Tylok International, Inc.

Tube & Pipe Fittings
In the mid 1940's, Cullen Crawford developed and patented the original flareless fitting (nut and two ferrule system), for the Crawford Fitting Company. Thus, a new and innovative industry was born making it far easier to make tubing connections which reduced installation time and errors.
Tylok International, Inc., presently offers three fitting lines. The CBC-Lok (double ferrule) line and the CS-Lok (single ferrule) line are industry standard designs. The Tylok Standard 4 Seal Tube fitting line which is a unique and proprietary line based upon Mr. Crawford's improved design.
Standard Tube Fittings
Tylok Standard Tube Fittings can be quickly and efficiently installed without the need for special tools, cannot be cross-threaded or misaligned, require no special tubing preparation, do not restrict flow through the tubing, allow for repeated connections and disconnections, and only collets need to be replaced when re-tubing.
Standard Pipe Fittings
Tylok Pipe Fittings are designed and manufactured for applications in power, processing and instrumentation. Each fitting is thoroughly cleaned to eliminate system contamination and features an attractive surface finish to enhance the appearance of modern scientific instrumentation and equipment.
CBC-Lok Fittings
CBC-Lok® Tube Fittings are comprised of four components: the body, front ferrule (collet), rear ferrule (collet) and nut. The fittings are interchangeable with the tube fittings of Swagelok® and Parker A-Lok®.
CS-Lok Fittings
CS-Lok® Tube Fittings are comprised of three components: the body, single ferrule (collet) and nut. The fitting components are completely interchangeable with the tube fittings of Parker CPI®.
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