seamless and welded 3PE steel pipe external coating

seamless and welded 3PE 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 environmental benefits of using steel pipes?: Steel pipes have several environmental benefits. Firstly, steel is a highly durable material, which means that steel pipes have a longer lifespan compared to other types of pipes. This reduces the need for frequent replacements, ultimately reducing waste generation. Additionally, steel is 100% recyclable, making it a sustainable choice. Using steel pipes promotes a circular economy by reducing the demand for virgin materials and minimizing carbon emissions associated with extraction and manufacturing processes. Furthermore, steel pipes are resistant to corrosion, reducing the risk of leaks and minimizing environmental contamination. Overall, the environmental benefits of using steel pipes include reduced waste, lower carbon emissions, and improved resource efficiency.

Q: Can steel pipes be used for underground irrigation systems?: Yes, steel pipes can be used for underground irrigation systems. Steel pipes are durable, corrosion-resistant, and can withstand high pressure, making them suitable for underground applications. However, it is important to ensure proper coating and protection against corrosion to maintain their longevity in underground environments.

Q: How are steel pipes marked for identification and traceability?: Steel pipes are typically marked for identification and traceability through various methods such as stenciling, stamping, or laser engraving. This marking process involves the application of unique codes, numbers, or logos on the surface of the pipes. These markings serve as crucial identifiers, enabling manufacturers, suppliers, and users to track and trace the pipes throughout their lifecycle, ensuring quality control, proper maintenance, and adherence to industry standards.

Q: Can steel pipes be used for heating and cooling systems?: Yes, steel pipes can be used for heating and cooling systems. Steel pipes are commonly used in HVAC (heating, ventilation, and air conditioning) systems due to their durability, strength, and resistance to high temperatures. They are especially suitable for transporting hot water or steam for heating purposes and can also handle the circulation of chilled water for cooling systems.

Q: How are steel pipes handled and transported safely?: Steel pipes are handled and transported safely by following certain protocols. Firstly, they are properly secured and stacked in a way that prevents any movement or damage during transportation. The pipes are often bundled together using steel bands or straps to ensure stability. Additionally, specialized equipment such as cranes, forklifts, or pipe handling systems are used to lift and move the pipes with care. Adequate protective measures, such as using cushioning materials and covers, are taken to prevent corrosion or external damage. Furthermore, proper training is provided to workers involved in handling and transportation to ensure they follow safety guidelines and use appropriate lifting techniques. Overall, a combination of careful planning, secure packaging, and trained personnel contribute to the safe handling and transportation of steel pipes.

Q: What's the actual size of the DN25?: DN25 refers to the theoretical size of the inner hole of the pipe. That is to say, the theoretical dimension of the inner diameter of the pipe is 25 (the metric tube refers to the inner diameter, and the English tube is also to indicate the inner diameter, for example: 3/8, the inner diameter is 9.525, and the diameter of the 1/2 is 12.7, and the diameter of the 5/8 is 15.875). The outer diameter is theoretical in diameter, plus the wall thickness specified by the state (which is artificially specified and has no formula)The theoretical diameter of DN25 is 25, and the outer diameter is Phi 33.7 and phi 32(but there is also the outside diameter of the mark. The mark is: the outer diameter * wall thickness, such as: 32 * 2, that is to say, the outer diameter is 30, the inner diameter is 26)

Q: Can steel pipes be used for oil wells?: Yes, steel pipes can be used for oil wells. Steel pipes are highly durable and resistant to corrosion, making them suitable for the harsh conditions and high-pressure environments encountered in oil drilling operations.

Q: How long are the seamless tubes? Are they six meters long?: The production process of seamless steel tube in general can be divided into two kinds of hot rolling and cold drawing, cold-rolled seamless steel pipe production process than hot-rolled seamless steel pipe seamless pipe hot rolling to complex, diameter is generally greater than 32mm, thickness 2.5-200mm, cold-rolled seamless steel pipe outside diameter 6mm, wall thickness to 0.25mm cold rolling hot rolling high precision ratio.

Q: How do steel pipes connect to other components?: Steel pipes can connect to other components through various methods such as welding, threading, flanges, or mechanical couplings.

Q: Are steel pipes resistant to earthquakes?: Steel pipes are generally more resistant to earthquakes compared to other materials due to their strength and flexibility. However, their ability to withstand seismic events depends on various factors such as the design, installation, and support systems in place. Overall, steel pipes can provide a higher level of earthquake resistance, but proper engineering and construction practices are crucial to ensure their effectiveness.

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