ISO Bolted Blank 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	Bolt Holes	Bolt Diameter
ST-IS-63BFB	63	2-1/2 (63.50)	5.118 (130.00)	0.472 (11.99)	4.331 (110.01)	4	0.359 (0.912)
ST-IS-80BFB	80	3 (76.20)	5.709 (145.01)	0.472 (11.99)	4.921 (124.99)	8	0.359 (0.912)
ST-IS-100BFB	100	4 (101.60)	6.496 (165.00)	0.472 (11.99)	5.709 (145.01)	8	0.359 (0.912)
ST-IS-160BFB	160	6 (152.40)	8.858 (224.99)	0.630 (16.00)	7.874 (200.00)	8	0.438 (11.13)
ST-IS-200BFB	200	8 (203.20)	11.220 (284.99)	0.630 (16.00)	10.236 (259.99)	12	0.438 (11.13)
ST-IS-250BFB	250	10 (254.00)	13.189 (335.00)	0.630 (16.00)	12.205 (310.01)	12	0.438 (11.13)
ST-IS-320BFB	320	12 (304.80)	16.732 (424.99)	0.787 (19.99)	15.551 (395.00)	12	0.438 (11.13)
ST-IS-400BFB	400	16 (406.40)	20.079 (510.01)	0.787 (19.99)	18.898 (480.01)	16	0.551 (14.00)
ST-IS-500BFB	500	20 (508.80)	24.016 (610.01)	0.787 (19.99)	22.835 (580.01)	16	0.551 (14.00)