Silicone rubber stopper sizes
When choosing the right type of seal for your openings, you need to be aware of the silicone rubber stopper sizes. The size will make the biggest difference in your experience, and if you choose the wrong one, you risk damaging the contents of the container and exposing anyone who comes in contact with them to risk. As you already know, the stoppers are used to plug and seal holes of different types of containers, and they can be used in many industries, including laboratories.
We don’t want to have any negative experience when handing our equipment, and we need to be aware of the type and size of plug that we are using. When choosing the best silicone rubber stopper sizes, the easiest thing you can do is measure the size of the opening and depending on that, choose the right unit for your needs. As manufacturers, we offer a variety of sizes and models of the stoppers, and we can also help you choose the right size of the plug. In addition to this, we are here to help you customize your order and get items that may not be offered already.
The standard sizes vary between 12 millimeters for the top of the plug and up to 15 centimeters, between 9 millimeters and 14 centimeters for the bottom of the stopper, and between 19 millimeters and 5 centimeters for the height of the unit. Even though these are the most commonly used stoppers and these are the most common sizes they come in, you can find even smaller or bigger items depending on the type of plug you need. When measuring the opening, you need to be aware of all three of the dimensions, and you can use standard measuring ways to find the exact numbers. Make sure there is no loose space between the edges of the opening and the stopper, and know that you should not use units that are too big for the hole.
Stopper & Plug Size Catalog
Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.
RST T-Shaped Plugs
Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.
RSA Tapered Corks
Compare large-end diameter A, small-end diameter B and Height, in mm. The mating bore and required seating depth determine where the taper contacts the opening.
RSB Undercut Plugs
Compare neck diameter A, flange diameter B, flange-to-lip distance C and flange thickness D. Check panel thickness and rear clearance. E refers to the underside recess.
RSD T-Shaped Stoppers
Compare stem diameter A, flange diameter B, stem length C and head thickness D, in mm. Check the seating surface and available depth as well as the hole diameter.
Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
Discuss Your RequirementsProduct specifications
- Product form
- Removable closure fitted inside an opening
- Material
- Silicone. Specify the compound grade for the selected service.
- Application focus
- Laboratory vessels. Size the part against the selected assembly.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip. Match these to laboratory vessels.
- Size selection
- Choose the drawing or chart row by its functional dimensions and units; verify mating-part tolerances before ordering.
- Seating check
- Check the sealing contact around the opening and the force needed for insertion and removal.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
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