ISO Bolted Bored Flange

Description

Tube OD : 2-1/2 to 20″ inches (63.5 to 508 mm)
Fittings : Tube Finishes: Beadblast (Tumbled Standard & Electro finishes available upon request)
Material : 304 Standard (304L, 316 & 316L available upon request)
O-Rings : Viton Standard (Buna available upon request)
Fasteners : Claw Clamps-Aluminium, Bolts-Stainless Steel
Vacuum Range : Elastomer seal: ≥1 x 10^-8 mbar – High Vacuum
Temperature Range :
- Viton: -20°C to 200°C
- Buna: -30°C to 110°C

Part Number	Flange (ISO)	Nominal I.D.	A	B	C	D	E	F	Bolt Holes	Bolt Diameter
ST-IS-63WF250B	63	2-1/2 (63.50)	5.118 (130.00)	0.472 (11.99)	2.438 (61.93)	2.510 (63.75)	0.250 (6.35)	4.331 (110.01)	4	0.359 (0.912)
ST-IS-80WF300B	80	3 (76.20)	5.709 (145.01)	0.472 (11.99)	2.938 (74.63)	3.010 (76.45)	0.250 (6.35)	4.921 (124.99)	8	0.359 (0.912)
ST-IS-100WF400B	100	4 (101.60)	6.496 (165.00)	0.472 (11.99)	3.910 (99.31)	4.010 (101.85)	0.250 (6.35)	5.709 (145.01)	8	0.359 (0.912)
ST-IS-160WF600B	160	6 (152.40)	8.858 (224.99)	0.630 (16.00)	5.875 (149.23)	6.020 (152.91)	0.375 (9.53)	7.874 (200.00)	8	0.438 (11.13)
ST-IS-200WF800B	200	8 (203.20)	11.220 (284.99)	0.630 (16.00)	7.875 (200.03)	8.020 (203.71)	0.375 (9.53)	10.236 (259.99)	12	0.438 (11.13)
ST-IS-250WF1000B	250	10 (254.00)	13.189 (335.00)	0.630 (16.00)	9.875 (250.83)	10.020 (254.51)	0.375 (9.53)	12.205 (310.01)	12	0.438 (11.13)
ST-IS-320WF1200B	320	12 (304.80)	16.732 (424.99)	0.787 (19.99)	11.760 (298.70)	12.020 (305.31)	0.375 (9.53)	15.551 (395.00)	12	0.438 (11.13)
ST-IS-320WF1275B	320	12 (304.80)	16.732 (424.99)	0.787 (19.99)	12.420 (315.47)	12.770 (324.36)	0.375 (9.53)	15.551 (395.00)	12	0.551 (14.00)
ST-IS-400WF1600B	400	16 (406.40)	20.079 (510.01)	0.787 (19.99)	15.642 (397.31)	16.020 (406.91)	0.375 (9.53)	18.898 (480.01)	16	0.551 (14.00)
ST-IS-500WF2000B	500	20 (508.80)	24.016 (610.01)	0.787 (19.99)	19.642 (498.91)	20.020 (508.51)	0.375 (9.53)	22.835 (580.01)	16	0.551 (14.00)