Pipes HOT FIBRE, HOT FIBRE PLUS from PP-RCT. OK IPEX a.s. Manufacturer of piping systems T3S SYSTEM

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1 Pipes HOT FIBRE, HOT FIBRE PLUS from PP-RCT OK IPEX a.s. Manufacturer of piping systems T3S SYSTEM

2 New pipes for heating Hot Fibre SDR 7,4 Hot Fibre Plus SDR 6

3 Information about material PP-RCT Because of new production technology of this granulate, new material crystal structure allows the pipes to withstand of higher pressures and higher water temperatures. PP-RCT raw material from Borealis is called also as Beta-PPR. PPR PP-RCT PP-R crystallizes in the monoclinic form (α-structure) Beta-PPR crystallizes predominantely in the hexagonal form (β-structure)

4 Basic characteristics and advantages of material PP-RCT Comparison of strength curves (isotherms) between PP-R and PP-RCT

5 Advantages of pipe from PP-RCT New material allows: а) to elevate water temperature or b) to increase pressure in system or c) to reduce wall thickness, which means increased flow of water and reduced weight of pipes. 100 % 120 % PP-R CLASSIC HOT FIBRE SDR 6 (S 2,5) SDR 7,4 (S 3,2)

6 Pipe structure 4 layer pipes: PP-RCT/PP-RCT+GF/PP-RCT/PP-R

7 Pipes structure (2) 4 layer pipes: PP-RCT/PP-RCT+GF/PP-RCT/PP-R 1st layer provides resistance to higher temperatures and pressures 2nd layer provides linear expansion + provides resistance to higher temperatures and pressures 3rd layer provides resistance to higher temperatures and pressures 4th layer keeps common colour of over all T3S System

8 A choice between SDR 7,4 and SDR 6 SDR 7,4 (S 3,2) SDR 6 (S 2,5) Higher flow of water Р max = 8 bar Lower flow of water Р max = 10 bar

9 Pipe characteristics HOT FIBRE SDR 7,4 (S 3,2) 4 layer pipe Exterior layer is made of standard PP-R material to keep the same colour for the whole T3S System Recognition by one dark-grey strip Maximum long-term temperature 90 C at a pressure of 8,5 bar (according to DIN 8077) Stability at a pressure of 8 bar in the 5th application class according to draft of new European standard publication EN (heating T max = 90 C)

10 Pipes characteristics HOT FIBRE PLUS SDR 6 (S 2,5) 4 layer pipe Exterior layer is made of standard PP-R material to keep the same colour for the whole T3S System Recognition by two dark-grey strips Maximum long-term temperature 95 C at a pressure of 8,7 bar (according to DIN 8077) Stability at a pressure of 10 bar in the 5th application class according to draft of new European standard publication EN (heating T max = 95 C)

