Viega Megapress Instructions For Use Manual Download Page 19 | Manualshive

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black, not coated

galvanised (maximum external diameter in acc. with

Ä

Chapter 2.3.2

„Pipes“ on page 9)

industrially painted or powder-coated (maximum external diameter in
acc. with

Ä

Chapter 2.3.2 „Pipes“ on page 9)

Pipe surfaces must be treated around the press connection if they
exhibit the following characteristics:

Handling

Megapress

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Summary of Contents for Megapress

Page 1: ...Year built from 10 2014 en_INT Megapress Instructions for Use ...

Page 2: ...Megapress 2 from 32 ...

Page 3: ...15 2 3 5 Markings on components 15 2 4 Information for use 16 2 4 1 Corrosion 16 3 Handling 17 3 1 Transport 17 3 2 Storage 17 3 3 Assembly information 17 3 3 1 Mounting instructions 17 3 3 2 Potential equalisation 22 3 3 3 Permitted exchange of sealing elements 22 3 3 4 Space requirements and intervals 22 3 3 5 Required tools 25 3 4 Assembly 27 3 4 1 Replacing the sealing element 27 3 4 2 Shorten...

Page 4: ...sible operating instructions The installation of Viega products must take place in accordance with the general rules of engineering and the Viega instructions for use 1 2 Labelling of notes Warning and advisory texts are set aside from the remainder of the text and are labelled with the relevant pictographs DANGER This symbol warns against possible life threatening injury WARNING This symbol warns...

Page 5: ...N and or in Germany e g DIN DVGW Some passages in the text may refer to technical codes in Europe Germany These should serve as recommendations in the absence of corresponding national regulations The relevant national laws stand ards regulations directives and other technical provisions take priority over the German European directives specified in this manual The information herein is not bindin...

Page 6: ...linie 2035 Sheet 1 and Sheet 2 Scope Notice Regulations Differentiation of pipe types and pipe series DIN EN 10255 Requirements in steel pipes Boiler pipe quality DIN EN 10220 Requirements in steel pipes Boiler pipe quality DIN EN 10216 1 Requirements in steel pipes Boiler pipe quality DIN EN 10217 1 Fixing interval between the pipe clamps VdS CEA 4001 Scope Notice Regulations Area of use of the E...

Page 7: ...00 26 2 2012 04 Table A 1 Scope Notice Regulations applicable in Ger many Test on a system that is finished but not yet covered DIN EN 806 4 Leakage test for water installa tions ZVSHK Merkblatt Dichtheitsprüfungen von Trink wasserinstallationen mit Druckluft Inertgas oder Wasser Pressure test in sprinkler systems VdS CEA 4001 Chapter 17 Requirements in filling and top up water VDI 2035 2 2 Intend...

Page 8: ... from section Fields of application on page 6 n Compressed air systems n Cooling water pipelines closed circuit n Systems for technical gases on request 2 2 2 Media The system is suitable for the following media amongst others For the applicable directives see Ä Regulations from section Media on page 6 n Heating water for closed pump hot water heating systems n Compressed air dry in compliance wit...

Page 9: ...mentioned in the table must not be exceeded The standard differentiates between heavy pipe series H and medium pipe series M or between pipe type L L 1 and L 2 Seamless pipes and pipes welded along the longitudinal seam belong to the different pipe series and pipe types see Ä Regulations from section Pipes on page 6 Threaded pipe quality heavy series H and Medium series M Thread size inch Nominal ...

Page 10: ...r mm Min external diameter incl coating mm Max external diameter incl coating mm Wall thickness mm 10 17 2 16 7 17 4 2 0 15 21 3 21 0 21 7 2 3 20 26 9 26 4 27 1 2 3 1 25 33 7 33 2 34 0 2 9 1 32 42 4 41 9 42 7 2 9 1 40 48 3 47 8 48 6 2 9 2 50 60 3 59 6 60 7 3 2 Threaded pipe quality pipe type L 2 Thread size inch Nominal width DN Nominal external diameter mm Min external diameter incl coating mm Ma...

