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Encapsulated O-ring manufacturer and Precision extruder M-Cor Inc. is a leading U.S. producer of high performance sealing products for extreme environments. Extruded profiles are converted into o-rings, Teflon® encapsulated o-rings, camlock gaskets, chemical transport tubing and various other sealing products. With in house tooling capabilities, we are able to immediately respond to customer prototype and production requests. Call 630.860.1150 or Email now for immediate assistance.
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ENCAP-O-Seal O-Rings: Teflon Encapsulated Silicone and Viton® fluoroelastomer O-Rings
Overview:
Encapsulated o-rings (ENCAP-O-Seal) are o-rings consisting of a seamless and uniform Teflon® FEP/PFA encapsulation/jacket which completely encloses a core material of either silicone or Viton® fluoroelastomer. The combination of these components creates an o-ring that is virtually chemically inert and compression set resistant for use in harsh sealing environments.
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Features:
High Chemical Resistance: Chemical attack and swelling are the primary causes of O-Ring failure. ENCAP-O-Seal encapsulated o-rings are virtually chemically inert.
Outperforms solid PTFE O-Rings: ENCAP-O-Seal encapsulated o-rings match the chemical and temperature resistance of solid PTFE O-Rings, ENCAP-O-Seal encapsulated o-rings possess properties of elasticity and recovery which are crucial in many sealing applications.
Economical: ENCAP-O-Seal encapsulated o-rings economically and effectively replace Kalrez and other exotic O-Ring compounds. ENCAP-O-Seal encapsulated o-rings will decrease downtime and hence increase profitability wherever corrosive fluids and gases cause premature seal failure.
Wide Temperature Range: ENCAP-O-Seal encapsulated o-rings withstand breakdown caused by industrial solvents and corrosive materials at elevated temperatures from -60° C/-75° F to +205° C/400° F. (See General Specifications)
Non Stick Surface: Provides easy cleanup of viscous materials.
Low Coefficient of Friction: .2 on metal. Self lubricating surface.
Sanitary: Eliminates contamination of fluids by elastomers. Sterilizable and autoclavable. FDA compliant, USP Class VI compliant, NSF compliance available for specific applications.
Unlimited Sizes: Available in standard and metric sizes from .059" cross section x ˝" I.D. to virtually unlimited larger sizes.
Low Compression Set: ENCAP-O-Seal encapsulated o-rings consist of either a solid silicone or Viton® fluoroelastomercore encapsulated in Teflon®* FEP/PFA resin (with .010 to .045 wall depending cross section) which meets or exceeds requirements of L-P389A and ASTM-D-2166. (see technical bulletin)
*DuPont Registered Trademark
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GROOVE CONSTRUCTION RECOMMENDATIONS FOR ENCAP-O-SEAL TEFLON® ENCAPSULATED O-RINGS
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CROSS SECTION
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NOMINAL SQUEEZE
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MIN. ID RANGE
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MAX. ID RANGE
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GROOVE WIDTH
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.070 .103 .139 .210 .275
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.020 .025 .030 .045 .050
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.250 .500 1.00 2.10 3.00
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1.50 2.50 5.00 ANY ANY
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.100 .130 .175 .275 .350
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NOTE: The above applies to minimum width and depth recommendations for machined grooves in metal. Recommended surface finish of 32 micro inches or better.
GENERAL SPECIFICATIONS
1.Encapsulation material: DuPont Teflon® FEP: Tetraflouroethylene-Hexafluoropropylene. Dupont Teflon PFA: Tetraflouroethylene-Perfluoro (Propyl Vinyl Ether).
2. Core material: Dow Corning Silicone, Viton® fluoroelastomer Type A, Viton® GFS elastomers.
3. Continuous service temperature:
4. Coefficient of friction: .1 to .2 on metal surfaces.
5. Water absorption: <0.01.
6. Average total shore A hardness:
7. FDA Compliance: The clear TEFLON® FEP/PFA encapsulation of the ENCAP-O-SEAL o-ring complies with part 177 of Title 21 of the Food and Drug Administration’s regulations for safe use as articles or components of articles for producing, manufacturing, processing, preparing, treating, packing, transporting or holding food in accordance with regulation 177.1550.
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Viton® is a registered trademark of DuPont Performance Elastomers
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Plant: M-Cor Inc. | 3405 Byron Rd. | Helena,MT. USA |59602
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Offices: M-Cor Inc. | 227 James St. | Bensenville,IL.USA | 60106
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M-Cor, Inc.Copyright 2001-2008 Teflon® is DuPont registered trademark.ENCAP-O-SEAL is the copyright property of M-Cor,Inc.’s encapsulated o-ring. Viton® is a reg.trademark of DuPont Performance Elastomers
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