double 90,45,22.5,11.25 degree bend
class: K12
T type or K type
Material: ductile ironStandard: ISO2531/BS  EN545 Application : water supply
class: k12 without branches 
            k14 with branches,
with cement mortar interlined according to ISO4179: 1985, externally with metal zinc paint according to ISO8179: 1985 followed by bitumen coating according to BS 3416.