ISO Outer / Inner Centering Ring with O-Rings are available in the following sizes: ISO 63, ISO 80, ISO 100, ISO 160, ISO 200 and ISO 250. \n \nISO Outer / Inner Ring Centering Ring w/O-Ring is made of Aluminum, Stainless Steel, and Viton. \n \nISO Flange Series comprises two smooth face flanges clamped together with metal centering rings and elastomeric O-Rings. \n

Parts No.	Size	A	B	C	D	E	Material-C/R	Material-O/R	Material-O'Ring
EV02025	ISO63	68	70	8	3.9	94	304 S.S.	AI	Viton
EV02026	ISO80	81	82.6	8	3.9	109	304 S.S.	Al	Viton
EV02027	ISO100	100	102	8	3.9	128	304 S.S.	Al	Viton
EV02028	ISO160	148	153	8	3.9	179	304 S.S.	Al	Viton
EV02078	ISO200	210	213	8	3.9	238	304 S.S.	Al	Viton
EV02079	ISO250	257.5	261	8	3.9	287	304 S.S.	Al	Viton