Merchant Steel Threaded Black Half Couplings

Merchant Steel Threaded Black Half Couplings are designed to provide a durable threaded connection point in commercial, industrial, plumbing, and mechanical piping systems. Manufactured from merchant steel and finished in black steel, these couplings offer dependable performance for a wide variety of low and medium-pressure piping applications.

Produced to recognized ASTM and ASME standards, these half couplings provide consistent dimensional accuracy, secure threaded engagement, and reliable service in steel pipe installations.

Key Features

• Merchant steel threaded black half coupling
• Designed for threaded steel piping systems
• Dimensions and materials conform to ASTM A865
• Threads conform to ASME B1.20.1
• Sizes 1/8" through 2" feature NPSC straight threads
• Sizes 2-1/2" and larger feature NPT tapered threads
• Black steel finish for general service applications
• Suitable for commercial and industrial piping systems
• Precision-machined threads for secure fit-up
• Available in multiple pipe sizes

Construction Details

Manufactured from merchant steel materials conforming to ASTM A865 requirements, these half couplings provide reliable strength and dimensional consistency for threaded piping installations.

Threads are machined in accordance with ASME B1.20.1 standards to ensure compatibility with standard threaded steel pipe systems and fittings.

The half coupling design provides a compact threaded branch connection solution for fabrication, maintenance, and piping modification applications.

Important Notes

Merchant coupling dimensions and materials conform to ASTM A865.

Threads conform to ASME B1.20.1. Sizes 1/8" through 2" utilize NPSC straight threads, while sizes 2-1/2" and larger utilize NPT tapered threads.

Verify pipe size, thread type, and application requirements prior to installation.

Product Documents

Merchant Steel Couplings & Fittings Catalog Certificate of Conformance SCI Merchant Steel Fittings - Item Numbers