Malleable Iron Threaded Fittings
Durable threaded pipe fittings for piping, gas, fire protection, and industrial applications.
Robust & Reliable
Malleable iron threaded fittings offer superior strength and corrosion resistance for demanding industrial environments.
black malleable iron pipe fittings
primarily used in gas distribution systems, industrial plumbing, fire sprinkler installations, and HVAC applications.
Robust & Reliable
Malleable iron threaded fittings offer superior strength and corrosion resistance for demanding industrial environments.
Threaded Fitting Types
90° & 45° Elbows
Change direction of pipe runs with precision-engineered elbows.
Standard Sizes
DN15 (½”) DN20 (¾”) DN25 (1″) DN32 (1¼”) DN40 (1½”) DN50 (2″) DN65 (2½”) DN80 (3″) DN100 (4″)
NPT Threaded Ends
Tees & Crosses
Create branch connections with our threaded tees and crosses.
Standard Sizes
DN20×DN15 DN25×DN15 DN25×DN20 DN32×DN15 DN32×DN20 DN32×DN25 DN40×DN15 DN40×DN20 DN40×DN25
Equal & Reducing Options
Couplings & Unions
Connect pipes with standard couplings or removable unions.
Additional Fittings
Pipe Caps/Hex Bushings/Locknuts/Plugs/Reducing Couplings
All fittings available in galvanized and black malleable iron finishes.
Standard & Specialized
galvanized iron pipe fittings
Malleable iron pipe fittings – 4 Way Pipe Fitting Equal Cross, sizes
DN15-DN100 (½”-4″)
Malleable iron pipe fittings – Square Edge PlugSquare Edge Plug, sizes
DN15-DN100 (½”-4″)
（BMI) black malleable iron pipe fittings
Standard Certifications & Approvals
Our PIPE FITTINGS are manufactured to meet or exceed industry standards and often carry approvals from leading certification bodies, demonstrating our commitment to quality and safety in pipe connection solutions. Common certifications include:
UL Listed / ULC Listed
Signifies compliance with Underwriters Laboratories’ stringent safety and performance standards for fire protection equipment and other applications in North America.
FM Approved
FM Approved
Indicates that our ductile iron couplings meet the high property loss prevention standards of FM Global, particularly for fire protection systems.
VdS Approved (Europe)
Recognized in Europe, VdS approval confirms the reliability and quality of our grooved fittings for fire safety and security technology.
ASTM, AWWA, ISO
Our products adhere to relevant ASTM, AWWA, and ISO standards for materials, dimensions, and performance of mechanical pipe joining components.
How Threaded Malleable Iron Tees Shape Branches, Drain Legs, and Future Outlets on Water, Heating, and Gas-Related Lines
See how threaded malleable iron tees shape branch outlets, drain legs, finish choice, and BSP or NPT thread logic on water, heating, and gas-related lines.
Black or Galvanized Threaded Malleable Iron Fittings? Reading Finish Choice on Water, Heating, and Gas-Related Lines
Compare black and galvanized threaded malleable iron fittings by service scene, moisture exposure, thread logic, and line appearance on water, heating, and gas-related runs.
Rigid or Flexible Grooved Couplings? Matching Pipe Movement in Fire Protection and HVAC Runs
See how rigid and flexible grooved couplings answer pipe movement, alignment, gasket context, and cautious fire protection or HVAC service needs.
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