Box hole drill steel
Branch tee fitting
Branched hose construction
Chimney construction for heating fixtures
Coaxial coupling system
Collapsible tanker hose coupling
Common rail
Common rail and method of manufacturing the same
Concentric hose coupling with cuff assembly surrounding an end o
Concentric piping flex joint
Concentric piping flex joint
Concentric riser joint with self-aligning coupling
Connector for duct systems for low temperature fluids
Containment piping system with expansion seal
Coupling for interconnection of coaxial tubing
Coupling for multi-passage tube
Direct connection co-axial fitting for injection lubricator
Double containment fitting
Double containment pipe fitting
Double containment pipe joint assembly