USA Lab PTFE Envelope Tri-Clamp Gaskets are the only choice when needing extreme chemical resistance and temperature range. These gaskets are extremely unique in their construction because they have a Viton filler for compressibility surrounded by PTFE envelope gaskets which creates a unique combination of chemical resistance while providing an exceptional sealing characteristic. Normal solid PTFE gaskets are very tough to seal on their own and are usually not recommended in vacuum applications due to the gasket being very rigid because PTFE is not very compressible by itself. Tri-Clamp/ Tri-Clover Sanitary Fittings Gaskets create a pressure-tight seam between multiple stationary components, relying on a compression seal to prevent unwanted gas or liquid emissions.
*We advise that you only use these gaskets with High Pressure Tri-Clamps!*
These Gaskets are FDA compliant and meet up to 3A standard.
Minimum to maximum Temp for continuous use: -320°F to +500°F
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Chemical Compatibility: |
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Material |
PTFE(Teflon)/Viton Filler(FKM) |
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Color |
White/Black |
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Connection Type |
Tri-Clamp |
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Conformance |
U.S.P. CLASS VI COMPLIANCE Passes USP Class VI Cytotoxicity Testing and is suitable for high purity pharmaceutical grade applications' is FDA 21, 177,1550 compliant and the FKM(Viton) inner cores are FDA CFR 21, 177.2600 compliant. |
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Thermal Properties: |
Low Temperature Range |
-100°F |
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Minimum Continuous Use (Static) |
-65°F |
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Brittle Point |
-100°F |
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High Temperature Range |
+400°F |
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Maximum for Continuous Use (Static) |
+400°F |
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For Technical Support, Questions, or Other Issues Please Email or Call Us!
Limited Warranty Disclaimer
Thank you for your interest in the products and services of CGS™.
This Limited Warranty applies to physical goods, purchased from CGS™ (the “Physical Goods”).
This limited Warranty covers any defects in material or workmanship under normal use during the Warranty period.
CGS™ will Replace or repair the product at no charge, using new or refurbished replacement parts.
The Warranty Period for the Physical Goods purchased from CGS™ is 180 days from the date of Purchase.
A replacement Physical Good or part assumes the remaining warranty of the original Physical Good or 180 days from the date of replacement or repair, whichever is longer.
This Limited Warranty does not cover any problem that is caused by conditions, malfunctions or damage not resulting from defects in material or workmanship of the physical good sold. The Limited Warranty does not cover Shipping, expediting, downtime and or other cause and effect problems or conditions that could exceed the cost of the original Physical Good sold.
The limited warranty does not cover labor of any type for installing or uninstalling of the Physical good sold.
To obtain warranty service, you must first contact us to determine the problem and the most appropriate solution for you.
Thank you for your interest in the products and services of CGS™.
This Limited Warranty applies to physical goods, purchased from CGS™ (the “Physical Goods”).
This limited Warranty covers any defects in material or workmanship under normal use during the Warranty period.
CGS™ will Replace or repair the product at no charge, using new or refurbished replacement parts.
The Warranty Period for the Physical Goods purchased from CGS™ is 180 days from the date of Purchase.
A replacement Physical Good or part assumes the remaining warranty of the original Physical Good or 180 days from the date of replacement or repair, whichever is longer.
This Limited Warranty does not cover any problem that is caused by conditions, malfunctions or damage not resulting from defects in material or workmanship of the physical good sold. The Limited Warranty does not cover Shipping, expediting, downtime and or other cause and effect problems or conditions that could exceed the cost of the original Physical Good sold.
The limited warranty does not cover labor of any type for installing or uninstalling of the Physical good sold.
To obtain warranty service, you must first contact us to determine the problem and the most appropriate solution for you.
