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Item name | ductile iron pipe fittings double socket reducing taper and elbows |
Type | T-type (push-on), Mechanical Joint(Flanged),Bolted Gland K type Joint |
Material | Ductile Cast Iron GGG50 |
Hydraulic test pressure (bar) | PN10, PN16, PN25 |
Standard | ISO2531 EN545/598 BS4772 |
DN | DN80mm~DN2600mm |
Aoolications | Water supply project, drainage, sewage, irrigation, water pipeline. |
Surface treatment | Epoxy paint |
bitumen paint | |
epoxy powder coating | |
Inner lining treatment | Portland Cement mortar lining |
Bitumen paint | |
Epoxy paint/powder | |
Accessories: | SBR or EPDM Rubber Rings are available |
Packing | Wooden case/pallet with plastic layer,or as per customer's requirements |
Hydraulic Test Pressure(bar) | ||
DN(mm) | Ductile iron pipe fittings | |
DN80-DN300 | 25 | |
DN350-DN600 | 16 | |
DN700-DN1000 | 10 | |
DN1100-DN2600 | 10 | |

Main standards implemented to ductile iron pipes fittings: | ||
Standards | Content | |
ISO 2531 | Ductile iron pipes, fittings and accessories for pressure pipelines | |
ISO 7186 | Ductile iron products for sewage applications. | |
ISO 4179 | Ductile iron pipes for pressure and non pressure pipelines - centrifugal cement mortar lining general requirements. | |
ISO 8179 | Ductile iron pipes - external zinc coating. | |
ISO 4633 | Rubber seals-joint rings for water supply, drainage and sewerage pipelines – Meets the specification for materials. | |
BS EN545 | Requirements and testing methods for Ductile iron pipes, fittings and accessories and their joints for water pipelines. | |
BS EN598 | Requirements and testing methods for Ductile iron pipes, fittings and accessories and their joints for sewerage applications. | |
ISO 14901 | Epoxy coating (heavy duty) of ductile iron fittings and accessories | |
























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