technical

	SADIP	ISO 2531	BSEN 545		REMARKS
MARKINGS	Manufacturer's name Nominal size Year of Manufacture Symbol of Ductile Iron Additional marking request	Manufacturer's name Nominal size Year of Manufacture Symbol of Ductile Iron	Manufacturer's Name Nominal size Year of Manufacture Symbol of Ductile Iron BSEN 545		OK
MIN. WALL THICKNESS	4.7 minimum	4.7 minimum	4.7 minimum		OK
MECHANICAL PROPERTIES	T. Strength=420 min Elongation = 10%	420 min 10%	420 min 10%		OK
HARDNESS	< 230 HB	<230 HB	<230 HB		OK
HYDROTEST	DN (100-300)- 60 Bars DN (350-600)- 50 Bars	DN (100-300)- 50 Bars DN (350-600)- 40 Bars	DN (100-300)- 50 Bars DN (350-600)- 40 Bars		SADIP all exceeds
CEMENT THICKNESS	(DN 100-300)* normal- 3.5 mm min. ave.- 3.0 min. 1 pt.- 2.0 (DN 350-600) normal- 5.0mm min. ave.- 4.5mm min. 1 pt.- 3.5mm	(DN 100-300)* normal- 3.0 mm min. ave.- 2.5 min. 1 pt.- 1.5 (DN 350-600) normal- 5.0mm min. ave.- 4.5mm min. 1 pt.- 2.5mm	(DN 100-300)* normal- 3.0 mm min. ave.- 2.0 min. 1 pt.- (DN 350-600) normal- 5.0mm min. ave.- 3.0mm min. 1 pt.-		SADIP all exceeds
ACCEPTABLE CEMENT CRACKS	0.8 mm Max. (all DN sizes)	0.8 mm Max. (all DN sizes)	0.8mm Max. DN 100-300	1.0 mm Max DN 350-600	SADIP & ISO exceeds BSEN 545 in (DN 350-600)
ZINC	200 gm/m²	130 gm/m²	130 gm/m²		SADIP all exceeds
BITUMINOUS PAINT	120 um ave. min	70 um ave. min	70 um ave. min
PAINT	100 um min. at 1 pt.	50 um min. at 1 pt.	50 um min. at 1 pt.