Custom manufacturing example · Customized silicone rubber heat exchanger gasket

CUSTOM RUBBER & SILICONE MANUFACTURING

Customized silicone rubber heat exchanger gasket

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

Vulcanization workshop illustration with green molding presses and blue collection bins

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 rubber heat exchanger gasket follows a defined sealing path within a heat exchanger assembly. Its outline and locating details must match the relevant mating surfaces so the gasket remains in place as the equipment is assembled. Similar overall dimensions do not establish that two gasket patterns route and separate the same passages.

Select the compound for the fluids, temperatures and cleaning conditions on the relevant sides of the joint. The fact that a gasket is made from silicone or another rubber family does not define its suitability for every exchanger duty. Material and geometry should be evaluated together against the equipment requirements.

During replacement, follow the exchanger's service and isolation procedure. Remove the old gasket without damaging the seating area, and inspect that area before placing the new part. Ensure each locating feature is engaged and that the rubber has not crossed a passage or folded at a change in direction.

Use the specified assembly sequence and compression conditions for the exchanger. Extra tightening is not a substitute for the correct gasket profile. After the required equipment checks, inspect accessible areas for displacement or leakage and address the cause before returning the exchanger to normal operation.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Use the specified assembly sequence and compression conditions for the exchanger.
Custom dimensions: Ensure each locating feature is engaged and that the rubber has not crossed a passage or folded at a change in direction.
Fit & assembly: Remove the old gasket without damaging the seating area, and inspect that area before placing the new part.
Use & inspection: During replacement, follow the exchanger's service and isolation procedure.

Photos illustrate structure or material only. Similar overall dimensions do not establish that two gasket patterns route and separate the same passages. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

From part requirements to production

Define the part

Identify key dimensions, mating surfaces and quantity

Review material & tooling

Agree the compound and manufacturing approach

Evaluate the sample

Review the fit and agreed requirements in the assembly

Produce & inspect

Manufacture and check against the approved requirements

Review the intended assembly

Working conditions

Identify temperature, contact fluids and repeated movement.

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.