ALUMINUM MANHOLE COVER 620X620 CLEAR OPENING 520X520, AIRPIPE

Aluminum maintenance hatch for the manhole cover opening. The maintenance hatch includes a ventilation pipe and a ventilation pipe cap. The outer dimension of the hatch frame is 620x620 mm, and the inner dimension is 520 x 520 mm. The hatch is suitable for installation into an opening of 520 x 520 mm. The maintenance hatch is hinged and equipped with a locking latch for securing. The ventilation pipe is made of aluminum (Ř 75 mm), and the ventilation pipe cap is made of plastic. Thanks to its lockable feature, the product is a safe maintenance hatch for manhole covers. The product is attached to the concrete cover using concrete screws or adhesive sealant (not included with the product). The product is manufactured in Finland and has been awarded the Key Flag label. This product description is an automated translation of the original Finnish description.