- Chem-Thread, Celcon® Compression Cap with hole
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The Celcon® compression caps are a convenient way of producing a grease-free connection. A Chem-Thread connection consists of three components: an externally threaded glass tube, a Celcon® polymer compression cap, and a Viton® O-ring. When the cap is tightened onto the glass tube, the O-ring is compressed downward and inward onto the metal, plastic, or glass connecting tube. See the chart below for tubing outer diameters that work with each size.
|Cap size||Tubing diameter range (mm)|
|#4||2 - 4|
|#7||4 - 7|
|#9||7 - 9|
|#12||9 - 12|
|#15||12 - 15|
|#18||15 - 18|
|#25||22 - 25|
Manufactured in: USA