ASC Engineered Solutions 21/2X11/2 BLK MI 90 ELL

Yes. It's a reducing 90, with one end at 2-1/2 inch and the other at 1-1/2 inch, so it turns the corner and steps the line down in a single fitting. Both ends are female pipe thread (FPT), so it threads onto male-threaded pipe nipples or male adapters on each side.

It carries UL/FM listing, which is the approval fire protection contractors and AHJs look for on sprinkler system fittings. It's a standard weight (STD) malleable iron fitting built to ASME B16.3 for both dimensions and pressure rating.

Black malleable iron is the wrong choice for potable water. The black finish is a mill/oil coating, not a corrosion barrier, so these fittings are used on gas, fire protection, compressed air, hydronic and steam lines. For domestic water in a threaded steel system you want galvanized. This particular fitting is black finish malleable iron to ASTM A-197.

A reducing 90 like this 2-1/2 x 1-1/2 does the turn and the size change in one body, so you get one fewer joint to seal and a shorter takeout, which matters in tight pipe chases and at riser nipples. A full-size 90 plus a hex bushing adds a joint and some length. On a UL/FM listed fire protection line the single listed reducing fitting is also the cleaner thing to show an inspector, and this one is UL/FM listed.

Standard weight (STD), Class 150 style malleable iron built to ASME B16.3. If your drawing calls for extra heavy or Class 300 malleable, this is not the fitting for that spec. For pressure limits, B16.3 rates by size and temperature, so read the rating for the 2-1/2 inch end.

The ASC Engineered Solutions part number is 310011200. That's the identifier to quote when you're matching an existing submittal or reordering to keep a job standardized on one fitting line.

The fitting weighs 2.54 lbs. Add that to your filled pipe weight when you're spacing hangers around the turn, since a reducing elbow at a riser concentrates load at one point.