Complete Machinery Solution for Bonded Fiberglass-reinforced Thermoplastic Pipe

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Flexible composite pipes (FCP) are simplified versions of metal-based flexible pipes due to simple configuration and lower functional requirements. Both mental-based and composite – based flexible ...


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Flexible composite pipes (FCP) are simplified versions of metal-based flexible pipes due to simple configuration and lower functional requirements. Both mental-based and composite – based flexible pipes are further divided into two groups based on configuration: bonded or unboned.

The bonded nonmetallic FCP is named Thermoplastic Composite Pipes ( TCP) or Bonded Reinforced Thermoplastic Pipes(RTP). Banline provides entire continuous production machinery & solution of bonded fiberglass reinforced thermoplastic pipe (CFRTP) primary used in oil & gas industries. The larger diameter of CFRTP can be applicable in water field.

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Structure of the RTP pipe

The bonded RTP pipe has three layers : Inner layer (HDPE or PERT), Reinforced layer (Fiberglass Tape prepreg with PE resin) , Outer layer (HDPE).

 

Bonded Fiberglass-RTP Uniqueness

- High-pressure resistance: The maximum pressure resistance of the CFRTP system is up to 60 MPa, more than 40 times of plastic pipes.

- High-temperature resistance: The maximum operating temperature of the system is 130℃, by using PERT-1 or PERT-2 for the inner layer, which is more than 60℃ higher than general plastic pipes.

- Long lifetime: 6 times of metal pipes, 2 times of plastic pipes.

- Corrosion resistance: Non-corrosive and environmental.

- Wall thickness: The wall thickness is 1/4 of plastic pipes, improving 30% flow rate.

- Lightweight: 40% lighter than plastic pipes, 30% lighter than steel wire reinforced composite pipe.

- Strong joints: Double-layer glass fiber superposition in joints, hot-melt socket, never leak.

- Low cost: 40% lower than plastic pipes.

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Bonded Fiberglass RTP Market

Onshore & Offshore oil pipeline; Natural gas; Water application etc.

International Standard Followed

API SPEC 15HR -2001 High Pressure Fiberglass Line Pipe
API SPEC 15LR -2001 Specification for Low Pressure Fiberglass Line Pipe
API SPEC 15S-2016 Spoolable reinforced plastic line pipe
SY/T 6662.2 – 2012 Non-metallic composite pipe for petroleum and natural gas industries
SY/T 6794– 2010
( API RP 15S : 2006, IDT)
Qualification of spoolable reinforced plastic line pipe
ASTM D2992-2018 Standard practice for obtaining hydrostatic or pressure design
basis for “Fiberglass”(Glass-Fiber- Reinforced Thermosetting-Resin) pipe and fittings
GB/T 29165 Petroleum and natural gas industries
SY/T6266-2004 Low pressure fiberglass line pipe and fittings
SY/T6267-2006 Specification for high pressure fiberglass line pipe

Bonded RTP Pipe Specification - Oil & Gas use

 

4.95 Mpa - 7.14 Mpa

Inside Diameter Outsite Diameter Reinforced Wall Thickness Nominal Pressure Pipe Weight
mm in mm in mm in Mpa kg/m Ibs/ft
50 2.0 64.4 2.54 1.4 0.06 7.34 1.39 10.02
63 2.5 78.8 3.10 1.4 0.06 5.95 1.86 13.48
75 3.0 91 3.58 1.4 0.06 5.05 2.20 15.95
90 3.5 106.4 4.19 1.6 0.06 5.00 2.71 19.58
110 4.3 128.2 5.05 2.1 0.08 5.40 3.72 26.93
125 4.9 145.8 5.74 2.4 0.09 5.45 4.84 34.99
140 5.5 163.6 6.44 2.8 0.11 5.54 6.18 44.72
150 5.9 173.8 6.84 2.8 0.11 5.25 6.64 48.02
160 6.3 184.4 7.26 2.8 0.11 4.95 7.22 52.19

