Bi-Lok Series D Dual Ferrule Stainless Steel Tube Fittings offer superior corrosion resistance by utilizing the
Internationally patented Nv Pionite Surface Treatment Technology. This innovative surface hardening treatment
yields a stable austenite structure layer while maintaining corrosion resistance. Only the leading edge of the
rear ferrule is treated. Although this requires additional steps in the manufacturing process, the result is
consistent low make up torque without the need to reduce the mass of the rear ferrule.
Interchangeable & Intermixable
Bi-Lok Series D Dual Ferrule Instrument Tube Fittings are not only interchangeable, but are component by component
intermixable with other popular brands of like design dual ferrule tube fittings. Independent third party
testing and years of field experience conclude that piece by piece intermixing in various combinations yielded no
Manufactured in Meadville, PA
Bi-Lok Series D Dual Ferrule Tube Fittings are proudly manufactured by the Generant Company at our
Meadville, Pennsylvania USA facility.
ISO 9001:2008 Certified
Bi-Lok Series D Dual Ferrule Tube Fittings are manufactured to the requirements of our ISO 9001:2008 certified
Quality Management System. All aspects of manufacturing are conducted in accordance to documented procedures with
control points throughout the process. With the goal being to provide our customers, suppliers, and employees true
value through a strong commitment to continuous improvement in the quality of our products, services and working
Proven across various industries
For more than 30 years, Bi-Lok Series D Dual Ferrule Tube Fittings have been successfully proven in many of the
most demanding applications and environments. BI-Lok provides cost effective fluid connector solutions to
industries such as oil and gas exploration, semi-conductor manufacturing, petro chemical, industrial and medical
gases, chemical process and refining.