Description

USA Lab Buna-N Tri Clamp Gasket - 1.5" to 12"

The USA Lab Buna-N Tri Clamp Gasket is designed for closed loop systems and provides excellent resistance to butane and propane. Available for Tri-Clamp sizes from 1.5" to 12", this gasket is a practical sealing solution for compatible fluid and process connections.

Buna-N offers strong physical properties and is rated for lower temperatures than Viton, making it suitable for applications where low-temperature performance and resistance to butane and propane are important.

The gasket has a minimum continuous-use temperature of -40°F and is suitable for compatible closed loop systems requiring a Buna-N Tri-Clamp sealing component.

Buna-N 1.5" to 12" Tri-Clamp Butane & Propane Resistant -40°F Minimum Continuous Temperature

Closed Loop Use: Designed for compatible closed loop systems where reliable Tri-Clamp sealing is required.

Fluid Resistance: Excellent resistance to butane and propane supports demanding process applications.

Low-Temperature Performance: Minimum continuous-use temperature of -40°F.

Why buy from USA Lab

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Nationwide 1-2 day shipping.

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Why choose the USA Lab Buna-N Tri Clamp Gasket?

Buna-N construction — provides strong physical properties for compatible sealing applications.
Excellent butane and propane resistance — well suited for compatible closed loop systems.
Wide Tri-Clamp size range — available for system connections from 1.5" through 12".
Low-temperature capability — rated for continuous use down to -40°F.
Alternative to Viton — Buna-N is rated for lower temperatures than Viton while offering strong physical properties.

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Technical Specifications

Specification	Details
Product Name	USA Lab Buna-N Tri Clamp Gasket - 1.5" to 12"
Brand	USA Lab
Product Type	Tri Clamp Gasket
Gasket Material	Buna-N
Connection Type	Tri-Clamp
Size Range	1.5" to 12"
Minimum Continuous Temperature	-40°F
Butane Resistance	Excellent
Propane Resistance	Excellent
Temperature Comparison	Rated for lower temperatures than Viton
Physical Properties	Strong physical properties
Primary Application	Closed loop systems
Sealing Function	Tri-Clamp connection sealing
System Type	Closed loop fluid and process systems
Fluid Compatibility	Compatible systems using butane and propane
Connection Configuration	Tri-Clamp gasket interface
Size Availability	Multiple sizes from 1.5" through 12"
Product Format	Individual gasket
Application Environment	Compatible laboratory and process systems

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FAQ

What is the USA Lab Buna-N Tri Clamp Gasket used for?

The USA Lab Buna-N Tri Clamp Gasket is designed for compatible closed loop systems and Tri-Clamp connections where resistance to butane and propane is required.

What sizes are available for the USA Lab Buna-N Tri Clamp Gasket?

The USA Lab Buna-N Tri Clamp Gasket is available for Tri-Clamp sizes ranging from 1.5" to 12".

What is the minimum continuous-use temperature?

The minimum temperature for continuous use is -40°F.

How does Buna-N compare with Viton for temperature performance?

Buna-N is rated for lower temperatures than Viton and also provides strong physical properties, making it suitable for applications where lower-temperature performance is important.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

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Specifications

MPN:	BUNA
Brand:	USA Lab

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

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Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

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International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

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Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.

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USA Lab Buna-N Tri Clamp Gasket - 1.5" to 12"

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