seamless and welded 3PE steel pipe external coating

seamless and welded 3PE steel pipe external coating

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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: Can steel pipes be used for underground telecommunications networks?: Yes, steel pipes can be used for underground telecommunications networks. Steel pipes are commonly used in underground applications due to their strength, durability, and resistance to corrosion. They provide protection and support for the telecommunication cables and can withstand the external pressure and load that occur underground. Additionally, steel pipes can be coated with protective materials to further enhance their resistance to corrosion and extend their lifespan. Overall, steel pipes are a reliable choice for underground telecommunications networks.

Q: Can steel pipes be used for both high-pressure and low-pressure systems?: Yes, steel pipes can be used for both high-pressure and low-pressure systems. Steel is known for its durability, strength, and resistance to extreme conditions, making it suitable for various applications. Whether it is transporting liquids or gases in high-pressure systems or low-pressure systems, steel pipes can efficiently handle the demands of both.

Q: What are the different types of couplings used with steel pipes?: There are several types of couplings that can be used with steel pipes, including threaded couplings, compression couplings, and flanged couplings. Threaded couplings have threads on the inside and outside that allow pipes to be screwed together. Compression couplings use a compression fitting to connect pipes, providing a tight and secure connection. Flanged couplings have flanges on each end that are bolted together, creating a strong and durable joint.

Q: Heating system DN40 and DN32 welded steel pipe how to connect?: As for the flange connection: low pressure pipeline is generally not used in this way, can be divided into threaded flanges and flange welding flange, and the flange connecting pipes of different diameters, only the welded flange to diameter, said in a low pressure pipeline which has low pressure pipe connection make an unnecessary move, this is not much, but there are also people with non the standard flange for connecting different pipe diameter, which is not consistent with the technical specification!

Q: Are steel pipes suitable for underground cable protection?: Indeed, underground cable protection can be achieved through the use of steel pipes. These pipes boast remarkable durability and strength, rendering them an optimal choice for safeguarding cables against external elements such as physical harm, wetness, and corrosion. They are capable of enduring the soil's weight and any potential pressure from above, guaranteeing the cables' security and protection. Furthermore, steel pipes can be effortlessly welded or connected to establish a continuous and flawless conduit, thereby bolstering their efficacy in underground cable protection.

Q: How do you calculate the pipe buoyancy for steel pipes in water?: In order to determine the buoyancy of steel pipes in water, one must take into account the weight of the water displaced by the submerged part of the pipe. This can be achieved by applying Archimedes' principle, which states that the buoyant force on an object submerged in a fluid is equal to the weight of the fluid displaced by the object. Firstly, the volume of the submerged portion of the pipe needs to be calculated. This can be accomplished by multiplying the cross-sectional area of the pipe by the length of the submerged part. Next, the density of the water surrounding the pipe must be determined. Typically, this value is approximately 1000 kg/m³ for freshwater and slightly higher for seawater. To find the weight of the water displaced, multiply the volume of the submerged portion of the pipe by the density of the water. Lastly, compare the weight of the water displaced to the weight of the steel pipe. If the weight of the water displaced is greater than that of the pipe, the pipe will exhibit buoyancy and tend to float. Conversely, if the weight of the pipe is greater, it will sink. It is worth noting that factors such as pipe design, wall thickness, and external forces acting upon the pipe may also impact its buoyancy. Therefore, it is advisable to consult industry-specific guidelines or seek professional advice for precise calculations in specific scenarios.

Q: How do steel pipes resist corrosion?: Steel pipes resist corrosion through a process called passivation, wherein a protective layer of oxide forms on the surface of the steel, preventing further oxidation and corrosion. Additionally, the pipes can be coated with anti-corrosive materials or undergo treatments such as galvanization or lining to enhance their resistance against corrosion.

Q: Can steel pipes be used for sewage systems?: Yes, steel pipes can be used for sewage systems. Steel pipes are commonly used in sewage systems for their durability, strength, and resistance to corrosion. They are suitable for transporting sewage and wastewater, ensuring reliable and long-lasting performance.

Q: What is the lifespan of galvanized steel pipes?: The lifespan of galvanized steel pipes can vary depending on various factors such as the quality of the galvanization, the environment in which they are installed, and the maintenance they receive. However, on average, galvanized steel pipes can last between 40 to 70 years.

Q: Can steel pipes be used for fencing?: Yes, steel pipes can be used for fencing. They are a popular choice for fencing due to their strength, durability, and ability to withstand harsh weather conditions. Steel pipes provide a sturdy and secure barrier, making them suitable for various fencing applications such as residential, commercial, and industrial settings.

Send your message to us

*Email

*TEL

*Quantity

*Unit