9.34 Mpa - 11.51 Mpa

Pipe Dimensions
Inside Diameter Outsite Diameter Reinforced Wall Thickness Nominal Pressure Pipe Weight
mm in mm in mm in Mpa kg/m Ibs/ft
50 1.97 67.4 2.65 2.1 0.083 10.71 1.77 12.79
63 2.48 80.8 3.18 2.4 0.094 10.21 2.25 16.30
75 2.95 95.8 3.77 3.2 0.126 11.33 3.20 23.13
90 3.54 113.6 4.47 3.5 0.138 10.38 4.30 31.11
110 4.33 133 5.24 3.5 0.138 10.07 5.02 36.29
125 4.92 154 6.06 4.9 0.193 10.75 7.41 53.61
140 5.51 171.6 6.76 5.6 0.220 10.90 9.10 65.85
150 5.91 182 7.17 5.6 0.220 10.23 9.80 70.91
160 6.30 197.2 7.76 4.9 0.193 10.10 11.69 84.55

13.21 Mpa - 16.54 Mpa

Pipe Dimensions
Inside Diameter Outsite Diameter Reinforced Wall Thickness Nominal Pressure Pipe Weight
mm in mm in mm in Mpa kg/m Ibs/ft
50 1.97 79.2 3.12 4 0.157 16.54 3.35 24.24
63 2.48 100 3.94 4.8 0.189 17.67 5.33 38.55
75 2.95 113.6 4.47 5.6 0.220 17.86 6.55 47.35

26.63 Mpa

Pipe Dimensions
Inside Diameter Outsite Diameter Reinforced Wall Thickness Nominal Pressure Pipe Weight
mm in mm in mm in Mpa kg/m Ibs/ft
50 1.97 82.4 3.24 5.6 0.220 26.63 3.98 28.77

Bonded RTP Pipe Specification - Water use

 

Pipe Dimensions
Outsite Diameter Inside Diameter Pressure Class Reinforced Wall Thickness Pipe Weight
mm in mm in Mpa mm in kg/m Ibs/ft
200 7.87 180.4 7.10 1.36 0.7 0.028 3.87 28.01
200 7.87 176 6.93 2.75 1.4 0.055 5.33 38.54
200 7.87 167 6.57 5.57 2.8 0.110 8.20 59.31
250 9.84 232.2 9.14 1.08 0.7 0.028 4.12 29.82
250 9.84 226.4 8.91 2.18 1.4 0.055 6.47 46.77
250 9.84 221.4 8.72 2.18 1.4 0.055 8.14 58.91
250 9.84 206.6 8.13 3.29 2.1 0.083 13.24 95.80
315 12.40 297.2 11.70 0.85 0.7 0.028 5.23 37.86
315 12.40 291.4 11.47 1.71 1.4 0.055 8.23 59.51
315 12.40 285 11.22 2.58 2.1 0.083 11.42 82.64
315 12.40 271.6 10.69 2.58 2.1 0.083 17.00 122.96
400 15.75 373.6 14.71 1.35 1.4 0.055 10.49 75.87
400 15.75 362.6 14.28 2.03 2.1 0.083 17.11 123.73
400 15.75 353.8 13.93 2.73 2.8 0.110 21.26 153.76
400 15.75 339 13.35 2.73 2.8 0.110 28.96 209.43
500 19.69 470 18.50 1.08 1.4 0.055 14.30 103.40
500 19.69 455 17.91 1.08 1.4 0.055 23.96 173.30
500 19.69 444.8 17.51 1.62 2.1 0.083 31.53 228.06
500 19.69 424.4 16.71 2.18 2.8 0.110 44.82 324.20
630 24.80 597 23.50 0.85 1.4 0.055 18.99 137.32
630 24.80 591 23.27 1.29 2.1 0.083 22.48 162.60
630 24.80 571.4 22.50 1.72 2.8 0.110 39.53 285.90
630 24.80 560.4 22.06 1.73 2.8 0.110 47.98 347.01

* To the best of our knowledge, the information contained in data sheets are accurate; however, we do not assume any liability whatsoever for the accuracy and completeness of such information,Nominal value shown, actual value may vary based on different senarios, For more info, please contact Banline International Department. email :owen.chen@banline.com

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Fiberglass Tape 

The new generation always set new quality standards. We want our clients to get benefits, keep market leadership for years, decades. Therefore, we design brand new fiberglass tape wrapping & heating solution that different from current market. Fully customizable with efficiency solutions, which is how we called innovation. Pipe production per fiberglass tape can continuously produce up to 7,000 m CFRTP, which brings  more convenience and machinery efficiency.

