Design
SSP Duolok tube fittings are designed and manufactured to provide a reliable, leak-proof connection in instrumentation and process tubing systems.
The double ferrule design compensates for the variations in tubing materials, hardness, and thickness of the tube wall to provide leak-tight connections in an extensive range of applications.
Quality
All SSP Duolok fittings are manufactured in the USA and are quality controlled with an ISO 9001:2000 quality management system.
Packaging
SSP Duolok tube fittings are individually bagged to assure the highest levels of quality, safety and cleanliness.
Materials
316 Stainless Steel SSP Duolok straight configuration tube fittings are machined from type 316 stainless steel cold-finished bar stock in accordance with ASTM A-276 and ASTM A-479. Shaped bodies are machined from close-grained 316 forgings in accordance with ASTM A-182. All 316 stainless steel SSP Duolok components are heat code traceable with CMTRs available.
Brass SSP Duolok straight configuration tube fittings are machined from CA360 and CA345 premium brass bar stock in accordance with ASTM B-16 and ASTM B-453. Shaped bodies are machined from precision forgings of CA-377 brass in accordance with ASTM B-124.
Interchangeability
SSP Duolok fittings are 100% interchangeable with Swagelok® brand of tube fittings. SSP Duolok and Swagelok® brand of tube fittings are also 100% component intermixable.
Swagelok® is a registered trademark of the Swagelok Co.![](../../../../v/vspfiles/assets/images/uniontechspecs.gif)