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Rectangular Pressure-Tight Door TT7.30 with Central Lock

Access door for containers, especially in the field of potable water supply, pressure-tight up to a water gauge of 30 m

Pressure-tight door, pressure-tight up to a water gauge of 30 m, opening to the pressure side, ready for installation, to be lined on both sides (wall thickness ≥ 300 mm), rectangular, completely made from 1.4404 (AISI 316 L) stainless steel, statically certified.

Door, curved convex design with frame reinforcements to ensure that the acting pressure forces can pass into the door frame via the circumferential frame. With circumferential special silicone seal, suitable for potable water, ozone resistant, certified to KTW and DVGW W 270 standards. Locking crank handles operable both from the door outside and, for safety reasons, also from the pressure side while the reservoir is empty.

Frame, circumferential with one centre and two side gaskets, provided for embedding in concrete. Frame with lifting eyes.
Frame and door shielded arc-welded and acid bath cleaned before washing, drying and surface passivation.
 

    HUBER Rectangular Pressure-Tight Door TT7.30 with Central Lock
    Rectangular Pressure-Tight Door TT7.30 with Central Lock, pressure-tight up to a water gauge of 30 m
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    Options

    • Frame for retrofitting. Space requirements for the frame: 180 mm, circumferential frame on four sides. Prerequisite is a plane inner wall surface, tolerance: ± 1 mm per metre
    • Sanding of frame parts in contact with concrete
    • Vent holes in the frame
    • Door opening options: Hinges on left or on right

    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.

    The maximum water column a HUBER pressure door can withstand is 30m. We can offer and use the HUBER Pressure-Tight Door TT7.30 for this purpose.

    HUBER SE offers three different types of closure for its pressure-tight doors. Locking levers, central closures and screw closures.

    Case Studies

    HUBER Solutions in Operation

    img-casestudy-15-12-inbetriebnahme-echthausen-01
    01/12/2015 Echthausen, Germany

    First HUBER TT7-30 pressure doors installed at Echthausen waterworks

    Echthausen waterworks is currently being supplemented by an additional building. HUBER participated in the conversion...

    Continue reading
    img-casestudy-15-10-neue-drucktuer-tt7-30-01-teaser
    14/10/2015

    New Pressure Door model to withstand even higher pressures!

    Pressure doors? Hasn't HUBER been producing these for a long time and in large numbers? Yes, that's right - namely since...

    Continue reading
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