Januari 5, 2020

by admin in Industry News

HDPE SPIRAL PIPE Information PP-B. part 2

Key material properties Different types of polypropylene Polypropylene is a semi crystalline material. The regularity of the molecule chain is supporting the development of crystallineareas. Due to entanglement of the ends of the molecule chains, amorphous areas are built that are laid between the crystalline ones. The crystalline structure is supporting the strenght and stiffness […]

Desember 24, 2019

by admin in Industry News

HDPE SPIRAL PIPE INFORMATION PE100

PE100 High Density Polyethylene Materials for producing Spiral Wound Pipes 1 The discovery and development of polyethylene for pipe applications The story of polyethylene (PE) really starts in 1933 with its accidental discovery by two scientists working for Imperial Chemical Industries (ICI) at Northwich, England, when a mixture of ethylene and benzaldehyde waas put […]

Desember 15, 2019

by admin in Industry News

HDPE SPIRAL PIPE Information PP-B

High Modulus PP-B pipe material for spiral wound pipes Introduction & Background Polypropylene has an excellent track record after more than 30 years of service for non-pressure sewage and drainage applications. The inherent material properties and their development, energy and cost efficiency, pipe design and ease of manufacture and installation have contributed to this success. […]

Desember 8, 2019

by admin in Industry News

Testing of HDPE-Manholes for fire hazard ministry of works

Introduction : Manholes made of Polyethylene have been used successfully for more than 40 years Worldwide. It is a growing market and the advantages of manholes made of thermoplastic materials are well known: No leakages Easy handling Low weight Durability > 50years Impact resistance Flexibility High Strength Tailor-made design for any load case Easily Fabricated […]

November 30, 2019

by admin in Industry News

Geopipe

Before knowing what a geopipe or geosynthetic pipeline is, it helps us to know the types of geosynthetics and their understanding, from several articles on the internet or Google or also on Wikipedia. I summarize some of them as follows: Geosynthetic Types and their Definition Geosynthetic is a type of synthetic material / synthetic […]

November 23, 2019

by admin in Industry News

HDPE/PE pipe introduction

HDPE pipe is a type of flexible plastic pipe used for fluid and gas transfer and is often used to replace ageing concrete or steel mains pipelines. Made from the thermoplastic HDPE (high-density polyethylene), its high level of impermeability and strong molecular bond make it suitable for high pressure pipelines. HDPE pipe is used across the globe for applications such […]

November 23, 2019

by admin in Tips

Handbook Plastic Pipe Ringstiffness 5

Determination of the deformation of the segment The segment is deformed to an extent as it would be during a deformation of the whole pipe of 3%. The deformation of the segment is calculated according to the following equation: YRS = YS X α79O = 0.03 X di x 0.29 YRS = deformation of […]

November 8, 2019

by admin in Tips

Handbook Plastic Pipe Ring Stiffness part 4

3.1 Determination of ring stiffness under use of pipe segments In the following abstract the most important details of the procedure acc. GIN 16917 are explained. A mathematic investigation has proven that there exists a relationship between testing 79° pipe segments and the standard test procedure according to DIN EN ISO 9969. The same ring […]

November 2, 2019

by admin in Tips

Handbook Plastic Pipe Ring Stiffness part 3

Alternative Test Procedures for Ring Stiffness All Manufacturers of large diameter plastic pipes face the same challenge regarding regular testing of ring stiffness. Especially dimensions bigger than DN 2000 are problematic, because of typical existing infrastructure in laboratories. The weight of the cut pipe lenght and the size it self require special equipment to […]

Oktober 26, 2019

by admin in Tips

Handbook Plastic Pipe Ring Stiffness part 2

2. Standard Ring Stiffness Test Procedures Mainly we differ two different procedures to measure and evaluate the pipe-stiffness: a. Testing under constant load acc. DIN 16961-2: Thermoplastic pipes with profiled wall and smooth pipe inside b.Testing under constant speed acc. DIN EN ISO 9969: Thermoplastic Pipes-determination of Ring stiffness At noth procedures a cut length […]

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HDPE SPIRAL PIPE Information PP-B. part 2

HDPE SPIRAL PIPE INFORMATION PE100

HDPE SPIRAL PIPE Information PP-B

Testing of HDPE-Manholes for fire hazard ministry of works

Geopipe

HDPE/PE pipe introduction

Handbook Plastic Pipe Ringstiffness 5

Handbook Plastic Pipe Ring Stiffness part 4

Handbook Plastic Pipe Ring Stiffness part 3

Handbook Plastic Pipe Ring Stiffness part 2

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