As the inventor of floating mechanical packing over a century ago, no one can match the experience gained in tens of thousands of successful applications worldwide - or the steady improvements in product designs and materials every year since.

Today, Cook rod rings are available in an array of design options, with material choices from bronze to high-performance non-metallics.

• The broadest line of sealing products
• More products in more applications than any other sealing products provider
• High-performance packing for reciprocating pumps
• High-precision manufacturing
• In-house injection and compression molding
• Ongoing materials development, including cooperative programs with renown universities
• In-house laboratories and test compressors
• Extensive engineering and field-level support

Cook Compression is the leader in design development, with resources such as in-house test compressors and materials laboratories, as well as cooperative efforts with noted research institutions.

Continued development in new designs - backed by experienced applications support - results in custom seal ring, pressure breaker and wiper solutions that consistently outperform traditional approaches. A complete selection of materials, including the high-performance TruTech™ line, dramatically improves durability in the most demanding applications.