomel Reference Electrodes
Calomel reference electrodes are widely used in various industries due to their high stability and reproducibility. They consist of a mercury-mercurous chloride electrode immersed in a potassium chloride solution. Calomel electrodes are very stable. However, they contain mercury which makes them unsuitable for use in certain applications such as food, beverage, or environmental studies. Their disposal must also be carefully controlled due to the environmental implications.
Non-Aqueous Reference Electrodes
Non-aqueous reference electrodes, such as those used in organic solvents, are more complex, with a variety of designs and materials. They are used in situations where aqueous or calomel reference electrodes are not suitable. The most common non-aqueous reference electrode used is the quasi-reference electrode, which is made fresh for any given experiment. This reduces the problems that come with poor storage and maintenance. They are cheaper than other types of reference electrodes.
Selection Criteria for Reference Electrodes
The reference electrode must be compatible with the sample to avoid any chemical interactions that could affect the measurement. For instance, certain chemicals can degrade the body material of the electrode. it is essential to choose the correct material, such as glass, epoxy, or other specialized materials, to suit the application.
Stability is a critical factor in selecting a reference electrode. The electrode must provide a constant and defined potential to ensure accurate measurements. Most reference electrodes are combination electrodes, combining a stable reference and a working cell (half-cell) in one probe.in some applications, it may be more practical to use separate sensing and reference electrodes, especially if the different parts of the electrode are expected to have different lifespans.
The response time of a reference electrode is another important consideration. A fast response time ensures efficiency in the analytical process. Slow or erratic response times can lead to inaccurate measurements and prolonged analysis times.
Temperature plays a significant role in the performance of reference electrodes. the saturated calomel electrode (SCE) has a limited temperature range of up to 50°C. If the application requires use at higher temperatures, an alternative electrode must be selected. It is essential to choose an electrode that can maintain stability and accuracy across the required temperature range.
The chemical composition of the sample is a crucial factor in selecting a reference electrode. Certain chemicals can degrade the body material of the electrode, leading to inaccurate measurements and potential damage to the electrode. It is important to choose an electrode with a body material that is resistant to the specific chemicals present in the sample. Common materials include glass, epoxy, and other specialized materials designed to withstand specific chemical environments.
Cathodic Protection Junction Boxes
Junction boxes are used to connect all the equipment in a cathodic protection system and provide a means for easy inspection of individual anode currents. Choose from sheet steel, stainless steel, aluminium, glass reinforced plastic (GRP) and plastic, we can provide a range of junction boxes for all types of application.
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Chassis |
Galvanized steel, painted steel, stainless steel, cast aluminum, glass fiber, non-metal, etc. |
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Chassis Protection Level |
IP55～IP68 optional |
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Size |
300x200x150mm, 400x300x150mm 500x400x150mm, 600x400x150mm 700x600x150mm, 800x600x150mm Various sizes can be customized |
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Box Color |
RAL 7035 |
Stainless Steel Natural Color |
Other |
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Inner Terminals |
Brass Terminals and Nuts |
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In line mode |
Conduit or cable gland |
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Nameplate |
Stainless steel, including manufacturer, production date, equipment material, equipment name, protection level, etc. |
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Lifespan |
Continuous service life not less than 20 years under normal operating conditions |
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Types of Junction Boxes
Anode Junction Box (AJB)
This type connects anode cables together and to the system's output cable.
Cathode Junction Box (CJB)
This box connects structure cables together and to the system's input cable.
Combined Junction Box (ACJB)
This combines the functionalities of both AJB and CJB in a single unit.
Current Control Box (CCB)
This box regulates the current output from the CP system to the protected structure.
Cathodic Bond Junction Box (CBB)
This type connects pipelines or other metallic structures to reduce galvanic corrosion.
Resistor Junction Box (RBB)
This box connects a resistor between the structure cable and ground.
FAQ
As one of the most professional cathodic protection accessories enterprises in China, we're featured by quality products and good price. Please rest assured to buy high-grade cathodic protection accessories in stock here from our factory. Contact us for customized service.
Cathodic Protection Test Stations, cathodic protection accessories, Cathodic Protection Junction Boxes