Butterfly Valve, Manual

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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
Butterfly Valve Schematic
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

Specifications

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®

Looking for replacement seals or gaskets? You can find them HERE

 

For Custom or Larger Sizes please use our online

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