Page 11: ...1 8 2 0 5 0 1 4 4 5 20 26 9 26 4 27 4 2 0 8 0 1 4 5 0 1 25 33 7 33 2 34 2 2 3 8 8 1 4 8 0 1 32 42 4 41 9 42 9 2 6 10 0 1 4 8 8 1 40 48 3 47 8 48 8 2 6 12 5 1 4 8 8 2 50 60 3 59 7 60 9 2 9 16 0 1 4 10 0 1 see Ä Regulations from section Pipes on page 6 Only pipe clamps with chloride free sound insulating inlays should be used to secure the pipes Observe the general rules of fixing technology n Do no...

Page 12: ...ent on the mate rial Changes in length lead to tension within the installation These ten sions must be equalised with suitable measures The following are effective n Fixed and gliding points n Expansion equalisation joints expansion bends n Compensators Heat expansion co efficients of various pipe materials Material Heat expansion co effi cient mm mK Example Length expansion with pipe lengths L 20...

Page 13: ...gth expansion Δl can be taken from the diagram or can be cal culated using the following formula Δl mm mK L m x Δϑ K 2 3 3 Press connectors Press connectors are available in a number of shapes An overview of the press connectors suitable for the system can be found in the cata logue Product information Megapress 13 from 32 ...

Page 14: ... element from damage from the cutting ring Fig 5 SC Contur Viega press connectors are equipped with the SC Contur The SC Contur is a safety technology that is certified by the DVGW and ensures that the connector is guaranteed to be leaky in an unpressed state In this way inadvertently unpressed connections are noticed immediately during a leakage test Viega guarantees that unpressed connections ar...

Page 15: ...ent 25 mg m3 1 1 Consultation with the Viega Service Center required 2 see Ä Regulations from section Sealing elements on page 6 2 3 5 Markings on components The press connectors are marked with a coloured dot This identifies the SC Contur where the test medium would escape in the case of an inadvertently unpressed connection The black dot indicates that the system is not suitable for drinking wat...

Page 16: ...formation for use 2 4 1 Corrosion A zinc nickel coating protects Megapress press connectors against external corrosion e g in the case of arising condensation water in cooling systems Pipes must be equipped with suitable corrosion protection Observe the manufacturer s information Product information Megapress 16 from 32 ...

Page 17: ...ge 7 n Store components in a clean and dry place n Do not store the components directly on the floor n Provide at least three points of support for the storage of pipes n Where possible store different sizes separately Store small sizes on top of larger sizes if separate storage is not pos sible n To prevent contact corrosion store pipes of different materials sepa rately In addition observe the i...

Page 18: ... D 2 Pipe wall thickness min 2 6 mm max 3 3 mm Area of use piping network Wet sprinkler units n Piping network downstream of the alarm valve station Dry sprinkler units n Piping network downstream of the alarm valve station Fixing intervals 1 Firefighting water additives Generally not permitted excep tions only with the manufacturer s permission and prior agreement of the VdS 1 see Ä Regulations f...

Page 19: ...hapter 2 3 2 Pipes on page 9 industrially painted or powder coated maximum external diameter in acc with Ä Chapter 2 3 2 Pipes on page 9 Pipe surfaces must be treated around the press connection if they exhibit the following characteristics Handling Megapress 19 from 32 ...

Page 20: ...ing the maximum external diameter due to coating that has been addedÄ Chapter 2 3 2 Pipes on page 9 Bumps damage grooves corrosion or loose adhesions The following are examples of suitable tools for the work Wire brush Handling Megapress 20 from 32 ...

Page 21: ...f the pipe surface should be as shown in the following graphic In systems where complete corrosion protection is required e g cooling systems subsequently apply suitable corrosion protection to the previously processed pipe surfaces that are still uncovered after pressing Handling Megapress 21 from 32 ...

Page 22: ... sealing elements Important instruction With their material specific qualities sealing elements in press connectors are adapted for use with the corre sponding media and or the areas of use of the piping sys tems and are generally only certified for them The exchange of a sealing element is generally permitted The sealing element must be exchanged for a designated spare part for the intended appli...

