PIPE SPECIFICATIONS

Note:Upon requirement, nominal OD (size) is available upto 500 mm. Highlighted itemsare available upon request.

AVAILABLE SIZES, TYPES & PRESSURE CLASS

•  Pipe OD – 20 mm to 200 mm

•  Grade of material – PE 63,PE 80  & PE 100

•  SDR 6 to SDR 41

•  PN 2  to PN 8 (For PE 63), PN 2.5  to  PN 10 (For PE 80) and  PN 3 to PN 10   (For PE 100)

•  Black Colourwith 3 BlueStripes

 INSTALLATION PROCEDURE   BY  BUTTFUSION WELDING JOINING  METHOD

For Butt Fusion weldingjoint, to be applied  mechanical force  on  two  heating  surfacesby face-to-face. Weldingmust be of the samewall thickness and the endsmust be cut square. The integrity of joint is dependent on the cleanliness, temperature  control  and  designated  equipment  that  has  been   properly   maintained.

REQUIREMENT OFEQUIPMENTS FOR BUTTFUSIONJOINING

* Non stick   PTFE  coated  heating plate   with   thermostat  and  temperature  indicator

* Chamfering tool • Electro-hydraulic  power pack  unit  with  pressure  indicator, bypass arrangement  and  accumulator (for sizes greaterthan 125 mm)

BUTT-WELDING (PROCEDURE)

Butt welding is normally used to weldPolyethylene piping systems. In this typeof welding, fusionareas like endsurfaces of pipeor fitting is heated and joined by applying mechanical pressure.

1.                                   Cleaning – Properly cleanthe pipe or fitting surfacesas well as heating plat                          

                                       Alignment – Gap betweentwo surfaces of the partsto be joined should not exceed 0.5mmat any point.If the gap exceeds, machining and proper alignment is recommende 

                            Heating – Ideal  temperature of  heating  plateis between 200°to 220°C. Once  the  temperature is attained, position the heatingplate in the butt weldingmachine

4.                                  Apply pressure – Two  surfaces  must  be  pressed  against  the heatingelemen t with  the  adequate  force  until  the  entire circumference  of  each  part rests  completely  against  the  heating  element  until  the  beadis                                                                                                                                                                                                            formed

5.                                  Joining- After the recommended heatingtime, remove the heating platesand push the heated pipeends together immediately with adequatepressure to forma joint

                    Cooling – Allow therecommended time forcooling as perthe pipe sizeto get the required strength (Kindly refer the table forstandard heating and cooling ti