Description

Butterfly Valves, Manual, VAC-U-FLANGE®

Valve Size	Flange Size	Figure	“A”	“B”	“C”	“D”	Part Number
3/4″	1-1/3″	Fig. 1	0.75	–	2.01	0.75	BF-075
1-1/2″	2-3/4″	Fig. 1	0.75	1.34	3.71	1.25	BF-150
2″	3-3/8″	Fig. 1	1.00	1.90	4.90	1.75	BF-200
2-1/2″	4-1/2″	Fig. 2	0.68	2.31	6.84	4.90	BF-250
4″	6″	Fig. 2	0.98	3.83	8.01	4.90	BF-400

Sealing Material: Viton® O-Ring | Bakeout Temperature: 204° C, maximum | Operating Temperature: -29° to 100° C | Pressure Vacuum Range: Atmosphere to 1 x 10-9 Torr | Material Exposed to Vacuum: Stainless Steel & Viton®

Butterfly Valves, Manual, SPEED FLANGE (KF)

Valve Size	Flange Size	“A”	“B”	“C”	“D”	Part Number
3/4″	KF 16	1.75	0.75	2.01	0.75	BF-075-SF
1″	KF 25	2.00	1.00	2.75	1.00	BF-100-SF
1-1/2″	KF 40	2.25	1.37	3.71	1.25	BF-150-SF
2″	KF 50	2.25	1.00	4.90	1.75	BF-200-SF