Center holed JIS vacuum flange without O-ring groove, KVF-series

We stock ISO vacuum flange for immediate shipping.

Applicable bolts and o-rings for immediate shipping available, please ask for further detail!

Center holed without O-ring Groove

Nominal Bore		Applicable Outer Dia.	Flange size			Flange Size			Bolt	O-ring
(A)	(B)		Inner Dia.	Outer Dia.	Thickness	Bolt hole
(A)	(B)		φdo	φD	ｔ	φC	h	Numbers
10	3/8	17.3	17.5	70	8	50	10	4	M8×25	V- 24
20	3/4	27.2	27.5	80	8	60	10	4	M8×25	V- 34
25	1	34	34.4	90	8	70	10	4	M8×25	V- 40
40	1 1/2	48.6	49	105	10	85	10	4	M8×25	V- 55
50	2	60.5	61	120	10	100	10	4	M8×25	V- 70
65	2 1/2	76.3	76.8	145	10	120	12	4	M10×30	V- 85
80	3	89.1	89.8	160	12	135	12	4	M10×40	V-100
100	4	114.3	115	185	12	160	12	8	M10×40	V-120
125	5	139.8	141	210	12	185	12	8	M10×40	V-150
150	6	165.2	166	235	12	210	12	8	M10×40	V-175
200	8	216.3	218	300	16	270	15	8	M12×55	V-225
250	10	267.4	269	350	16	320	15	12	M12×55	V-275
300	12	318.5	320	400	16	370	15	12	M12×55	V-325
350	14	355.6	358.1	450	20	420	15	12	M12×65	V-380
400	16	406.4	409	520	20	480	19	12	M16×65	V-430
450	18	457.2	460	575	20	535	19	16	M16×65	V-480
500	20	508	511	625	22	585	19	16	M16×70	V-530

Nominal Bore		Applicable Outer Dia.	Flange size			Flange Size			Bolt	O-ring
(A)	(B)		Inner Dia.	Outer Dia.	Thickness	Bolt hole
(A)	(B)		φdo	φD	ｔ	φC	h	Numbers
40	1 1/2	48.6	49	105	10	85	10	4	M8×25	V- 55
65	2 1/2	76.3	76.8	145	10	120	12	4	M10×30	V- 85