Corrugated Pipe

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Introduction

The Polyethylene Corrugated Pipes

Nowadays, the Reinforced Spiral Corrugated Pipes, are the best choice and a superb alternative to metal and concrete pipes in sewage networks, due to their high ring stiffness, resistance to acids and base fluids, resistance against corrosion, long lifespan, and etc.

These pipes are made of HDPE materials, reinforced with steel which gives an outstanding ring stiffness to them. The reinforced spiral corrugated pipes are used in drainage systems, urban and industrial sewage networks, rainwater transmission, and ventilation systems.

Rotengaran Parseh is the largest manufacturer of these pipes with the highest quality in Iran. This company uses the best quality of raw materials, and the most modern machinery in producing the reinforced spiral corrugated pipes. Also, Rotengaran Parseh has achieved the international standard certificates for its products to ensure the dear customers about the quality of its products.

Rotengaran Parseh is ready to provide its dear customers, the best reinforced spiral corrugated pipes in various dimensions (from 1000mm up to 2400mm) in Iran and other countries in the world. This company is now exporting its products to many countries such as, Iraq, Azerbaijan, Afghanistan, Turkey, Turkmenistan, Armenia, Australia, Italy, and etc. Our customer service unit, is ready to provide information about the products to the dear customers, as well as helping them to find the best products needed for their project. You can also find more information about our products and services in our website.

Double wall corrugated pipe

Double walled corrugated pipe 110 mm

The HDPE pipes with polyethylene materials, can be produced in different grades from PE80 to PE100. It’s essential to use Anti UV and Carbon soot in the process of the production.

The corrugated pipes, are used in the water industry, drainage systems, ventilation systems and also they are used in collecting waste-waters from cities and villages.

The technical information of 110mm High density polyethylene (HDPE) double wall corrugated pipe:

Known diameter   110mm
Internal diameter   110+/-
External diameter   129
Ring resistance long term   31.5kN
Ring resistance short term   8SN
Length of the pipe 6m with coupler and washer
Length of the pipe 12m without coupler and washer
Height of profile  –
Thickness of internal crust  –
Liquefy flow index Equal or less than 0.7
Carbon percentage %1.2_%2.5
Marking According to standards

Reinforced spiral corrugated pipe

Reinforced Spiral Double wall Corrugated Pipe 1000 mm

The Rothen Plast manufacturer is the first and the greatest producer of Reinforced Spiral Corrugated Pipes, with an internal diameter of 1000mm and outside diameter of 1125mm, with PE 80 and PE100 grade of materials. The thickness of the inner layer of these pipes is 9mm and their ring resistance is 400kPa. These pipes can be produced at 6m, 9m and 12m in length.

The type of the sheets used in 1000mm reinforced spiral corrugated pipes, are ST12 oily sheet and Z20 galvanized with thickness of 1mm.

The 1000mm reinforced spiral corrugated pipe is being used in drainage system, collecting industrial and urban sewage.

 

The reinforced spiral corrugated pipe is a 5 layered polyethylene pipe that has been strengthened with metal. These 5 layers are:

Two layers of polyethylene glue, Black polyethylene layer,  Oily or galvanized ST12 metal, and, The inner yellow layer in thickness of 1cm.

The reinforced spiral corrugated pipe has a high ring stiffness and it is really resistant against ground vibrations.

The reinforced spiral corrugated pipe are being used in transferring rainwater, drainage system, urban and industrial sewage system. These pipes can be produced in two sizes of 6m and 12m in length.

High Ring Stiffness

The highest ring resistance of sewage pipes with plastic wall, is 8 SN. On the other hand, the polyethylene double-wall reinforced spiral corrugated pipe which is reinforced with steel, can easily provide 8 SN, 12.5 SN, 16 SN and even more if needed. In other words, this reinforced pipe can easily resist against corrosion because of its composite texture (steel and plastic).

The Rothen Plast’s 1000mm reinforced spiral corrugated pipe, has the certificate of 18781 Iran’s national standard, and also its being manufactured according to ASTM-F2435.

The technical information of 1000mm reinforced spiral corrugated pipe:

Internal diameter: 1000mm  1020mm = -/+ 0.02

Outside diameter: 1125mm

Type of raw material:  Polyethylene PE80-PE100

Type of the sheet:  Z20 or ST12

Thickness of steel sheet:  1mm-1.2mm

Width of steel sheet:  124.5

Thickness of yellow layer:  5mm

Thickness of black layer:  3mm

Thickness of black and yellow layers: 8mm

The gap between two crests:  150mm

Ring stiffness:   400kPa

Spiral Double-wall Corrugated Pipe

spiral corrugated pipe 1000 mm

The 1000mm Spiral Double-wall Corrugated Pipe, is in accordance with ISIR 9116-3 with ring stiffness of 4SN, 8SN, and 16SN, with PE80 and PE100 material.

