SSAW 3 PE steel pipe external coating

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications

water pipeline inner-layer tape
1 Butyl rubber as adhesive
2. SGS test report and DVGW certificate
3. corrosion protection

water pipeline inner-layer tape

State-of-the-Art Pipeline Protection for All Climates & Environments

System description:

WATER PIPELINE Inner -layer tape also be called pipe wrap anti-corrosion tape, polyethylene wrap tape.

water pipeline Inner-layer tapeT100 is engineered to assure a high bond to the primed pipe surface with excellent conformability characteristics, aggressive adhesive for corrosion protection and repair of main line coatings.

Inner-layer tapeT100 series is cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Waterburied pipeline, pipe can be buried, also can be underground ,overhead ,onshore and offshore .

Structure of water pipeline inner wrap tape
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Film backing: Special blend of stabilized polyethylene

Features & Benefits

Provides a permanent bond to the primed steel pipes surface and provides protection against chemical electrolytic corrosion for underground pipelines.
long term corrosion protection
Worldwide reference lists. Established in-ground history
High chemical resistance under service temperature.
Outstanding electric property and permanent adhesion.
Cold applied, No release liner. Makes installation fast and easy.
Complies with EN-DIN 30672 and AWWAC-214 international standards and also ASTM standards.
Be used for water pipeline corrosion protection

System Properties

Type	T138	T 150		T165	T180	T 250	T265	T280
Thickness	15mil 0.38mm	20mil 0.508mm		25mil 0.635mm	30mil 0.762mm	20mil 0.508mm	25mil 0.635mm	30mil 0.762mm
Backing	9mil 0.229mm	9mil 0.241mm		10mil 0.25mm	10mil 0.25mm	15mil 0.38mm	20mil 0.508mm	25mil 0635mm
Adhesive	6mil 0.152mm	11mil 0.279mm		15mil 0.381mm	20mil 0.508mm	5mil 0.127mm	5mil 0.127mm	5mil 0.127mm
When used for ductile iron pipes inner layer 980-20 or 980-25 and outer layer 955-20 or 955-25 are recommended.
Elongation	³300%					³400%
Tensile Strength	55 N/cm					70 N/cm
Color	Black					White
Peel Adhesion to Primed Pipe			33 N/cm
Dielectric Strength			30 KV
Dielectric Breakdown			26 KV/mm
Cathodic Disbandment			0.24 in radius 6.4 mm
Water Vapor Transmission Rate			< 0.1%
Volume Resistivity			2.5 x 10¹⁵ ohm.cm
Impact resistance			5.5Nm
Penetration Resistance			<15%
Performance			AWWA C-209,ASTM D 1000,EN 12068

Order information

Length	100ft(30 M),200ft(60 M),400ft(120 M),800ft(240 M)
Width	2’’(50mm),4’’(100mm),6’’(150mm),17’(450mm),32’’(800mm)

Q: How are steel pipes used in the manufacturing of conveyor systems?: Steel pipes are commonly used in the manufacturing of conveyor systems to provide a durable and reliable structure for transporting various materials. They are typically used as the main framework for the conveyor system, supporting the conveyor belt and other components. Steel pipes are known for their strength and resistance to wear and tear, making them ideal for handling heavy loads and withstanding continuous use. Additionally, steel pipes can be easily shaped and welded, allowing for customization and flexibility in conveyor system design.

Q: How are steel pipes coated for insulation purposes?: Various methods and materials are commonly used to coat steel pipes for insulation. One method involves applying a thermal insulation coating, typically made of a high-performance polymer or epoxy-based material, to the surface of the pipe. To ensure proper adhesion of the coating, the steel pipe is first thoroughly cleaned to remove dirt, grease, and rust. This cleaning process, known as abrasive blasting, involves propelling small particles at high speed to remove contaminants and create a clean, rough surface. Once the surface is prepared, the thermal insulation coating is applied using techniques such as spraying, brushing, or rolling. Multiple layers of the coating are carefully applied to ensure adequate coverage and thickness. This forms a protective barrier between the steel pipe and the external environment, preventing heat transfer and reducing energy loss. In addition to thermal insulation coatings, steel pipes can also be coated with materials like polyurethane foam or mineral wool. These materials offer excellent thermal insulation properties and are often used in applications where high-temperature resistance is necessary. Overall, the insulation of steel pipes involves a combination of surface preparation and the application of specialized coatings. These coatings serve to minimize heat loss, improve energy efficiency, and protect against corrosion and other environmental factors.

