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Megapress

General

Flow-​optimised press connector system made of non-​alloy steel 1.0308 with an externally galvanised zinc-​nickel coating for black, galvanised, industrially painted and powder-​coated steel pipes. Press connectors with stainless steel cutting ring to ensure the mechanical strength of the connection. Suitable for concealed and pre-​wall installations of riser pipes and floor installations.

Marking
Manufacturer, pipe dimension, batch, black dot on press end, black rectangle with symbol »Not approved for potable water installations«, orange/black detachable label as press indicator

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    Megapress



    Press connector with SC‑Contur
    Inadvertently unpressed connections are noticed immediately during a leakage test.
    Viega guarantees the detection of unpressed connections in the following pressure ranges with water, compressed air or inert gases:
    min. water pressure: 0.1 MPa / 1 bar / 14.5 PSI
    max. water pressure: 0.65 MPa / 6.5 bar / 94.3 PSI
    min. air pressure: 22 hPa / 22 mbar / 0.3 PSI
    max. air pressure: 0.3 MPa / 3 bar / 43.5 PSI

    Sealing elements
    EPDM (ethylene propylene diene rubber), profile sealing element , black, pre-​assembled

    Dimensions
    D⅜–2, external Ø 38.0(DN32), external Ø 44.5 (DN40), external Ø 57.0 (DN50), size availability in accordance with the national regulations

    Tools
    The functional safety of Viega press connector systems depends primarily on the faultless condition of the press tools used. For the manufacture of press connections, Viega recommends the use of Viega press tools. Viega press tools have to be regularly maintained by authorised service partners.

    Areas of application
    Industrial and plant engineering
    Closed cooling and heating systems
    Compressed air systems
    Fire extinguishing and sprinkler systems (the required minimum and maximum wall thickness have to be observed)
    Systems for technical gases (request required)

    Note
    Use of the system for areas of application and media other than those described must be agreed in consultation with Viega! Detailed information about applications, restrictions and national standards and directives can be found in the product information, either printed or on the Viega website.

    Note – Standards and approvals
    Suitable for steel pipes in accordance with EN 10255, EN 10220 / EN 10216‑1, EN 10220 / EN 10217‑1.
    For use in heating systems, observe VDI Regulation 2035 and DIN EN 12828.
    Not suitable for fuel gases in accordance with DVGW Worksheet G 260 and potable water installations, as well as other open systems (exception model 4213.2 approved for potable water).

    Operating conditions
    operating temperature max. 110 °C / 230 °F
    operating pressure max. 1.6 MPa (PN16) / 16 bar / 232 PSI

    Material press connector
    Steel 1.0308
    silicon bronze: CC246E / CuSi4Zn9MnP

    Note – Protection against external corrosion
    Thanks to a zinc-​nickel coating the press connectors are optimally protected against corrosion – e.g. when condensation forms in cooling systems.
    The pipe being used should be protected with suitable corrosion prevention – observe manufacturer's information.
    Pipes and pipe connectors should be insulated in the same way in accordance with the general rules of engineering.

    Pressure gradient calculator
    Web application for quick and simple calculation of piping dimensions for potable water, heating and gas supply lines with associated pressure loss tables across the entire system.

    Subject to change without prior notice!
    Latest Z- and installation dimensions as well as further technical information can be found on the Viega website and have to be checked before purchase, planning, construction work and use. Our products are continuously optimised.

    This product description contains important information on choice of product and system, mounting, commissioning as well as intended use and, if required, on maintenance measures. This information on products, their features and application techniques is based on currently valid standards in Europe (e.g. EN) and/or in Germany (e.g. DIN/DVGW). Some passages in the text may refer to technical regulations in Europe/Germany. These should be considered as recommendations for other countries where no corresponding national requirements exist. The relevant national laws, standards, regulations, directives and other technical provisions take priority over the German/European directives specified in this product description: The information herein is not binding for other countries and regions and should be understood as recommendation.

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