The spiral corrugated pipe with internal diameter of 1000mm and outside diameter of 1008mm and 60mm in height of the profile, can be manufactured in two sizes of 6m and 12m.

All the quality examination of the products is happening in the company’s lab with the latest technology in the world.

The 1000mm Spiral Double-wall Corrugated Pipe, with 5mm in thickness of the inner layer, has 1020N of transverse tensile strength.

The raw materials of the pipes of this company are from Shazand, Amirkabir, and Maroon petrochemical and they have the approval stamp of standards.

The spiral corrugated pipe D1000 SN31.5

 

Type of examination Standard of examination Acceptance criteria
Appearance ISIRI 9116-3     Flawless
Density ISIRI 7090-1/ISIRI 9116-3 0.941 – 0.965 g/cm3
Melt flow rate(MFR) ISO 1133 / ISIRI 9116-3 0.15≤  < 0.7 g / 10 min
Ring stiffness(long term) ISIRI 9116-1 / DIN 16961 KN / m2 31.5≤
Ring stiffness(short term) ISIRI 11436/ ISO 9969 8 KN / m2≤
Flexibility 30% ISIRI 12190/ISO13968 No power drop and pipe breakage
Percentage of soot ISO 6964/ ISIRI 9116-3      2-2.5%
Soot distribution INSO 20059 / ISIRI 9116-3 Distribution rate A1,A2,A3 or B3 ≥
Oxidation Induction Time(OIT) ISIRI 9116-3 /ISIRI 7186-6 ≥20 min
 

Heat resistance

 

ISIRI 9116-3 / ISIRI 17614

No corrosion, crack and bubble on the surface of the pipe
 

Dimensions

Internal diameter DIN 16961 / ISIRI 9116-3 995±2 mm
e5,min ISIRI 9116-3      mm 8±1
Height of profile ISIRI 9116      95±2mm

 

Profiled-wall Polyethylene Pipe

Profiled wall Polyethylene Pipe 1000 mm

Profiled-wall Polyethylene Pipe

To increase the ring stiffness, the corrugated pipes surrounded by polypropylene material, come in hand. The cost of manufacturing these corrugated pipes is low due to their hollow structure.

There is no difference between profiled-wall pipes and spiral pipes in the resistance, but the corrugated pipes are better in the production of water tanks due to their lower ring stiffness compared to other double-wall pipes.

The profiled-wall polyethylene pipes are manufactured in spiral and connected tapes shape.

The polyethylene corrugated pipes are produced in three different ring stiffness of 16kN, 31.5kN, and 64kN.

In order to bury the pipe in depths more than 1.5m, the corrugated pipe with ring stiffness more than 16kN should be used.

The Rothen Plast production group is the first manufacturer of the double-wall Profiled-wall Polyethylene Pipe in high diameter. This company is also the first company that received the 9116 national standards in Iran, which, by using the most modern technology in the world in accordance with DIN 16961 and ISO 13476, has the ability to manufacture profiled-wall pipes in various diameters from 300mm to 3500mm with 6m in length.

Rothen Plast is one of the largest manufacturers of polyethylene pipes and fittings in large dimension. This company with more than 25 years of experience, by utilizing the most advanced technology in the world and modern European machinery, is able to manufacture double-wall and multi-wall pipes.

The applications of the profiled-wall polyethylene pipes:

The usage of the profiled-wall polyethylene pipes is increasing due to their advantages such as being resistant against corrosion in various environments, their light weight, convenient in transportation, simple production process, possibility of production with high diameters, and etc. This pipe is a good candidate for replacing the other pipes. The double-wall profiled-wall polyethylene pipe, have found various applications due to the strength of the inner and outer layers as well as having high resistance in environments with different properties.

The profiled-wall polyethylene pipes are being used in various projects such as:

-Urban and industrial sewage networks

-Agricultural, urban, and industrial drainage systems

-Water supply and irrigation networks

-Transfer of industrial materials such as acids, bases, salts, and etc.

-Material and liquid storage tank.

The 1000mm profiled-wall polyethylene pipe has a special type of profile made of PP, in corrugated shape. This type of structure distinguishes this pipe from similar pipes in terms of durability.

The 1000mm profiled-wall polyethylene pipe, is being used in various projects such as water and sewage systems, drainage system, and transferring water from sea. Unlike similar pipes (corrugated, Spiral, etc.), this pipe has a different body structure and has variety in production.

Having 70 types of profiles in different sizes and geometric structures in these pipes that are designed by the engineering unit and the monitoring unit for any project with any burial depth and conditions.

The 1000mm profiled-wall polyethylene pipe has a special structure compared to similar pipes. These pipes can be connected with coupler and washer made of EPDM. And sometimes, the electrofusion method can be used for these pipes. The design of this pipe can be different for various depths.

The use of 1000 mm profiled-wall polyethylene pipe in vertically or horizontally position changes the structure of the pipe at the time of production. Therefore, this pipe manufactures in accordance with the order and plan of the customer.

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