Drain Expanding Stoppers

These expanding stoppers are used for evening closings and low pressure sealing.
Two versions are available:
-Type L/1 with one sealing ring
-Type L/2 with two sealing rings.

Technical characteristics:
-Flanges in formed steel with tropicalized supply.
-Rubber ring with semi-circular profile
-Central exhaust with threaded plug

Available diameters:
-Type L/1 from DN 40 to DN 150 with threaded fitting DN 1/2'
from DN 175 to DN 350 with threaded fitting DN 1'

-Type L/2 from DN 40 to DN 150 with threaded fitting DN 1/2'
from DN 175 to DN 600 with threaded fitting DN 1'