4″x2″ Black Pipe Bushing NPT Reducer Fitting Cast Iron – B&K LLC 1K313

Overview

Industrial 4" x 2" Black Pipe NPT Bushing – Heavy-Duty Cast IronThis B&K LLC 4" x 2" Black Pipe Bushing is a high-quality industrial NPT reducer fitting designed for gas piping, LP/propane systems, natural gas lines, and heavy-duty plumbing applications. Built from durable cast iron with a protective black coating, this bushing provides long service life in demanding environments.

The 4" male NPT to 2" female NPT reduction allows secure transitions between large-diameter piping and smaller system components. Precision-cut NPT threads ensure a tight, leak-resistant connection suitable for residential, commercial, and industrial systems.✔ Features & Benefits

Heavy-duty cast iron construction for maximum durabilityThreaded NPT connection for secure leak-tight installation

Ideal for LP gas, propane, and natural gas piping systems

Corrosion-resistant black finish

Compatible with standard black iron piping used in HVAC, gas distribution, and industrial plumbing systemsManufactured by B&K LLC – known for reliable industrial fittingsApplications

Propane & LP gas pipingNatural gas service lines

Industrial plumbing & mechanical systemsPipe size reductions in high-pressure or high-flow linesHVAC and utility infrastructureThis is a brand-new, unused fitting sourced directly from distributor inventory.

Product details

Part / SKU	1K313

Package includes

• 4"x2" Black Pipe Bushing NPT Reducer Fitting Cast Iron – B&K LLC 1K313

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.