3" FIG 1502 Cross (M x M x M x F) w/ 1/2" NPT Tap | 10K PSI Sour Service (NACE)

The 3" FIG 1502 Flowline Cross is a heavy-duty, 4-way iron fitting essential for routing, splitting, and managing high-velocity fluid streams in complex oilfield manifold systems. This specific configuration features three Male (Wing Nut) ends and one Female (Threaded) end, providing rig-up flexibility when tying multiple high-pressure flowlines into a single centralized junction, such as on a choke manifold or frac stack.

A standout feature of this cross is the integrated 1/2" NPT Tap. This precision-machined port allows field technicians to directly install pressure gauges, thermowells, transducer sensors, or chemical injection/bleeder valves right at the intersection of the flow stream. This eliminates the need to rig up additional gauge rings or spool pieces, saving critical space and reducing potential leak paths on the well pad.

Critically, this cross is certified for Sour Service (NACE MR0175). To safely handle the lethal and highly corrosive effects of Hydrogen Sulfide (H2S) gas, the forged alloy steel undergoes specialized heat treatment to prevent Sulfide Stress Cracking (SSC). In accordance with API safety standards for sour gas environments, this FIG 1502 fitting is intentionally de-rated to a 10,000 PSI Cold Working Pressure (CWP), ensuring maximum structural integrity and operator safety in hazardous conditions.

Features & Benefits

• NACE MR0175 Sour Service: Metallurgically treated to resist hydrogen embrittlement and sulfide stress cracking, ensuring safe operation in deadly H2S gas environments.

• Integrated 1/2" NPT Tap: Provides a direct access port for installing pressure gauges, sensors, or bleed valves without requiring extra gauge iron.

• 10,000 PSI Sour Rating: While FIG 1502 iron is nominally 15k, this component is strictly de-rated to 10,000 PSI CWP to comply with safety factors required for sour gas handling.

• M x M x M x F Configuration: The 3 Male (Wing) and 1 Female (Thread) hammer union setup allows for versatile, leak-free integration into existing high-pressure flowline networks.

• Forged Steel Durability: Forged from high-strength alloy steel to withstand the severe internal scouring from frac sand, milled composites, and high-velocity fluids.

Specifications & Technical Details

Applications

This 3-inch 1502 cross is heavily utilized in high-pressure well testing, flowback manifolds, and cementing operations where sour gas (H2S) is known or expected. The built-in 1/2" NPT tap makes it a preferred fitting for data acquisition junctions, allowing operators to monitor pressure and temperature exactly where fluid streams intersect.

Quality Assurance

Manufactured to strict API 6A and NACE MR0175 specifications. The heavy-duty forging undergoes rigorous non-destructive testing (NDT), including ultrasonic (UT) and magnetic particle (MPI) inspections to guarantee zero micro-fractures. It is hydrostatically pressure tested to ensure complete seal integrity prior to field deployment.

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