JIS Blank Vacuum Flange without O-ring groove, KVF，B-series

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Blank type without O-Ring groove, KVF B-

Nominal Bore		Applicable Outer Dia.	Flange size			Flange Size		Bolt	O-ring
(A)	(B)		Outer Dia.	Thickness	Bolt hole	Bolt hole
(A)	(B)		φD	ｔ	φC	ｈ	Numbers
10	3/8	17.3	70	8	50	10	4	M8×25	V- 24
20	3/4	27.2	80	8	60	10	4	M8×25	V- 34
25	1	34	90	8	70	10	4	M8×25	V- 40
40	1 1/2	48.6	105	10	85	10	4	M8×25	V- 55
50	2	60.5	120	10	100	10	4	M8×25	V- 70
65	2 1/2	76.3	145	10	120	12	4	M10×30	V- 85
80	3	89.1	160	12	135	12	4	M10×40	V-100
100	4	114.3	185	12	160	12	8	M10×40	V-120
125	5	139.8	210	12	185	12	8	M10×40	V-150
150	6	165.2	235	12	210	12	8	M10×40	V-175
200	8	216.3	300	16	270	15	8	M12×55	V-225
250	10	267.4	350	16	320	15	12	M12×55	V-275
300	12	318.5	400	16	370	15	12	M12×55	V-325
350	14	355.6	450	20	420	15	12	M12×65	V-380
400	16	406.4	520	20	480	19	12	M16×65	V-430
450	18	457.2	575	20	535	19	16	M16×65	V-480
500	20	508	625	22	585	19	16	M16×70	V-530

Nominal Bore		Applicable Outer Dia.	Flange size			Flange Size		Bolt	O-ring
(A)	(B)		Outer Dia.	Thickness	Bolt hole	Bolt hole
(A)	(B)		φD	ｔ	φC	ｈ	Numbers
40	1 1/2	48.6	105	10	85	10	4	M8×25	V- 55
65	2 1/2	76.3	145	10	120	12	4	M10×30	V- 85