The fiberglass tape width, thickness can be adjusted based on working pressure requirement.

Fiberglass tape thickness : 0.35mm ~ 0.4 mm

Tape width : 90 ~ 360mm

Pressure : 700, 800 Mpa or more

 

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Bonded Fiberglass RTP Pipe Joints

RTP is terminated or joined by metallic crimp-style fittings which are applied with portable equipment and do not require the application of heat or adhesives. The fittings can terminate the pipe with a standard lap-joint flange or with a weld neck transition that allows direct connection to steel using standard field welding procedures. Pipe-to-pipe couplings allow one length of RTP to be connected directly to another.

This joining system significantly reduces the time, effort, and cost of forming pipeline connections. Costly multiple-pass welding procedures and detailed inspections are eliminated, and far fewer joints are required for a given length of pipe. The overall result is faster, less costly installation with less environmental impact.

More details, please check the  video : https://www.youtube.com/watch?v=mLMg12JkmhU

For water-use RTP pipe, the electrothermal joining can be easily applied.

 

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Banline Bonded Fiberglass - RTP Project Case - CHINA LESSO Group

China Lesso Group Holdings (Stock code:02128.HK) has over 30 years of experience in production and R&D in the pipeline field, pipelines with an annual design capacity of over 2,500,000 tons.

As one of the exclusive clients, LESSO has purchased entire bonded- fiberglass RTP machinery line solution ( 3 lines - DN 50 ~ DN630). Banline provides entire pipeline production solutions such as manufacturing, connection, standard-setting etc.

3 Lines already delivered,  16 lines till working in the process.

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Bonded Fiberglass-RTP Line Features

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The length of the line most depends on the fiberglass wrapping machine sets, one sets of wrapping machine with heating unit is around 8659 mm.

Customizable Extruder

Clients are able to use their own single-screw extruder for inner & outer layers extrusion. Multilayer co-extrusion is still applicable.

Continuous Production

The new fiberglass tape wrapping method allowed entire machinery line able to make continuous production , which means there’ s no need to exchange fiberglass tape frequently.

Fiberglass Tape Wrapping & Heating

The wrapping technology with high efficient heating&fusion technology that ensure the complete fusion quality between prepreg fiberglass tape and inner&outer layers.

 

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Finished Product

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Frequently Asked Questions

What is general RTP pipe  and bonded RTP( known as TCP)?

Reinforced thermoplastic pipe (RTP) is referring to a reliable high strength synthetic fiber (such as glass, aramid or carbon) or high strength steel wire reinforced pipe system. The general RTP pipe is unbonded cause the holt-melt adhesive is made from Polyethylene (PE) matrix. The hot-melt adhesive is used to stick the inner lining and the outer jacket to the reinforced layer and it fully integrates with the HDPE when it is heated together. It is used in lower pressure and less demanding temperature applications compared to the fully bonded TCP (thermoplastic composite pipe).

The bonded RTP (Known as TCP) , bonded RTP pipes also consist of reinforced thermoplastic composites, quite similar as general RTP pipes, they are suited to higher pressures and a greater temperature range for following reasons. First, some bonded RTP(TCP) uses higher performing thermoplastic resins, such as PEEK, and/or carbon fiber. Second, Bonded RTP (TCP) layers are bonded to each other through melt-fusion, which yields higher performance properties than RTP made from the same materials.

What is the structure of the Bonded RTP pipe (TCP pipe)?

The reinforced thermoplastic pipe consists of 3 basic layers: an inner thermoplastic layer, a continuous fiber reinforcement wrapped around the pipe, and an outer thermoplastic layer. All three layers are melt-fused together in order to ensure a faultless bond. This results in a very strong, flexible light and corrosion resistant pipe.

The market application between general RTP and bonded RTP (TCP) ?

The general RTP cannot handle gas service under higher pressure without significant additional measures to be implemented for example:  gas venting etc. Bonded RTP (TCP) does not require this and can handle all services, including sweet, sour, crude, full wellstream and gas. RTP typically can be supplied in lengths of 300 meters per spool; TCP is manufactured in continuous lengths of at least 3,000 meters. The maximum supplied length per spool depends on allowable drum size, but even on standard road transportable drums TCP can be supplied in lengths of at least 600 meters.

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Setting new standards for bonded fiberglass-RTP machinery line system

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