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Water stop

Water stops are used to protect the isolation of the pipeline end from water leaks or humidity accumulations in correspondence of the transition from pre-insulated pipelines to uncoated pipes.

TECHNICAL PROPERTIES
   Raw material
PEX
   Adhesive Pre-applied hot-melt
   Standard package
LDPE foil
wstop-dwg
wstop
DIMENSIONS
D [mm]DEHDPE [mm]DNST [mm]D1 [mm]D2 [mm]L1 [mm]L2 [mm]
90 90  25 105 45 60 40
110 110  32 - 40  125  65  60 40
125 125  50  140  76  60 40
140 140  65  156  95  60 40
160 160  80  178  105  80 50
200 180 - 200 80 - 100  220  128  80 50
225 225  125  245  155  80 50
250 250  150  270  185  80 50
315 280 - 315 150 - 200 335  136  80  50
400 355 - 400 200 - 250 420  290  80  50
450 450 300 475  340  80  50
500 500 350 520  375  100  70
560 560 400 580  475  100  70
630 630 450 650  530  100  70
REFERENCE STANDARDS
   EN 489 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene