ISO-K Weld Ring Flange

Pressure range: 1 · 10^-8 hPa to 1500 hPa over pressure (elastomer seal); 1 · 10^-9 hPa to 1500 hPa over pressure (metal seal)
Temperature range: -196 – 300 °C

Nominal diameter	A [mm]	B [mm]	C [mm]	D [mm]	E [mm]	Pipe dimension	Part number
DN 63 ISO-K	95	70	12	63.8	7	63.5 mm × 1.65 mm	320FAN063-63
DN 63 ISO-K	95	70	12	70.3	7	70 mm × 2 mm	320FAN063-70
DN 63 ISO-K	95	70	12	76.4	6	76.1 mm × 3 mm	320FAN063-76
DN 63 ISO-K	95	70	12	76.4	8	76.1 mm × 3 mm	320FAN063-76-S
DN 80 ISO-K	110	83	12	76.4	7	76.1 mm × 3 mm	320FAN080-76
DN 80 ISO-K	110	83	12	89.2	6	88.9 mm × 3 mm	320FAN080-88
DN 100 ISO-K	130	102	12	101.9	7	101.6 mm × 2.1 mm	320FAN100-101
DN 100 ISO-K	130	102	12	104.3	7	104 mm × 2 mm	320FAN100-104
DN 100 ISO-K	130	102	12	108.3	6	108 mm × 3 mm	320FAN100-108
DN 100 ISO-K	130	102	12	108.3	8	108 mm × 3 mm	320FAN100-108-S
DN 100 ISO-K	130	102	12	114.6	6	114.3 mm × 2 mm	320FAN100-114
DN 160 ISO-K	180	153	12	152.7	7	152.4 mm × 2.4 mm	320FAN160-152
DN 160 ISO-K	180	153	12	159.3	6	159 mm × 3 mm	320FAN160-159
DN 160 ISO-K	180	153	12	159.3	8	159 mm × 3 mm	320FAN160-159-S
DN 200 ISO-K	240	213	12	203.6	7	203.2 mm × 2.4 mm	320FAN200-203
DN 200 ISO-K	240	213	12	219.4	6	219 mm × 3 mm	320FAN200-219
DN 200 ISO-K	240	213	12	219.4	8	219 mm × 3 mm	320FAN200-219-S
DN 250 ISO-K	290	261	12	254.4	7	254 mm × 2 mm	320FAN250-254
DN 250 ISO-K	290	261	12	273.4	6	273 mm × 3 mm	320FAN250-273
DN 250 ISO-K	290	261	12	273.4	8	273 mm × 3 mm	320FAN250-273-S
DN 320 ISO-K	370	318	17	324.4	8	324 mm × 3 mm	320FAN320-324
DN 320 ISO-K	370	318	17	324.4	10	324 mm × 3 mm	320FAN320-324-S
DN 400 ISO-K	450	400	17	406.5	8	406 mm × 3 mm	320FAN400-406
DN 500 ISO-K	550	501	17	508.5	8	508 mm × 4 mm	320FAN500-508
DN 630 ISO-K	690	651	22	660.5	12	660 mm × 5 mm	320FAN630-660

Pressure range: 1 · 10^-8 hPa to 1500 hPa over pressure (elastomer seal); 1 · 10^-9 hPa to 1500 hPa over pressure (metal seal)
Temperature range: -196 – 350 °C

Nominal diameter	A [mm]	B [mm]	C [mm]	D [mm]	E [mm]	Pipe dimension	Part number
DN 63 ISO-K	95	70	12	63.8	7	63.5 mm × 1.65 mm	370FAN063-63
DN 63 ISO-K	95	70	12	70.3	7	70 mm × 2 mm	370FAN063-70
DN 63 ISO-K	95	70	12	76.4	6	76.1 mm × 3 mm	370FAN063-76
DN 63 ISO-K	95	70	12	76.4	8	76.1 mm × 3 mm	370FAN063-76-S
DN 80 ISO-K	110	83	12	76.4	7	76.1 mm × 3 mm	370FAN080-76
DN 80 ISO-K	110	83	12	89.2	6	88.9 mm × 3 mm	370FAN080-88
DN 100 ISO-K	130	102	12	101.9	7	101.6 mm × 2.1 mm	370FAN100-101
DN 100 ISO-K	130	102	12	104.3	7	104 mm × 2 mm	370FAN100-104
DN 100 ISO-K	130	102	12	108.3	6	108 mm × 3 mm	370FAN100-108
DN 100 ISO-K	130	102	12	108.3	8	108 mm × 3 mm	370FAN100-108-S
DN 100 ISO-K	130	102	12	114.6	6	114.3 mm × 2 mm	370FAN100-114
DN 160 ISO-K	180	153	12	159.3	6	159 mm × 3 mm	370FAN160-159
DN 160 ISO-K	180	153	12	159.3	8	159 mm × 3 mm	370FAN160-159-S
DN 200 ISO-K	240	213	12	203.6	7	203.2 mm × 2.4 mm	370FAN200-203
DN 200 ISO-K	240	213	12	219.4	6	219 mm × 3 mm	370FAN200-219
DN 250 ISO-K	290	261	12	254.4	7	254 mm × 2 mm	370FAN250-254
DN 250 ISO-K	290	216	12	273.4	6	273 mm × 3 mm	370FAN250-273
DN 320 ISO-K	370	318	17	324.4	8	324 mm × 3 mm	370FAN320-324
DN 400 ISO-K	450	400	17	406.5	8	406 mm × 3 mm	370FAN400-406
DN 500 ISO-K	550	501	17	508.5	8	508 mm × 4 mm	370FAN500-508

Flanges according to ISO 1609