11 Comparison of temperatures and pressures in pipes made from PP-R, Stabi, PP-RCT (water pipeline, DIN 8077) Water pipeline safety factor 1,25 Temperature Operation Maximum admissible working pressure (bar) ( C) time PPR PPR PPR Stabi Fibre Hot Fibre Hot Fibre Plus (years) SDR 11 SDR 7,4 SDR 6 SDR 7,4 SDR 6 SDR 7,4 SDR ,1 33,4 42,1 42,1 42,1 36,2 45,6 5 19,8 31,5 39,7 39,7 39,7 35,1 44, ,3 30,7 38,6 38,6 38,6 34,7 43, ,7 29,7 37,4 37,4 37,4 34,1 42, ,2 28,9 36,4 36,4 36,4 33,6 42,3 1 18,0 28,5 35,9 35,9 35,9 31,5 39,7 5 16,9 26,8 33,7 33,7 33,7 30,5 38, ,4 26,1 32,8 32,8 32,8 30,1 37, ,9 25,2 31,7 31,7 31,7 29,6 37, ,4 24,5 30,9 30,9 30,9 29,2 36,7 1 15,3 24,2 30,5 30,5 30,5 27,3 34,4 5 14,3 22,7 28,6 28,6 28,6 26,4 33, ,9 22,1 27,8 27,8 27,8 26,0 32, ,4 21,3 26,8 26,8 26,8 25,5 32, ,0 20,7 26,1 26,1 26,1 25,1 31,6 1 13,0 20,6 25,9 25,9 25,9 23,5 29,6 5 12,1 19,2 24,2 24,2 24,2 22,6 28, ,8 18,7 23,5 23,5 23,5 22,3 28, ,3 18,0 22,6 22,6 22,6 21,8 27, ,0 17,4 22,0 22,0 22,0 21,5 27,1 1 11,0 17,4 21,9 21,9 21,9 20,1 25,3 5 10,2 16,2 20,4 20,4 20,4 19,3 24, ,9 15,7 19,8 19,8 19,8 19,0 23,9 25 9,5 15,1 19,0 19,0 19,0 18,6 23,4 50 9,2 14,7 18,5 18,5 18,5 18,3 23,0 1 9,2 14,7 18,5 18,5 18,5 17,0 21,4 5 8,6 13,6 17,2 17,2 17,2 16,3 20, ,3 13,2 16,6 16,6 16,6 16,0 20,2 25 8,0 12,7 16,0 16,0 16,0 15,7 19,8 50 7,7 12,3 15,5 15,5 15,5 15,4 19,4 1 7,8 12,3 15,5 15,5 15,5 14,3 18,0 5 7,2 11,4 14,4 14,4 14,4 13,7 17, ,0 11,1 13,9 13,9 13,9 13,5 16,9 25 6,0 9,6 12,1 12,1 12,1 13,1 16,5 50 5,1 8,1 10,2 10,2 10,2 12,9 16,2 1 6,5 10,3 13,0 13,0 13,0 11,9 15, ,7 9,1 11,5 11,5 11,5 11,4 14,4 10 4,8 7,7 9,7 9,7 9,7 11,2 14,1 25 3,9 6,2 7,8 7,8 7,8 10,9 13,7

12 Comparison of temperatures and pressures in pipes made from PP-R, STABI, PP-RCT Temperature and pressure in heating pipeline (according to DIN 8077, SF = 1,5): Maximum admissible working pressure [bar] Temperature Operating time PPR Stabi Fibre Hot Fibre Hot Fibre Plus ( C) (years) SDR 6 SDR 7,4 SDR 6 SDR 7,4 SDR ,9 12,9 12,9 11,9 15,0 5 12,0 12,0 12,0 11,4 14, ,6 11,6 11,6 11,2 14, ,0 10,0 10,0 10,9 13,8 50 8,5 8,5 8,5 10,7 13,5 1 10,8 10,8 10,8 9,9 12, ,6 9,6 9,6 9,5 12,0 10 8,1 8,1 8,1 9,3 11,7 25 6,5 6,5 6,5 9,1 11,4 1 9,7 9,7 9,7 9,0 11, ,1 8,1 8,1 8,7 10,9 10 6,8 6,8 6,8 8,5 10,7 1 9, ,9 10 8,7

13 Application terms of system according to EN Application Design Time Maximum Time Temperature of Time class temperature at design at malfunction at Field of use T D Т D temperature T max Т max T mal Т mal C years C years C hours Hot water supply (60 С) Hot water supply (70 С) 20 2,5 Foor heating and , low temperature radiators High temperature radiators 80 10

14 Comparison of thermal linear expansion in pipes made from PP-R, STABI, PP-RCT Coefficients of linear expansion (mm/m C):

15 Application of pipes made from PP-RCT Hot Fibre pipes SDR 7,4 perfect for family houses Hot Fibre Plus pipes SDR 6 - perfect for block of flats

16 Welding process Welding process is the same as for one-layer pipes made from PP-R. Rules for welding are shown in the Technical manual or in technical standard DVS 2207 Pipes don`t require special manipulations contrary to STABI pipes

17 Thank you for your attention OK IPEX a.s.