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Overall top of frame size (when looking as drawing) = clear opening +133 mm (51⁄4”). The 2 sides not shown above are 60mm (23⁄8”),
so the clear opening to overall dimension in that plane is + 120mm (43⁄4”) e.g. 600 x 600 mm (235⁄8 x 235⁄8”) clear opening = 733 x 720 mm (287⁄8 x 283⁄8”) overall top of frame.
trapdoors_type aluminum flap series HSE 75 line Premium-Line performance up to 5t description_weight A HSE 75 series access hatch when filled and installed correctly will require a maximum force of 20kg (45 lbs) to open. Performance Note: Trucks with small wheels and solid tyres, may limit sizes to less than the stated maximum span. Alternatively, greater spans may be used, but at reduced loadings. material aluminium trapdoor_thickness 75 assisted opening assisted lift spring option Double Seal. 3 hour fire rating to BS 476: Part 20: 1987 available; ask for indicative test report. Under side release hatch. spezification cars and easy vans, hard floor covering, single flap and access panel Floor finish befüllbar variants_trapdoor access panel, single flap
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