This Swagelok 1 - monel (Alloy 400/R-405) union elbow, 3/4" OD, M-1210-9 is a conduit/piping fitting manufactured by Swagelok. It connects or transitions between sections of conduit, tubing, or pipe, maintaining a secure and, where required, weather- or liquid-tight joint. It is commonly in construction and industrial maintenance projects.
