Water SRTP Pipe: Steel Wire Reinforced Polyethylene Pipe
DHPI steel reinforced polyethylene pipe (SRPE) is a pipe made of steel wire mesh and polyethylene. It is widely used in water conservancy construction, chemical projects, mining construction and other fields. Due to its overall weight and various connection methods, it has also been well used in coal mining, high mountain water diversion and other projects.Choose DPHI SRPE pipe for a top-quality piping solution.

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Steel Wire Reinforced Polyethylene Pipe--Water Srtp pipe

SRTP PIPE(Steel Wire Reinforced Polyethylene Pipe) is a kind of composite pipe by taking PE as base pipe,steel wire as reinforcement body covered by adhesive resin and shaped by continuously spiral twinning,connecting reinforcement body and base pipe closely by adhesive resin,then compositly molding by fusing.It combines the strength of steel with the flexibility of polyethylene, offering superior durability and resistance to pressure, corrosion, and abrasion. The unique reinforcement ensures reliable performance and long service life. SRTP is easy to install and maintain, making it cost-effective. Ideal for various applications, it guarantees efficient fluid transportation. 

RTP.jpg

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Specification:

Working PressurePN:0.8-15MpaMaterialsteel wire,Polyethylene
Outside diameter50-1200mm(or as requirements)Length6M,12M(or as requirements)
Thickness≥24.5mm(according to sdr)StandardISO 4427, AS/NZS 4130, EN12201, DIN 8077/8078
FeatureWear resistance, pressure resistance, high ring stiffness, good flexibilityConnectionElectric melting,  mechanical connection
ApplicationWater supply,miningPE fittingsElbow Coulpling Tee ect and etc.

Product feature:

The SRTP pipe combines the advantages of polyethylene material and steel wire mesh. Compared with the traditional HDPE pipe, it has improved pressure resistance and ring stiffness, giving it greater advantages.

1. High Strength: The steel wire of srpe pipe provides high tensile strength and resistance to external pressures.

2. Flexibility: The polyethylene layer offers flexibility, allowing the pipe to bend and adapt to different terrains without breaking.

3. Corrosion Resistance: SRPE pipe is a composite polyethylene pipe with good chemical stability and is not easily corroded by corrosive substances such as acids, alkalis, and salts.

4.  Abrasion Resistance: The pipe is designed to withstand abrasion, making it suitable for harsh environments.

5.  Long Service Life: The combination of materials results in a pipe with a long lifespan, reducing the need for frequent replacements.

6.  Easy Installation: SRPE is lightweight compared to traditional steel pipes, making it easier to handle and install.

9.  Wide Temperature Range: It can operate effectively in a broad temperature range, from very cold to moderately hot conditions.

10.Cost-Effective: Over time, the durability and low maintenance of SRPE can lead to cost savings compared to other piping materials.   


Nominal diamter /mm
Nominal Pressure / Mpa
0.8 1.01.25 1.6 2.0 2.5 3.0 3.5 4.0 5.0 6.3 7.0 8.0 9.0 10.011.012.013.014.015.0
Nominal Wall Thickness / mm
50///4.55.05.55.55.56.08.59.09.510.010.010.010.010.010.010.510.5
63///4.55.05.55.55.56.58.59.010.010.010.010.010.510.511.511.011.0
75///5.05.05.5.6.06.09.59.59.510.510.510.511.511.512.012.012.012.0
90///5.55.55.56.06.010.010.510.511.511.511.512.012.012.012.012.513.0
110/5.55.57.07.07.58.58.511.012.012.012.012.013.013.013.513.514.514.515.5
125/5.55.57.58.08.59.59.511.011.012.012.013.013.015.015.015.015.015.515.5
140/5.55.58.08.59.09.59.511.011.013.013.015.015.015.015.015.015.016.016.5
160/6.06.09.09.510.010.510.511.012.014.014.015.015.015.015.516.016.017.017.0
180/6.06.09.510.51.012.012.513.013.014.015.015.015.015.015.516.017.0//
200/6.06.09.510.511.012.012.513.013.015.015.015.015.016.017.017.0///
225/8.08.010.010.511.012.013.013.013.014.015.016.017.017.0/////
2508.010.510.512.012.012.514.014.014.015.016.017.017.0///////
2809.511.011.013.013.015.015.017.017.018.018.019.020.0///////
3159.511.511.513.013.015.015.018.018.019.020.0/////////
35510.012.012.014.014.017.017.019.019.020.021.0/////////
40010.512.512.515.016.017.017.019.021.0///////////
45011.513.513.516.018.018.019.020.021.0///////////
50012.515.515.518.019.022.023.024.0////////////
56017.020.020.022.022.024.026.0/////////////
63020.223.023.026.026.028.0//////////////
71023.026.028.030.032.0///////////////
80027.030.032.034.036.0///////////////
90029.033.535.038.040.0///////////////
100034.037.040.045.047.0///////////////
120038.040.043.050.0////////////////

Product application case:

印尼钢丝管项目.jpgIndonesia OBI nickel-cobalt mine deep sea landfill project uses DHPI 1000mm diameter customized wire mesh skeleton polyethylene pipe.

大连跨海.jpgPenglai Cross-sea Project, the project is subject to strong seawater corrosion and impact. It uses DHPI dn400mm wire mesh skeleton composite pipe.

阿尔山.jpgAlxa pipe project is complex.DHPI wire mesh skeleton polyethylene pipeline successfully completes the long-distance water supply task.

DHPI SRTP Pipe Advantages:

1.Our company uses high-quality high-density polyethylene produced by large national petrochemical manufacturers, and the quality of the materials is guaranteed. The raw materials are non-toxic and odorless particles. It has good heat resistance, acid and alkali resistance, organic solvent resistance and cold resistance. It has good chemical stability, high rigidity and toughness, good mechanical strength, dielectric properties, and good resistance to environmental stress cracking.

2.As a key composite raw material, our company has its own intellectual property rights, strictly controls standards, conducts independent research and development tests, and uses the company's product platform advantages to develop modified raw materials that are more suitable for this product, and truly masters its core technology. At the same time, raw materials from other manufacturers can be used according to customer requirements.

3.It is well known that most of the internal pressure load of steel wire composite pipes is borne by the reinforced steel wire mesh skeleton, and the steel wires used by our company are high-strength steel wires with copper plating on the surface, and the strength is above 2050MPa, far exceeding the national ordinary strength tensile strength requirements.The maximum pressure of our SRPE composite pipe can reach 15Mpa, which can meet the needs of various application scenarios.

Connection Method:

Connection methodApplicable specificationsStructure

Integral flange connection

(CNT mining pipe,colored mining pipe)

dn90-dn315models,

nominal pressure 1.0Mpa-1.6Mpa

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Buckling clamp connection

(CNT mining pipe,colored mining pipe)

dn50-dn250 models,

nominal pressure 1.0Mpa-3.5Mpa

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Hot melt socket flange connection

(CNT mining pipe)

dn50-dn315 models,

nominal pressure 0.8Mpa-1.6Mpa

image.png

Elctrofusion flange connection

(CNT mining pipe)

dn355-dn630 models,

nominal pressure 0.8Mpa-1.6Mpa

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