All sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Screwed, Figure 130, Fittings.

All sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Screwed, Figure 130, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Sweeping, Swept, 45°, Bend, Figure 41, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable 45°, 45 Degree, Malleable Iron, Threaded, Screwed, Figure 120, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Figure 90, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Sweeping, Swept, Long, Bend, Figure 193, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Sweeping, Swept, Short, Bend, Figure 193, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Union, FXF, Threaded, Screwed, Figure 340, Fittings.

Both sides threaded: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Screwed, Figure 280, Fittings.

Both sides threaded: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Screwed, Figure 280, Fittings.

Threaded: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Plug, Hollow, Termination, Blanking, Figure 147, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Sweeping, Swept, Street, MXF, MF, 45°, Bend, Figure 40, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Sweeping, Swept, Long, Street, MF, MXF Bend, Figure 192, Screwed, Fittings.

Both sides threaded: 3/4" BSPT Male x BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable 45°, 45 Degree, MxF, MF, Male x Female, Street, Malleable Iron, Threaded, Screwed, Figure 121, Fittings.

Side One Thread: 3/4" BSPP Female
Side Two Thread: 3/4" BSPT Male
Both Sides Suit an Outside Diameter (OD) of: 26.9mm
Male x Female Elbow, Also known as a 'Street Elbow '
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, MXF, Male x Female Screwed, Figure 90 MF, Fittings.

Both sides threaded: 3/4" BSPT Male x BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Union, MXF, Street, Threaded, Screwed, Figure 341, Fittings.

Threaded: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Threaded, Figure 185, Screwed, Fittings.

Both sides threaded: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Socket, Coupling, Connector, Straight, Threaded, Screwed, Figure 220, Fittings.

Both sides threaded: 3/4" BSPP Female x Female
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Socket, Coupling, Connector, Straight, Threaded, Screwed, Figure 220, Fittings.

Threaded: 3/4" BSPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Threaded, Plug, Solid, Termination, Blanking, Figure 147, Screwed, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm
Side 2 threaded: 1/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm
Side 2 threaded: 1/4" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 13.72mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 1/4" BSPP Female
Side 2 suits an outside diameter (OD) of: 13.72mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 1/4" BSPP Female
Side 2 suits an outside diameter (OD) of: 13.72mm

Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Run threads: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Branch Thread: 1/2" BSPP Female
Suits an outside diameter (OD) of: 21.3mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Branch, Tee, Threaded, Screwed

Run threads: 3/4" BSPP Female
Suits an outside diameter (OD) of: 26.9mm
Branch Thread: 3/8" BSPP Female
Suits an outside diameter (OD) of: 17.15mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Branch, Tee, Threaded, Screwed

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm
Side 2 threaded: 3/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 17.15mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.

Side 1 Thread: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Side 2 Thread: 3/8" BSPT Male x Male
Suits an outside diameter (OD) of: 17.15mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Reducing Heagon Nipple, Malleable, Iron, Threaded, Screwed, Figure 245, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 3/8" BSPP Female
Side 2 suits an outside diameter (OD) of: 17.15mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 3/8" BSPP Female
Side 2 suits an outside diameter (OD) of: 17.15mm

Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm
Side 2 threaded: 1/2" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 21.3mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.

Side 1 Thread: 3/4" BSPT Male x Male
Suits an outside diameter (OD) of: 26.9mm
Side 2 Thread: 1/2" BSPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Reducing Heagon Nipple, Malleable, Iron, Threaded, Screwed, Figure 245, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 1/2" BSPP Female
Side 2 suits an outside diameter (OD) of: 21.3mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Side 1 threaded: 3/4" BSPP Female
Side 1 suits an outside diameter (OD) of: 26.9mm

Side 2 threaded: 1/2" BSPP Female
Side 2 suits an outside diameter (OD) of: 21.3mm

Material: Malleable Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Reducing Socket, Concentric, Coupling, Connector, Threaded, Screwed, Figure 240, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 50mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 60mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 80mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 100mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 120mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.

Threaded both sides: 1" BSPT Male x Male
Suits an outside diameter (OD) of: 33.4mm
Overall Length: 150mm
Material: Wrought Iron
Finish: Galvanised

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Wrought Iron, EN 10241 & EN 10226-1

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems.

Alternative terminology:
Malleable, Iron, Heavy, Heavyweight, Weldable, Nipple, Equal, Straight, Threaded, Screwed, Fittings.