Install Instructions

IM-MP 724992 1014
3
Contents
1 System Description
1.1 Viega MegaPress ...............................................................4
1.1.1 Approvals and certications .....................................................4
1.1.2 Codes ..................................................................4
1.2 Viega MegaPressG .............................................................4
1.2.1 Approvals and certications .................................................4
1.2.2 Codes ..................................................................4
1.3 Fitting description ..............................................................4
1.3.1 Viega Smart Connect feature ................................................5
1.3.2 Testing .................................................................5
1.3.3 Sealing elements .........................................................5
1.3.4 Fitting markings ..........................................................6
1.4 Applications ...................................................................6
2 Tools
2.1 Tools ........................................................................7
2.2 Pressing tools .................................................................7
3 General Installation Instructions
3.1 Pipe selection .................................................................8
3.2 Handling instructions ............................................................8
3.3 Pipe preparation ...............................................................8
3.4 Pressing requirements ...........................................................8
3.4.1 Minimum distance between ttings ...........................................8
3.4.2 Pressing in tight quarters ...................................................8
3.4.3 Minimum space requirements for the press tting process in front of and behind
components ............................................................9
3.4.4 Pressing with ring and actuator in tight quarters ................................10
3.5 Welding requirements ..........................................................11
3.5.1 Welding adjacent to Viega MegaPress ttings ..................................... 11
3.5.2 Welding in line with Viega MegaPress ttings ......................................... 11
3.6 General installation requirements .................................................11
3.6.1 Expansion ..............................................................11
3.6.2 Electrical bonding ........................................................11
3.6.3 Piping exposed to freezing temperatures ......................................11
3.6.4 Corrosion protection ......................................................11
3.6.5 Concealed spaces .......................................................11
3.6.6 Underground installations .................................................11
3.6.7 Pressure testing .........................................................11
3.6.8 Transition connections ....................................................11
3.6.9 Pipe hangers ............................................................12
3.7 Viega MegaPress installation requirements ............................................. 12
3.7.1 Rotating a pressed tting ..................................................12
3.7.2 Deection ..............................................................12
3.8 Identication .................................................................12
3.9 Viega MegaPress tting system ½" to 2" installation ..................................13
4 Warranty ...............................................................................15