Flexalink

Pressure drop PB-pipes

Purmerend’s district heating resurrection at steep returns: In September 2015, the multiannual renovation project for 4,000 homes concluded for the city of Purmerend, the Netherlands. The cooperation between Thermaflex and local district heating company Stadsverwarming Purmerend saw the successful end of SVP’s ‘SlimNet’ program, aimed at reviving Purmerend’s deteriorated district heating network. Read the full article here.

The Flexalen Product Guide offers all system, application & technical specifications for all Flexalen product ranges.

Here you will find answers according the frequently asked quastions about Polybutene.

This brochure is giving an introduction to Polybutene including a review of the performance of Polybutene pressure piping systems in meeting the needs of sustainable building regulations.

Drukverliezen PB-leidingen

Safety data sheet: Flexalen corrugated tubes (outer casing).

Material safety data sheet: Polybutene-1 (PB grey)

Material safety data sheet: Flexalen foam

During the District Heating and Cooling Symposium 2010 in Tallinn Thermaflex presented 5 papers addressing the benefits of flexible pipe systems and tailored prefabricated solutions over the entire network lifetime, exemplified by the pre-insulated piping system Flexalen 600. Since that time Thermaflex achieved a global acceptance of the introduced solutions as they have been successfully implemented in numerous District Heating and Cooling network applications all over the world. This formed the basis for further developments since 2010. Production facilities have been up-scaled to meet an increasing demand and quality level. The cooperation of R&D with key stakeholders focused on responding to their challenges with new and improved solutions.

Heat loss tests are performed on different samples of the Thermaflex Flexalen 600 series and one ST-PUR-PE sample with the Thermaflex heat loss equipment and at two recognized test facilities, both using different test methods. The results of the institute using the same, guarded end method comply with the Thermaflex heat loss equipment’s results. The results of the institute using the calculated end method differ considerably from the Thermaflex results. In this paper a comparison of these methods and results and a verification of the Thermaflex heat loss equipment is given.

Acoustic properties Polybutene.

Creep resistance Polybutene.

Dimensions plumbing pipes

Expansion compensation.

Flexural Elastic Modulus of Polybutene.

Heat conductivity comparision Polybutene to other plastics.

Oxygen permeation resistance

Thermal expansion.

Water hammer resistance.

Wet abrasion resistance.

Technical approval-with-product certificate for Flexalen PB system. 

(August 2005).

Certificate number: 21665/B0 BV. 

Type of product: Thermoplastic material pipes and fittings, Flexalen 600. 

(July 2014).

Certificate number: K25546/01.

KOMO Product certificate for PB pipes. 

(December 2004).

KIWA International Conformity EN15632 part1 and 3 - Flexalen 600.

(May 2011).

KIWA - KOMO technical approval-with-product certificate for Flexalen 600. 

(January 2007).

Certificate number: K25547/01.

KOMO Component certificate PB electrofusion and socket fusion fittings. 

(December 2004).

KOMO technical approval-with-product certificate.

Certificate number: K25548/01.

(December 2004).

Product certificate for PB fittings. 

(August 2005).

This process certificate is issued by KIWA on the basis of BRL 5609 'pre-insulated flexible plastics piping systems for warm water distribution outside buildings'

Together with KIWA the welding process of electrofusion, polyfusion and butt welding is technical approved with product certificate stated requirements.

Product certificate for PB pipes.

(August 2005).

KIWA Technical approval-with-product certificate K26821/02.

(July 2010).