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Round Pressure-Tight Door TT7.R with Screw Locks

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Access door for containers, especially in the field of potable water supply

Pressure-tight door, pressure-tight up to a water gauge of 10 m, opening to the pressure side, ready for installation, to be lined on both sides, round, completely made from 1.4404 (AISI 316 L) stainless steel, statically certified.

Door, bent for increased pressure capacity. With circumferential square silicone seal, suitable for potable water, ozone resistant, certified to KTW and DVGW W 270 standards. Locking with the help of screw locks operable only from the dry side. With stable maintenance-free hinge plates between the door and frame.

Frame, designed as an access duct cover with a centrally welded wall flange. Frame with lifting eyes. Frame and door shielded arc-welded and acid bath cleaned before washing, drying and surface passivation.

    HUBER round pressure-tight door TT7.R with screw locks
    HUBER round pressure-tight door TT7.R with screw locks
    HUBER pressure-tight door TT7.R, round
    HUBER pressure-tight door TT7.R
    Inside view of HUBER pressure-tight Door TT7.R, round
    Inside view of HUBER pressure-tight Door TT7.R
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    • Frame, for retrofitting, space required for the frame: 150 mm, circumferential. Prerequisite is a plane inner wall surface, tolerance: ± 1 mm per metre.
    • Pressure door for round tanks (only possible for setting in concrete)
    • Centrally installed inspection window, inside diameter: 150 mm, with or without window wiper
    • Door opening options: Hinges on left or on right
    • Installed LED underwater spotlight
    • Installed cylinder lock (operable from one side)
    • Sanding of frame parts in contact with concrete
    • Sampling valve on external door surface
    • Provided for welding to the PE coating
    • Potential equalisation on the frame
    • Completely made of 1.4307 (AISI 304 L) stainless steel

    FAQ

    Frequently Asked Questions

    Pressure-tight doors are optimally suited for use in drinking water reservoirs. They offer optimum tightness so that no drinking water can escape. The pressure-tight door is therefore also ideal as a maintenance opening when the reservoir is being cleaned. Of course, the seal and other components are also certified for use in drinking water applications.

    Security doors, on the other hand, are specially designed for the drinking water supply of buildings with burglar alarm systems.

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