Flange connection PN16

• Valves made of grey cast iron and ductile cast iron with integral flanges.
• Nominal width DN15-DN200
• Pressure rating PN16
• Flange dimensions EN 1092-1
• Sealing face form C
• Mounting length EN 558-1 Series 1

Example: DN20 PN16 EN 1092-1 Form B1/B2, sealing face Form C

Flange dimensions (in mm) EN 1092-1

DN/mm	PN16 D	PN16 k	PN16 d2	PN16 z
15	95	65	14	4
20	105	75	14	4
25	115	85	14	4
32	140	100	18	4
40	150	110	18	4
50	165	125	18	4
65	185	145	18	8
80	200	160	18	8
100	220	180	18	8
125	250	210	18	8
150	285	240	22	8
200	340	295	22	12

Installation lengths (in mm) EN 558-1

• Series 1 = Solenoid valves, externally controlled valves, ball valves
• Series 20 = Butterfly valves, gate valves
• Series 27 = Ball valves

DN/mm	series 1	series14	series15	series20	series27
15	130	115	-	-	115
20	150	120	-	25	120
25	160	125	120	25	125
32	180	130	140	33	130
40	200	140	240	33	140
50	230	150	250	43	150
65	290	170	270	46	170
80	310	180	280	46	180
100	350	190	300	52	190
125	400	200	325	56	325
150	480	210	350	56	350
200	600	230	400	60	400