Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438
Toll Free: 800-645-6733 | Phone: 267-933-6300 | Fax: 267-933-6305|
email: [email protected]
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Item # 12TI10BR, Gyrolok® TI Tube Insert
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List Price QUOTE
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For specific application
HOKE Gyrolok tube fittings may be used with various types of plastic tube material without any special preparation. Use tube inserts to support soft types of tubing, such as Tygon or polyvinyl chloride, prior to insertion into a HOKE Gyrolok end. See chart at lower right for recommendations.
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- Fully insert Tube Insert into plastic tubing, where appropriate.
- If using standard nut, follow standard HOKE Gyrolok assembly instructions, page 53 (Hand-tighten, then tighten 1 1/4 turns with wrench.)
- For finger-tight assembly, standard Brass fittings are available with knurled nuts and nylon ferrules.

Tubing Material |
Front Ferrule |
Rear Ferrule |
Tube Insert Usage |
Polyethylene |
Metal Nylon |
Metal Nylon |
Not normally required |
Nylon |
Metal Nylon |
Metal Nylon |
Not normally required |
Teflon® |
Metal Teflon |
Metal Teflon or Metal |
Not normally required |
Rigid PVC |
Metal Teflon* |
Metal Teflon* |
None |
Soft Polyvinyl Chloride or Tygon |
Metal Nylon |
Metal Nylon |
Recommended |
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