Hot-dip galvanised (HDG) malleable iron pitcher tees are available here, this includes equal and reducing pitcher tees in sizes 1/2" (15mm) - 4" (100mm) NB. All these cast malleable iron swept tees are BSI Kitemarked manufactured to BS EN 10242:1995 by Jinan Meide.
These malleable iron pipe fittings are all female BSPT taper threaded to ISO 7-1 and 25 bar (PN25) pressure rated at up to 120°C, the full operating temperature range is -20°C - 300°C. Branch reducing tees as well as reducing on the run versions are available, pitcher tees are often used with BS EN 10255 pipe on systems handling compressed air, non-potable water, unleaded fuels and more.