Page 23: ...e requirement press rings D 2 D 1 1 2 a mm 60 75 95 105 105 b mm 75 85 125 135 140 Space requirement PT1 Type 2 PT2 PT3 EH PT3 AH Pressgun 4B 4E 5 D 1 a mm 35 35 40 50 b mm 80 80 90 105 c mm 50 50 55 65 Space requirement Picco Pressgun Picco D a mm 60 60 65 b mm 75 75 85 c mm 80 80 80 Pressing between pipelines Pressing between pipe and wall Handling Megapress 23 from 32 ...

Page 24: ... Press machine amin mm Type 2 PT2 20 Type PT3 EH Type PT3 AH Pressgun 4E 4B Pressgun 5 Picco Pressgun Picco 20 NOTICE Leaky press connections due to pipes being too short If two press connectors are to be mounted onto a pipe without an interval the pipe must not be too short If the pipe is not inserted up to the prescribed insertion depth in the press connector during pressing the connection may b...

Page 25: ...apress connectors may only be pressed with Mega press press rings and jaws Press rings and jaws from the metallic Viega press connector systems Profipress San press Sanpress Inox and Prestabo may not be used Possible combinations of press machines and press jaws Press machines Press jaws Type 2 PT2 PT3 EH AH Pressgun 4 5 D D 1 model 4299 9 Picco Pressgun Picco D D model 4284 9 Z dimensions Handlin...

Page 26: ...d adapter jaw P1 model 2496 1 The following tools are required for production of a press connection n pipe cutter or a fine toothed hacksaw or angle grinder or chopsaw with low cutting speed n deburrer and coloured pen for marking n press machine with constant pressing force n press jaw D 1 or press ring D 2 with corresponding adapter jaw suitable for the pipe diameter and with the proper profile ...

Page 27: ... ele ment see arrow There is a risk of injury cutting when replacing the sealing element Do not reach into the press connector with your bare hands Do not use pointed or sharp edged objects to remove the sealing element These could damage the sealing element or bead Remove the sealing element from the bead Proceed carefully to avoid damaging the sealing element seat Fig 10 Cutting ring Removing th...

Page 28: ...elements Do not use flame cutters when cutting to length Do not use grease or oils e g cutting oil For information about tools also see Ä Chapter 3 3 5 Required tools on page 25 Cut the pipe properly using a pipe cutter angle grinder or fine toothed hacksaw Avoid grooves on the pipe surface 3 4 3 Deburring the pipes The pipe ends must be thoroughly deburred internally and externally after shorteni...

Page 29: ...e in the vice When securing leave an interval of at least 100 mm a to the pipe end The pipe ends must not be bent or damaged Deburr the inside and outside of the pipe 3 4 4 Pressing the connection With the help of a wire brush cleaning fleece or sandpaper remove loose dirt and rust particles from the pressing area Handling Megapress 29 from 32 ...

Page 30: ...lement separator ring and cutting ring are undamaged n The complete sealing element separator ring and cutting ring are in the bead Measure insertion depth D Insertion depth mm 24 27 29 1 34 1 46 1 48 2 50 Mark the insertion depth Push the press connector up to the marked insertion depth on the pipe Do not twist the press connector Handling Megapress 30 from 32 ...

Page 31: ...d as having been pressed Place the adapter jaw onto the press machine and push the retaining bolt in until it clicks into place INFO Observe the press tool instruction manual Position the press ring on the connector The press ring must com pletely cover the outside ring of the press connector Position the adapter jaw into the seat of the press ring Check the insertion depth using the marking Ensur...

Page 32: ...e carried out for non drinking water installations see Ä Regulations from section Leakage test on page 7 Document the result To prevent corrosion the system must remain full of water after the leakage test has been performed For the filling and top up water comply with the require ments specified in the applicable regulations see Ä Regu lations from section Leakage test on page 7 3 5 Disposal Sepa...

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