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:What are the different types of steel pipe coatings for chemical processing plants?: There are several types of steel pipe coatings commonly used in chemical processing plants, including epoxy coatings, polyethylene coatings, and fusion-bonded epoxy coatings. These coatings provide protection against corrosion and chemical damage, ensuring the longevity and safety of the pipes in such environments.

Q:How are steel pipes measured and labeled?: Steel pipes are typically measured and labeled based on their nominal pipe size (NPS), which refers to the inner diameter of the pipe. This measurement is expressed in inches or millimeters. Additionally, steel pipes are often labeled with their schedule or wall thickness, which is represented by a numerical value. The labeling also includes the pipe material, such as carbon steel or stainless steel, and may include other specifications and markings as required by industry standards and regulations.

Q:What are the different types of steel pipe supports for seismic applications?: There are several types of steel pipe supports commonly used for seismic applications, including sway braces, rigid braces, snubbers, and restraints. Sway braces are designed to absorb lateral movement and provide flexibility during seismic events. Rigid braces, on the other hand, offer rigid support and resist movement. Snubbers are used to dampen pipe vibrations and prevent excessive movement. Restraints are used to anchor and limit the movement of the pipe during seismic activity.

Q:How are steel pipes insulated to prevent noise transmission?: Steel pipes are typically insulated to prevent noise transmission by using materials such as fiberglass or mineral wool wraps. These insulating materials are wrapped around the pipes, creating a barrier that absorbs and dampens sound waves, reducing noise transmission. Additionally, acoustic lagging or jackets can also be applied to further reduce noise and vibration.

Q:How do steel pipes compare to other pipe materials like PVC or copper?: Steel pipes have distinct advantages over other pipe materials like PVC or copper. Firstly, steel pipes are extremely durable and can withstand high pressure and temperature, making them suitable for various industrial applications. They also have a longer lifespan compared to PVC or copper pipes, reducing the need for frequent replacements. Moreover, steel pipes are highly resistant to corrosion and chemical reactions, ensuring a consistent flow of water or other substances. However, steel pipes are generally more expensive and require skilled labor for installation. PVC pipes, on the other hand, are lightweight, cost-effective, and easier to install, but they may not be as durable or resistant to extreme conditions. Copper pipes are known for their excellent heat conductivity and resistance to fire, but they are more expensive and require more maintenance. Ultimately, the choice between steel, PVC, or copper pipes depends on the specific requirements of the project and the factors of cost, durability, and functionality.

Q:How are steel pipes used in oil and gas industry?: Steel pipes are extensively used in the oil and gas industry for various purposes such as drilling, production, transportation, and refining. They are primarily used for the extraction of oil and gas from the ground, as well as for the transportation of these resources over long distances. Steel pipes are also utilized in the construction of storage tanks, refineries, and offshore drilling platforms. Their strength, durability, and resistance to corrosion make them ideal for withstanding the harsh conditions encountered in the oil and gas industry.

Q:What are the common protective coatings used on the inner surface of steel pipes?: The common protective coatings used on the inner surface of steel pipes include epoxy, polyurethane, and cement mortar coatings. These coatings provide corrosion resistance, prevent the formation of scales, and improve the durability and lifespan of the pipes.

Q:How are steel pipes used in the construction of shipbuilding?: Steel pipes are used in shipbuilding for a variety of purposes, including the construction of the ship's framework, hull, and various onboard systems. These pipes provide structural strength and durability, allowing the ship to withstand the harsh conditions at sea. They are also used for piping systems, such as fuel, water, and ventilation, ensuring the efficient operation of the vessel.

Q:How do you measure the diameter of a steel pipe?: To measure the diameter of a steel pipe, you can use a caliper or a measuring tape. Place the caliper jaws or measuring tape around the widest part of the pipe, ensuring it is perpendicular to the pipe's axis. Take the reading displayed on the caliper or measure the distance between the two points on the measuring tape. This measurement will provide you with the diameter of the steel pipe.

Q:How are steel pipes used in building foundations?: Steel pipes are often used in building foundations as piles or piers. They are driven into the ground to provide structural support and stability for the building. The steel pipes act as load-bearing elements, transferring the weight of the structure to the underlying soil or rock. Additionally, they can also be utilized for underground utility installations or as part of a drainage system in building foundations.

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