Sigma 810017012 Street Elbow 1-1/2 in Mnpt X Fnpt 150 Lb

Product Description

The SIGMA 810017012 is a FIG 3103 malleable iron street elbow designed to change flow direction in threaded piping systems. It connects a male NPT thread on one end to a female NPT thread on the other, allowing a 90-degree turn without requiring a separate nipple. Rated at 150 lb, this fitting is suited for low-pressure gas, water, and steam service in both residential and light commercial installations. Plumbers and pipefitters install this type of fitting as a standard component in threaded iron pipe assemblies. The black finish is typical of standard malleable iron fittings used in gas and industrial piping.

This street elbow is sized at 1-1/2 inches nominal and follows the FIG 3103 dimensional standard common in malleable iron threaded fittings. It is appropriate for use in residential gas distribution lines, steam heating systems, and general-purpose piping where 150 lb malleable iron fittings are specified. The MNPT x FNPT configuration makes it a space-saving option when transitioning direction off a valve, tee, or union without adding extra pipe length.

Key Features

• 150 lb pressure class rating suitable for gas, steam, and water service
• MNPT x FNPT end configuration eliminates the need for a separate close nipple
• Malleable iron construction provides strength and resistance to impact in threaded assemblies
• Black finish standard for gas piping and industrial applications
• FIG 3103 dimensional standard ensures interchangeability with compatible fittings

Compatibility

Designed as an OEM-style replacement or new-installation fitting for 1-1/2 inch nominal threaded iron piping systems using 150 lb malleable iron fittings per standard piping practice.

Installation Notes

Licensed plumbers and pipefitters install malleable iron threaded fittings in accordance with applicable codes such as the IFGC and IPC. Apply an approved pipe thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten, as malleable iron threads can crack under excessive torque. Always depressurize and isolate the line before disassembling or modifying any threaded piping connection.

Technical Specifications

• Nominal Size: 1-1/2 inches
• End Style: MNPT x FNPT
• Pressure Rating: 150 lb
• Material: Malleable Iron
• Finish: Black
• Figure Number: FIG 3103

Standard Information

• Brand: SIGMA
• Manufacturer Part Number: 810017012