MASTER-Ring gasket insert Ø 250 mm
for medium pipes Ø 174-181 mm

article number 120210

MASTER-RING gasket inserts

Water pressure test Radontight

for core drill and lining pipe stainless steel - tested by MPA

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article number:
120210
article group:
440 - RRD
GTIN:
4251689528316
customs tariff number:
84842000
packing unit:
pc
sales quantity unit:
1 Stk
weight per:
pc = 2.6 kg
material:

rubber: EPDM
sealing width: 40 mm

pressure plates, screws, nuts: V2 A

colour:
rubber: black
pressure plates: silvery
thread size:

M8

wrench size:

13 mm

max. torque:

10 Nm (at form stable media-pipes)

thermal scope of application:
ca. -30° C up to +120° C
waterpressuretightness:
up to 3,0 bar ( without position protection)
up to 5 bar ( with position protection on site)
storage:
Store in a dry place out of direct sunlight
disposal:
Can be disposed of at municipal waste landfill sites, taking into account the local waste disposal regulations.

Supply takes place completely ready to be installed.
The MASTER-RING gasket insert consists of two pressure plates, a rubber part and the appropriate screws and nuts.
The pressure plates, the screws and the nuts are made of V2A stainless steel.


Before installation the MASTER-RING gasket insert, the inside of the core drill hole and the outside of the gas, water, sewage pipes as well as the cables have to be cleaned.


When installing a MASTER-RING gasket insert in a core drill hole the inside of the core drill hole has to be preserved with an epoxy resin ( PROTECT EP resin).
The preservation serves to obtain a smooth surface and secondly as protection of the cut reinforcement steels against corrosion.


Insert the MASTER-RING gasket insert into the lining pipe or the perserved core drill hole and push the pipe/cable through.
The MASTER-RING gasket insert must be installed as close as possible to the outside of the wall ( earth-side, water-side).
Take care that the nuts can be controlled and retightened later.
The nuts have to be placed on the air-side.


Tighten the screws crosswise through one turn.
Repeat this process until all screws are tightened to the specified max. torque.
This procedure guarantees uniform pressing out of the rubber against the inside of the lining pipe / core drill hole.
Check the torque after 1-2 hours and retighten the screws if necessary.

Status: 23.03.2022


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