seamless and welded 2PE steel pipe external coating

seamless and welded 2PE 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 shipbuilding and offshore structures?: Steel pipes are essential components in the manufacturing of shipbuilding and offshore structures. They are widely used due to their strength, durability, and resistance to corrosion, making them ideal for the harsh marine environment. In shipbuilding, steel pipes are used for various purposes. One of the main applications is in the construction of the hull, the framework that provides structural support to the ship. Steel pipes are used to form the keel and the frames, which help to maintain the shape and strength of the hull. These pipes are welded together to create a robust and rigid structure that can withstand the forces exerted on the ship during navigation. Moreover, steel pipes are used in the construction of various systems onboard the ship. For instance, they are utilized in the piping system for transporting fluids like fuel, water, and oil throughout the vessel. Steel pipes are also employed in the ventilation and air conditioning systems, ensuring proper airflow and temperature control within the ship. In offshore structures, such as oil rigs and platforms, steel pipes play a crucial role. These structures are typically subjected to extreme environmental conditions, including severe weather, high pressure, and corrosive saltwater. Steel pipes are used to fabricate the legs, risers, and other load-bearing components of offshore structures. These pipes provide the necessary strength and stability, allowing the structure to withstand the forces exerted by waves, wind, and drilling operations. Additionally, steel pipes are utilized in the construction of subsea pipelines. These pipelines are used to transport oil, gas, and other fluids from offshore drilling sites to onshore facilities. Steel pipes are preferred due to their high tensile strength and ability to withstand the high pressure and corrosive conditions found in subsea environments. Overall, steel pipes are indispensable in the manufacturing of shipbuilding and offshore structures. Their exceptional strength, durability, and corrosion resistance make them the preferred choice for constructing hulls, systems, and load-bearing components. Without steel pipes, the construction of ships and offshore structures would be significantly compromised in terms of safety, reliability, and longevity.

Q: How are steel pipes used in irrigation systems?: Steel pipes are commonly used in irrigation systems to transport water from a water source, such as a well or a reservoir, to the fields or plants that need to be irrigated. These pipes are durable, strong, and resistant to corrosion, making them ideal for withstanding the constant flow of water and the harsh outdoor conditions. They are typically laid underground or above the surface, depending on the specific irrigation system design, and are connected to sprinklers or drip irrigation systems to distribute water efficiently and effectively to the crops or plants.

Q: Are steel pipes resistant to vibration?: Yes, steel pipes have excellent resistance to vibration due to their high strength and stiffness properties. The inherent rigidity of steel makes it highly resistant to the effects of vibration, making steel pipes a reliable choice for applications where vibration is a concern.

Q: How do steel pipes handle extreme weather conditions?: Steel pipes are highly durable and can withstand extreme weather conditions. They have excellent resistance to corrosion, which allows them to maintain their structural integrity even in harsh environments. Additionally, steel pipes have high tensile strength, making them resistant to bending, cracking, or collapsing under extreme weather events such as strong winds, heavy snow, or intense heat. Overall, steel pipes are a reliable choice for handling extreme weather conditions.

Q: What are the different types of gaskets used with steel pipes?: There are several types of gaskets commonly used with steel pipes, including ring type joint (RTJ) gaskets, spiral wound gaskets, and flat gaskets. RTJ gaskets are designed to create a tight seal by compressing between two flanges, while spiral wound gaskets consist of a metal winding and filler material for enhanced sealing properties. Flat gaskets are typically made from rubber or non-metallic materials and are used for lower pressure applications.

Q: How are steel pipes protected against mechanical damage?: Steel pipes are protected against mechanical damage through various methods such as applying coatings, using protective sleeves or wraps, implementing proper handling techniques, and employing impact-resistant materials in high-risk areas.

Q: How do steel pipes handle abrasive materials?: Steel pipes are highly durable and resistant to abrasion, making them well-suited to handle abrasive materials. The smooth interior surface of steel pipes minimizes friction and wear caused by the movement of such materials, ensuring their efficient and effective transportation.

Q: How do steel pipes handle water hammer?: Steel pipes can effectively handle water hammer by absorbing the pressure surges caused by sudden changes in water flow. The solid and durable nature of steel helps to dampen the impact and prevent damage to the pipes or other components of the plumbing system. Additionally, steel pipes can be designed and installed with appropriate supports, expansion joints, and water hammer arrestors to further mitigate the effects of water hammer.

Q: Can steel pipes be used for transporting chemicals?: Yes, steel pipes can be used for transporting chemicals. Steel pipes are known for their strength and durability, making them suitable for various applications, including the transportation of chemicals. Additionally, steel pipes are resistant to corrosion, which is crucial when dealing with potentially corrosive substances. However, it is important to ensure that the specific type of steel used in the pipes is compatible with the chemicals being transported to prevent any reactions or contamination.

Q: What are the common applications of seamless steel pipes?: Seamless steel pipes have a wide range of applications in various industries. Some common applications include oil and gas exploration and transportation, construction and infrastructure projects, automotive manufacturing, power generation, and chemical processing. They are also used in industries like aerospace, telecommunications, and pharmaceuticals where high precision and reliability are required. The seamless design of these pipes ensures superior strength, durability, and resistance to corrosion, making them suitable for demanding environments and critical applications.

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