Test pipe sealing cushions for leak tests

Test Pipe Seal Cushions are suitable for leak tests according to DIN EN 1610 in sewers, pipelines and drainage systems with water or air. EPUTEC offers different designs for different tasks and pipe profiles. Our test pipe stoppers are equipped with quick couplings and flanges to allow the connection of accessories.

The test pipe stoppers & shut-off plugs offered here are made of expandable material (except for the conical pipe stoppers) and can be filled with liquid or air.


Standard Test Pipe Seal Pads

Model PU

Test pipe sealing pads for sealing and testing of sewers, pipelines and drainage inlets. Our test pipe stoppers were developed for leak tests on newly laid and renovated pipelines with air and water according to DIN EN 1610. Available are diameters from 70 – 1200 mm.

Standard Prüfblasen Tapasan

Pipe test plugs Eputec

Test bladders have a bypass system to check the tightness of pipelines. We offer pipe test Plugs in various sizes, made of robust SBR + NR mixed rubber, nylon and Kevlar threads as well as strength fabric. The temperature range is between -30° C and +70° C. Tested at 1.3 times the working pressure. Different models for application areas / pipe diameters from 35 – 2200 mm available from us. Their biggest advantage is that they reach the high friction force rate in the working pressure grasping the pipe diameter at very low pressures.

Flexible Prüf-Rohrdichtkissen

Flexible Test pipe seal cushions

Model PU-F

Model PU-F is a light and flexible test pipe seal cushion without a metal core. It is suitable for the reliable sealing and testing of sewers, pipelines and drainage inlets. Available for various pipe diameters from 70 – 1600 mm.

Kurze Prüf-Rohrdichtkissen

Short Test pipe seal pads

Model PUK

Short passage pipe sealing pad PUK for testing and sealing in short or angled pipes and inlets. Available in diameters from 50 – 400 mm.

Eiprofil Prüf-Rohrdichtkissen

Egg profile test pipe seal cushion


Egg-shaped pipe sealing pads for sealing and testing larger diameters of egg-shaped channels. Due to the cushion shape of the sealing cushions, they are easier to insert into the sewer system and thus seal larger diameters. Available in diameters from 300 – 1350 mm.

Prüf-Dichtkissen in Kissenform

Test sealing cushions in pillow form

Model UP-PUP

Cushion-shaped pipe sealing cushions are particularly suitable for large-area sealing and testing of sewage and rain sewers, as their shape allows them to be introduced into the sewers through the manhole. Our test sealing cushions in cushion form contain a Kevlar insert and are available in versions for various pipe diameters from 1000 – 2200 mm.


Manhole test sealing pad

Model US

Manhole test sealing pads are used for manhole tests according to DIN EN 1610 with air pressure and vacuum. Easy handling due to light, short construction. Available for various pipe diameters from 600 – 1050 mm.

Schachtblasen / Prüfstopfen Typ Tapasan

Manhole test plugs Eputec

Manhole test plugs are short test plugs used for testing manholes.They are made from SBR+NR mixed rubber and strong fabrics. Manhole test plugs are able to run between -30°C and + 70°C. They are tested at 1.3 times the working pressure and have ultrahigh bursting pressure. Various sizes for pipe diameters from 600 – 850 mm are available from us.

Konus Prüf-Rohrdichtkissen

Cone Test Pipe Seal Cushion

Model PULK

Due to their low weight and foldability, Cone Seal Cushions can be used flexibly in almost all pipe profiles, such as egg-shaped profiles, open U-profiles, kidney-shaped profiles, Linzer profiles, kite profiles, mouth profiles, circular and square profiles. Available are diameters from 150 – 2200 mm.