Reusable Rubber Stopper Plugs
A cost-effective alternative to higher-cost tube plugs for low-pressure isolation and vacuum testing. Soft neoprene conforms to the tube for a tight seal, and one size fits multiple port sizes, so you stock fewer plugs.
Rubber Stopper Plugs
A, B & L DimensionsGet a Quote or Order
Call (800) 456-8721 or send us these details and we'll respond the same business day.
- Part number, or tube OD and gauge (see the sizing chart)
- Quantity needed
- Date needed
See Snap It® Engineered Tube Plugs ›
| Specification | Details |
|---|---|
| Design | Tapered rubber stopper |
| Material | Resilient neoprene |
| Part Numbers | TP-000-R through TP-16-R |
| Tube ODs | 1/2" through 4" (gauge ranges in the chart) |
| Tolerance | +/- .005" (+/- .127 mm) |
| Temperature | -25°F to 180°F (-31°C to 82°C) |
| Applications | Low-pressure isolation • Vacuum testing |
| Installation | Tap in with a small hammer or rubber mallet |
| Removal | A firm pull with pliers |
| Delivery | In-stock items ship within 24 hours |
Why Rubber Stoppers
Rubber Stopper Sizes
| Part No. | Tube O.D. (in.) | Gauge | Dimension (in.) +/- .005 | Dimension (mm) +/- .127 | ||||
|---|---|---|---|---|---|---|---|---|
| "A" Small | "B" Large | "L" Length | "A" Small | "B" Large | "L" Length | |||
Tap In, Test, Pull Out
- Tap the plug in with a small hammer or rubber mallet until it's firmly in place.
- Run your test. Rubber stoppers are made for low-pressure isolation and vacuum testing with the VLD-2500.
- Pull it out with a firm pull from a pair of pliers, and reuse it on the next tube.
Snap It® Engineered Tube Plugs
For a pressure rated, repeatable seal well beyond rubber plugs, choose Snap It®. It installs hydraulically in under 60 seconds.
Cut Delivery From Weeks to Days
In-stock rubber stoppers ship within 24 hours. Need shoulder plugs or EZ Torque® gaskets too? Add them to the same order.
Rubber Stopper FAQ
What are rubber stoppers typically used for?
Low-pressure applications and vacuum testing. They're easy to install, test, remove, and reuse.
What sizes do you offer?
We stock plugs for 1/2" to 4" tube OD. See the sizing chart, or call us if you need another size.
How quickly can I get them?
We stock more than 500,000 tube plugs across all varieties and sizes. In-stock products typically ship the same day.
Are these plugs reusable?
Yes. They're made of neoprene and are completely reusable when installed, removed, and cared for properly.
How do I install and remove them?
Tap the plug in with a small hammer or rubber mallet until it's firmly in place. Remove it with a firm pull from a pair of pliers.
Why Choose USA Industries
From pipe blinds to heat exchanger tools, we deliver custom-engineered products with the fastest turnaround times in the industry.
Fastest Turnaround
Available 24/7 - 365 days a year with same-day shipping available on stock items. Custom orders in days, not weeks.
Direct Pricing
No middlemen markup. Buy direct from the manufacturer with 40+ years of industry excellence and save.
Custom Engineering
Custom solutions designed to your exact specifications.
ISO Certified Quality
A quality driven ISO 9001:2015 certified manufacturer ensures consistent excellence.
BBB A+ Rated
The highest grade awarded, signifying USAI operates with high integrity and a strong commitment to resolving customer issues.