DNIP100110 3/4 x 4 in Black Standard Weld Nipple Domestic (...)

The Matco‑Norca™ 101‑050130 is a heavy-duty welded nipple constructed from domestic black iron pipe meeting ASTM A‑53 and A‑733 specifications. Featuring Schedule 40 wall thickness, this nipple is suitable for standard-pressure transport of water, gas, oil, and steam. Both ends are precision-machined to ¾″ male NPT per ASME B1.20.1 standards, providing reliable, leak-resistant threaded connections. The welded construction ensures structural continuity and mechanical integrity throughout the 4″ length, making it ideal for HVAC, plumbing, gas distribution, hydronic systems, and industrial piping applications requiring mid-length threaded couplings.

Domestic Schedule 40 black iron welded nipple, ¾″ nominal diameter × 4″ length, for threaded piping systems.

Manufacturer: Matco-Norca

Product Features

• ¾″ nominal diameter × 4″ overall length
• Schedule 40 standard wall thickness
• Fully welded black iron construction
• ¾″ male NPT threads on both ends, ASME B1.20.1 compliant
• Constructed from ASTM A‑53/A‑733 domestic black iron
• Typical pressure rating up to approximately 300 psi (system-dependent)
• Temperature serviceable up to 480 °F in non-corrosive environments

Product Attributes

Availability