Access door for containers, especially in the field of potable water supply, pressure-tight up to a water gauge of 10 m.
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 (wall thickness ≥ 300 mm), rectangular, completely made from stainless steel, statically certified.
Registered design no. 298 01 144.1
Door, plate thickness: 5 mm thick, reinforced with U-shaped bent plate. Smooth door leaf on the pressure side. With circumferential square 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. With stable maintenance-free hinge plates between the door and frame.
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.
Note: Guarantee for tightness between the frame and concrete is only provided if the concrete structure is homogeneous all around the circumference. The minimum concrete quality and corresponding concrete classes are to be determined by the customer. In the case of frames for retrofitting, the manufacturer’s specifications for the fixing material must be observed.