Italy Standard Uni 6090 Pn16 Lapped Joint/Loose Flange

ITALY STANDARD UNI 6090 PN16 LAPPED FLANGE DIMENSIONS TABLE
Directions for the designation		Lapped flanges							Sscrews	Weight
Rated Diameter	External diameter of the pipe	a	b	D	d2	f	t	Holes		Flange
25	30	85	16	115	33	14	4	4	M12	1,11
	33,7				37					1,08
32	38	100	16	140	41	18	4	4	M 16	1,63
	42,4				46					1,58
40	44,5	110	16	150	48	18	4	4	M 16	1,85
	48,3				52					1,81
50	57	125	16	165	62	18	4	4	M 16	2,16
	60,3				64					2,14
65	76,1	145	16	185	80	18	4	4	M 16	2,60
80	88,9	160	18	200	94	18	5	8***	M 16	3,14
100	108	180	18	220	113	18	5	8	M 16	3,63
	114,3				119					3,47
125	133	210	18	250	138	18	5	8	M 16	4,49
	139,7				145					4,26
150	159	240	18	285	164	22	5	8	M 20	5,54
	168,3				174					5,16
175	193,7	270	20	315	200	22	5	8	M 20	6,76
200	219,1	295	20	340	225	22	5	12	M 20	7,22
250	267	355	24	405	273	25	5	12	M 22	12,0
	273				279					11,6
300	323,9	410	28	460	330	25	5	12	M 22	16,3
350	355,6	470	32	520	362	25	5	16	M 22	25,4
	368				374					23,6
400	406,4	525	36	580	413	30	6	16	M 27	33,4
	419				426					31,0
450	457,2	585	40	640	464	30	6	20	M 27	43,3
500	508	650	44	715	515	33	6	20	M 30	60,6
*	The weight is approximate and calculated on base 7.85 Kg/dm3
**	Raw hole to be worked again according to the real external diameter of the pipe
*******	For PN10 the flange should have 4 holes