Georg Fischer VFA Specifications
GF Piping Systems
Wafer Style Butterfly Valve
Type VFA
General
• Size: 2½”–8”
• Body: PVC
• Seals: EPDM/SANTOPRENE™
• Shaft: Zinc-plated steel
• Connection: Both ANSI 150 and DIN 2501
• Operation: Lever
Optional Features
• Actuation: Electric, pneumatic
• Manual Operation: Gear
Conformity
• ISO 16136 Pr EN 1452 - ISO 93930
Specifi cation
The VFA shall be of wafer style and of centric design. The disk seal
shall be reliant on fl ange compression. The outer body shall be PVC
and of unbodied design. The eyelet bolt circle diameter shall be com-
patible with ANSI 150 and DIN 2501 fl ange standards. The lever shall
be lockable in 10 degree increments and include a lockout feature.
The lever handle material shall be PVC and shall be secured to the
shaft via a machine screw. The shaft shall be zinc plated steel and
non-wetted. All valves shall be tested in accordance to ISO9393 and
designed to ISO16136 standards. All valves shall be manufactured
under ISO9001 for Quality and ISO14001 for Environmental
Management.
Technical Data
Pressure/Temperature
165
150
135
120
105
90
75
60
Pressure (psi)
45
30
15
0
20 40 60 80 100 120 140 160
2½" - 6"
8"
Temperature (°F)
Dimensions
Cv values
Size d (mm) Cv Value
2½ 75 176
3 90 227
4 110 462
5 140 835
6 160 1261
8 225 2101
Breakaway Torque
Size (Inch) d (mm) Torque (in-lb)
2½ 75 97
3 90 124
4 110 142
5 140 230
6 160 310
8 225 443
VFA with hand lever
inch d (mm) Ø E (mm) Q (mm) H (mm) H1 (mm) H2 (mm) H3 (mm) H4 (mm) L (mm) L1 (mm) L2 (mm) L3 (mm) G
2½ 75 112 46 246 76 115 55 43 46 46 70 220 11
3 90 128 64 267 92 120 55 43 48 46 70 220 11
4 110 152 84 291 106 130 55 43 54 46 70 220 11
5 140 177 108 321 116 150 55 43 63 46 70 250 14
6 160 212 133 356 131.5 169.5 55 43 69 46 70 250 14
8 200 260 180 433 163 209 61 43 74 46 70 282 17
GF Piping Systems
Tel. (714) 731-8800, Toll Free (800) 854-4090, Fax (714) 731-6201
us.ps@georgfi scher.com, www.gfpiping.com
#1334-30 (2/15)
© 2015 Georg Fischer LLC
Printed in USA
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