Install Instructions

IM-MP 724992 0117
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
3.3.1 No-stop couplings .........................................................8
3.4 Pressing requirements ...........................................................9
3.4.1 Minimum distance between ttings ............................................9
3.4.2 Pressing in tight quarters ....................................................9
3.4.3 Minimum space requirements for the press tting process in front of and behind
components .............................................................10
3.4.4 Pressing with ring and actuator in tight quarters .................................11
3.5 Welding requirements ..........................................................12
3.5.1 Welding adjacent to Viega MegaPress ttings ...................................... 12
3.5.2 Welding in line with Viega MegaPress ttings .......................................... 12
3.6 General installation requirements .................................................12
3.6.1 Expansion ...............................................................12
3.6.2 Electrical bonding .........................................................12
3.6.3 Piping exposed to freezing temperatures ......................................12
3.6.4 Corrosion protection ......................................................12
3.6.5 Concealed spaces ........................................................12
3.6.6 Underground installations ..................................................12
3.6.7 Pressure testing ..........................................................12
3.6.8 Transition connections .....................................................12
3.6.9 Pipe hangers ............................................................13
3.7
Deection ....................................................................... 13
3.8 Identication .................................................................13
3.9 Viega MegaPress tting system ½" to 2" installation ..................................14
3.10 Viega MegaPressG tting system ½" to 2" installation ................................15
4 Warranty ........................................................................19