Q: How do you calculate the pipe deflection for steel pipes?: To calculate the pipe deflection for steel pipes, you need to consider factors such as the length, diameter, material properties, applied load, and support conditions. The most common method is using structural analysis software or referring to relevant engineering codes and standards, which provide formulas and calculation procedures specific to steel pipes. These calculations determine the deflection at various points along the pipe, considering its stiffness and the applied loads.

Q: Are steel pipes resistant to vibration?: Yes, steel pipes are generally resistant to vibration due to their high strength and rigidity.

Q: How do steel pipes compare to other types of piping materials?: Steel pipes are known for their exceptional strength, durability, and resistance to corrosion, making them superior to many other types of piping materials. They can withstand high pressure and temperature, making them suitable for a wide range of applications. Additionally, steel pipes are cost-effective, readily available, and easily recyclable, making them a preferred choice in various industries.

Q: What are the common applications of steel pipes in industrial settings?: Steel pipes have a wide range of applications in industrial settings, including but not limited to, the transportation of fluids and gases, structural supports in buildings and infrastructure, manufacturing of machinery and equipment, and even in the oil and gas industry for drilling and extraction purposes.

Q: How are steel pipes used in the telecommunications industry?: Steel pipes are commonly used in the telecommunications industry for the installation of underground and overhead cables. These pipes provide a protective casing for the cables, ensuring their safety from external elements and physical damage. Additionally, steel pipes are used in the construction of telecommunication towers and infrastructure, providing support and stability for antennas, satellite dishes, and other communication equipment.

Q: Can steel pipes be used for chemical processing plants?: Yes, steel pipes can be used for chemical processing plants. Steel pipes are commonly used in chemical processing plants due to their strength, durability, and resistance to corrosion, making them suitable for transporting various chemicals and fluids safely and efficiently. Additionally, steel pipes can withstand high temperatures and pressures, which are often encountered in chemical processing operations.

Q: How do steel pipes resist corrosion?: Steel pipes resist corrosion through a process called passivation, where a protective layer of chromium oxide forms on the surface of the steel, preventing direct contact with corrosive elements and slowing down the oxidation process. Additionally, steel pipes can be coated with protective layers such as zinc or epoxy to provide an extra barrier against corrosion.

Q: How are steel pipes inspected for quality?: The quality of steel pipes undergoes a thorough examination process involving diverse techniques and standards. Trained professionals conduct visual inspections to scrutinize the pipes for visible defects such as cracks, dents, or surface irregularities. This examination guarantees that the pipes meet the required specifications and are devoid of any visible flaws. Furthermore, non-destructive testing (NDT) methods are utilized to assess the internal and external quality of the steel pipes. Among the commonly used NDT techniques, ultrasonic testing stands out. This method involves transmitting ultrasonic waves through the pipes to detect any internal defects or inconsistencies in the material. It effectively identifies issues such as variations in wall thickness, inclusions, or weld defects that could compromise the pipe's integrity. Another widely employed NDT technique is magnetic particle inspection. By utilizing magnetic fields and iron particles, this method identifies surface cracks or flaws in the steel pipes. It is particularly effective for detecting defects in ferromagnetic materials and can be performed on both the outer and inner surfaces of the pipes. Moreover, hydrostatic testing is frequently conducted to evaluate the strength and pressure resistance of the pipes. This process involves filling the pipes with water or a suitable fluid and subjecting them to a specified pressure to check for leaks or structural weaknesses. This test ensures that the pipes can withstand the intended operational conditions without failing. In addition to these techniques, various quality control measures are implemented throughout the manufacturing process. These measures include material traceability, dimensional checks, and chemical composition analysis. They play a crucial role in ensuring that the steel pipes meet the required standards and specifications, thereby guaranteeing their quality and reliability. In summary, the inspection of steel pipes for quality involves a comprehensive approach encompassing visual inspection, non-destructive testing methods, and quality control measures. These thorough procedures enable the identification of defects, inconsistencies, or weaknesses, ensuring that the pipes meet the necessary quality standards and are suitable for their intended purpose.

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