fotocircolari - Round shafts DN.1000-1200 DIN 4034 - sewers-

Round shafts diameter 1000 and 1200 mm, with Forscheda fitting produced in compliance with standards DIN 4034 and prepared for the insertion of ladders in pig-iron DIN 1212 and or MSU ladders in polyethylene-coated steel extension height 250 – 500 – 1000 mm. Truncated cone element height 600 mm. Base elements diameter 1000 and 1200 mm, with internal coating in fibreglass (PRFV – GFK system) with slope and angles at 360 degrees and joints designed for pipes in: concrete – PVC – fabekun – gres – pig-iron – polyethylene – fibreglass etc.

Monolith:
Round shaft DN 1200 with conic reduction of height varying from 600 to 2000 mm a single monobloc.

ITEM OF CONTRACT SPECIFICATIONS

BASE ELEMENT FOR ROUND PREFABRICATED SHAFTS DN …….. (1000 or 1200) WITH INTERNAL COATING IN PRFV (FIBREGLASS REINFORCED POLYETHYLENE), WITH INTERNAL CHANNEL WITH ANGLES AND SLOPE ACCORDING TO CONTRACT SPECIFICATIONS INCLUDNG JOINTS DESIGNED WITH GASKETS ACCORDING TO THE TYPE OF PIPE USED (PVC, GRES, PIG-IRON, FIBREGLASS, FABEKUN, POLYETHYLENE, CEMENTO ETC.) – PRODUCTION WITH PLAIN CAST CONCRETE –

ITEM OF CONTRACT SPECIFICATIONS

SHAFT OF INSPECTION ROUND SECTION IN VIBRATION COMPRESSED CONCRETE WITH MINIMUM THICKNESS OF WALLS mm. 120 AND DIAMETER NET OF BASE OF mm 1000 OR 1200 REDUCED IN THE FINAL PART, BY A TRUNCATED CONE ON A FLAT WALL mm. 625.  THE VARIOUS ELEMENTS MUST BE PERFECTLY SEALED TOGETHER BY A FORSCHEDA F116 SBR RING. THE SHAFT MUST CONTAIN SLIP-PROOF PIG-IRON STEPS WITH FOOT SUPPOT POSTI PLACES ASKEW AT A DISTANCE OF 250 mm. ALL IN COMPLIANCE WITH STANDARDS DIN 4034

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