USE Removable seal for inspecting pits made of concrete or other material with finish matching the surrounding pavement. Complete with TTQST 8 × 80 bolts.
EXAMPLE porphyry, tiles, wood, carpeting, concrete, etc.
LIFTING lifting system with central screw
MATERIAL Fe P04 UNI EN 10130 – “Fe 360 B”
FRAME 10/10 thick metal sheet up to S2L 353, 15/10 thick for all other sizes
FRAME 15/10 thick metal sheet up to S2L 353, 18/10 thick for all other sizes
SURFACE TREATMENT Cold-rolled pre-galvanized frame according to UNI 4721 standards