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USA Lab Platinum Cured Silicone Tri-Clamp Gaskets
USA LabCGS40RXPX$2.00 - $40.00.usalab-prod{--accent:#13a8b6;--ink:#0f1b2d;--muted:#64748b;--card:#f7f9fc;--ring:#e6ecf2;font-family:inherit} .usalab-prod *{box-sizing:border-box} .usalab-prod h2,.usalab-prod h3{margin:0 0 .5rem;color:var(--ink);line-height:1.2} .usalab-prod... -
PTFE Clamp Gasket-Various Sizes
USA LabPTFE-GASKET$1.99 - $45.99PTFE Tri-Clamp Sanitary Gasket Temperature Range: -100°F to 500°F Great to use with Ethanol and have a low absorption rate. Size Inside Diameter Outer Diameter Bead Diameter 1.5" 1.39" 2... -
USA Made Buna-N Tri Clamp Gasket - FDA Compliant - 1.5" to 12"
USA LabUSA-BUNA$1.00 - $25.00.usalab-prod{--accent:#13a8b6;--ink:#0f1b2d;--muted:#64748b;--card:#f7f9fc;--ring:#e6ecf2;font-family:inherit} .usalab-prod *{box-sizing:border-box} .usalab-prod h2,.usalab-prod h3{margin:0 0 .5rem;color:var(--ink);line-height:1.2} .usalab-prod... -
USA Lab Buna-N Tri Clamp Gasket - 1.5" to 12"
USA LabBUNA$0.99 - $20.00Our USA Made Buna-N triclamp 1.5 inch to 12 inch gasket is one of the best gaskets for closed loop systems due to it's excellent resistance to butane and propane. Buna is rated for lower temperatures than Viton, as well as better physical properties...
Tri-Clamp Gaskets From USA Lab
FDA-Compliant Seals for Reliable Connections
Gaskets are the small parts that make a big difference. They provide the seal between tri-clamp fittings, keeping your system leak-free, sanitary, and compliant. At USA Lab, you'll find a complete selection of Buna-N and PTFE gaskets, with or without mesh inserts, so you can match your gasket choice to your exact process.
Designed for Hygienic, Leak-Free Systems
FDA-Compliant Materials
Available in Buna-N and PTFE to provide safe, reliable sealing for food, beverage, and laboratory applications.
Mesh Insert Options
Offered with fine mesh inserts ranging from 5 to 300 microns, allowing you to filter particulates directly at the gasket seal for cleaner flow.
Wide Size Range
Designed to fit a variety of setups, with tri-clamp connection sizes from 1.5" up to 12" for small- to large-scale systems.
Compare Gasket Options
| Model | Material | Mesh/Micron Rating | Size Range | Features |
|---|---|---|---|---|
| Buna-N Mesh Gaskets (FDA-Compliant) | Buna-N + stainless mesh | 5 µm (2500 mesh) 25 µm (550 mesh) 50 µm (300 mesh) 100 µm (150 mesh) 150 µm (100 mesh) 300 µm (50 mesh) |
1.5"–12" | Filters particulates directly at the seal; FDA-compliant Buna-N base |
| Buna-N Solid Gaskets | Buna-N (FDA-compliant) Buna-N Standard |
— | 1.5"–12" | Sanitary seals for food, beverage, and lab use |
| PTFE Gasket | PTFE (FDA-compliant) PTFE Standard |
— | 1.5"–12" | Ideal for solvent-heavy applications |
| PTFE Envelope Gaskets (Viton Filler) | PTFE + Viton | — | 1.5"–12" | Combines PTFE's chemical resistance with Viton's flexibility for a more durable seal |
Practical and Low-Maintenance
- Flexible choices — Pick from standard Buna-N, PTFE, or mesh gaskets for specific needs.
- Reusable design — Durable materials hold up to repeated cleaning cycles.
Match the Right Gasket to Your Work
- Filtering out fine particulates? → Choose a Buna-N mesh gasket (5–300 micron options).
- Need a simple, FDA-compliant seal? → Use a standard Buna-N gasket.
- Working with harsh solvents? → Select a PTFE gasket for chemical resistance.
- Want both strength and flexibility? → Go with a PTFE envelope gasket with Viton filler.
Why Choose USA Lab Gaskets
- Selection of FDA-compliant Buna-N and PTFE options.
- Mesh gasket options with micron ratings for inline filtration.
- Wide size availability for standard tri-clamp connections.
- U.S.-based support and fast shipping.
Equipment That Works With Your Gaskets
Pair your gaskets with other USA Lab tri-clamp components to build a complete system:
- Tri-clamps to secure gaskets and fittings tightly in place
- Mixing vessels and tanks for building sealed processing setups
- Buchner funnels using mesh gaskets for trapping particulates
- Reactors to keep high-pressure or solvent systems leak-free
