Both sides threaded: 4" BSPP Female x Female
Suits an outside diameter (OD) of: 114.3mm
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, Socket, Coupling, Connector, Straight, Threaded, Screwed, Figure 220, Fittings.