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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber test cap

Rubber test cap

One of the essential things a plumber must do when installing a water tubing system is to test it if it’s working correctly. These tests are done to determine the water tubing system’s capacity for handling water pressure and flow. If these tests are not done correctly, it can result in a shabby tubing installation that can break down any moment and flood your house. It can be a nightmare for both the consumer in whose house the tubing was installed and for the plumber who installed it. 

Plumbers and tubing installers take several measures to avoid this scenario. One method can be checking the reports of the previously installed tubing, but it can be outdated information. The second method is getting the water pressure tested by a government authority, but it can be too time-consuming and also costs a lot. That’s why most plumbers end up using a component that is not only efficient but also cost-effective – a rubber test cap. 

A rubber test cap can do wonders for you if you are installing a new tubing system. The function of a rubber test cap is to test the effectiveness of a tubing system by placing itself in a pipe just before a water tap. This way, when the water tap is opened, and water flows out, your rubber test cap can help you determine if the tubing is adequate to handle the water flow and pressure. If it’s not, the rubber test cap will either break or block the water flow from flowing further. 

This works wonders for plumbers and their clients since they won’t have to use other costly options, and their plumber can check everything is in order by himself. It’s also relatively easy to install if you have experience working with pipes, though it is not recommended to do so for ordinary people who have never worked with a tube in their entire life. 

Rubber Cap Size Catalog

Compare the internal and external dimensions of rubber caps against the part being covered.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

Rubber Caps-RSE

Compare A (inner diameter), B (outer diameter), C (inner depth) and D (total height), in mm.

Dimension guide
Rubber cap — A inner diameter, B outer diameter, C inner depth, D total height
Profile reference. Use the dimension letters and units in the selected table and confirm the part drawing.
Product appearance
Rubber Caps-RSE — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
Part No.ABCD
RSE3.7-7-93.77911
RSE4.7-8-94.78911
RSE5.7-9-105.791012
RSE6.7-10-106.7101012
RSE7.7-11-117.7111113
RSE8.7-12-128.7121214
RSE9.7-14-139.7141315
RSE10.7-15-1410.7151416
RSE11.7-16-1511.7161517
RSE12.7-17-1512.7171518
RSE13.7-18-1513.7181518
RSE14.7-19-1514.7191518
RSE15.7-20-1615.7201619
RSE16.7-21-1616.7211619
RSE17.7-22-1617.7221619

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Discuss Your Requirements

Product specifications

Product form
Protective cover fitted over a component end
Application focus
Pipe or conduit ends. Size the part against the selected assembly.
Dimensions to confirm
Mating outside dimensions, cover depth, cavity and wall thickness. Match these to pipe or conduit ends.
Test arrangement
Define the test medium, pressure differential, duration and positive retention before choosing the closure.
Cover retention
Check the installed overlap and pull-off force on the actual end profile.

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