Working conditions
Identify temperature, contact fluids and repeated movement.
Custom manufacturing example · Silicone rubber end cap sealing cover for pipe
CUSTOM RUBBER & SILICONE MANUFACTURING
Silicone rubber end cap sealing cover for pipe
A custom component for your assembly.
Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.
- Factory direct
- Made to order
- Drawing & sample support
Share the part, its application and your estimated quantity.
Customize the fit, material and finish
Material & hardness
Selected for the contact, temperature and movement
Color & finish
Define the visible surfaces and intended color
Shape & dimensions
Develop holes, lips and walls around the mating parts
Mounting & fit
Match the attachment and installation method
Product Overview
A silicone rubber end cap covers a pipe opening with a profile developed around the pipe's outside surface and end geometry. Internal depth should leave the required space for the pipe end while the sidewall reaches its intended engagement. A cap that bottoms out too soon can appear fitted while retaining only a short contact length.
Custom size, hardness, color and compound options can match the application. Define the medium and operating conditions if the cap is intended to seal rather than simply protect during handling. Any pressure requirement needs assessment of the complete cap, pipe and retention arrangement.
Inspect the pipe edge for burrs and remove particles from the cap cavity before fitting. Seat the cap evenly without rolling the wall at one side. After removal, examine the inside for localized cuts or contact marks that indicate an unsuitable depth. Keep replacement caps protected from deformation during storage. If the closure repeatedly shifts during use, review its engagement and surrounding forces rather than pressing the same cap farther onto the pipe.
- Material options
- Custom silicone compound; formulation and geometry developed together.
- Hardness selection
- Silicone options: 20–80 Shore A. Any pressure requirement needs assessment of the complete cap, pipe and retention arrangement.
- Custom geometry
- Internal depth should leave the required space for the pipe end while the sidewall reaches its intended engagement.
- Fit evaluation
- Seat the cap evenly without rolling the wall at one side.
- Color & OEM
- Custom colors; OEM identification positioned outside closure contact surfaces.
Photos illustrate structure or material appearance only. A silicone rubber end cap covers a pipe opening with a profile developed around the pipe's outside surface and end geometry. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.
FIND THE RIGHT FIT
End Cap Size Catalog
Compare inside diameter A with the outside of the part being covered. Check inside depth C and overall dimensions B and D for available clearance. These RSE references show a round cap with one closed end.
RSE End Caps
43 closed-end cap sizes. A is the inside diameter and C is the usable internal depth; B and D describe the outside envelope.
DIMENSION GUIDE
PRODUCT APPEARANCE
| P/N | A | B | C | D | Color | Unit |
|---|---|---|---|---|---|---|
| RSE3.7-7-9 | 3.7 | 7 | 9 | 11 | black,white | mm |
| RSE4.7-8-9 | 4.7 | 8 | 9 | 11 | black,white | mm |
| RSE5.7-9-10 | 5.7 | 9 | 10 | 12 | black,white | mm |
| RSE6.7-10-10 | 6.7 | 10 | 10 | 12 | black,white | mm |
| RSE7.7-11-11 | 7.7 | 11 | 11 | 13 | black,white | mm |
| RSE8.7-12-12 | 8.7 | 12 | 12 | 14 | black,white | mm |
| RSE9.7-14-13 | 9.7 | 14 | 13 | 15 | black,white | mm |
| RSE10.7-15-14 | 10.7 | 15 | 14 | 16 | black,white | mm |
| RSE11.7-16-15 | 11.7 | 16 | 15 | 17 | black,white | mm |
| RSE12.7-17-15 | 12.7 | 17 | 15 | 18 | black,white | mm |
| RSE13.7-18-15 | 13.7 | 18 | 15 | 18 | black,white | mm |
| RSE14.7-19-15 | 14.7 | 19 | 15 | 18 | black,white | mm |
| RSE15.7-20-16 | 15.7 | 20 | 16 | 19 | black,white | mm |
| RSE16.7-21-16 | 16.7 | 21 | 16 | 19 | black,white | mm |
| RSE17.7-22-16 | 17.7 | 22 | 16 | 19 | black,white | mm |
Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
From part requirements to production
01
Define the part
Identify key dimensions, mating surfaces and quantity
02
Review material & tooling
Agree the compound and manufacturing approach
03
Evaluate the sample
Review the fit and agreed requirements in the assembly
04
Produce & inspect
Manufacture and check against the approved requirements
Review the intended assembly
Material and structure
Consider hardness together with wall thickness and support.
Installation
Check access, mating dimensions and the fitting sequence.
Ordering this custom component
Can the shape be adjusted to my mating parts?
Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.
Which details should be agreed before tooling?
Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.
Can a sample help define the replacement?
A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.
How is the quotation for this part determined?
The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.
DISCUSS THIS COMPONENT
Describe the part you need.
Share the fit, operating conditions and quantity with our manufacturing team.
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