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(12 st)-
VFSF215- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 2.5 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (1100) kPa
-
VFSF220
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 6.3 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (1100) kPa
-
VFSF225
- Nominal diameter
- DN25
- Connection
- G 1"
- Kvs
- 10.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (700) kPa
-
VFSF232
- Nominal diameter
- DN32
- Connection
- G 1 1/4"
- Kvs
- 16.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (440) kPa
-
VFSF240
- Nominal diameter
- DN40
- Connection
- G 1 1/2"
- Kvs
- 25.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (270) kPa
-
VFSF250
- Nominal diameter
- DN50
- Connection
- G 2"
- Kvs
- 40.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (220) kPa
-
VFSF315
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 2.5 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (1100) kPa
-
VFSF320
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 6.3 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (1100) kPa
-
VFSF325
- Nominal diameter
- DN25
- Connection
- G 1"
- Kvs
- 10.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (700) kPa
-
VFSF332
- Nominal diameter
- DN32
- Connection
- G 1 1/4"
- Kvs
- 16.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (440) kPa
-
VFSF340
- Nominal diameter
- DN40
- Connection
- G 1 1/2"
- Kvs
- 25.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (270) kPa
-
VFSF350
- Nominal diameter
- DN50
- Connection
- G 2"
- Kvs
- 40.0 m 3 /h m 3 /h
- Max. diff. pressure
- 220 (220) kPa
Specifications
| Pressure rating | PN16 (ISO7268 / EN1333) |
|---|---|
| Connection | Flanged |
| Flow characteristics | VFSF2 - VFSF3: direct way A → AB equal-percentage VFSF3: indirect way B → AB linear |
| Max. leakage | Direct way A → AB perfect fit Angle way B → AB 0,2 % of KVs |
| Media temperature | -10…+130°C |
| Media | Water, water with glycol max 50% saturated steam max 2,5 ata |
| Rangeability | 50:1 |
| Stroke | 16.5mm |
| Body | Cast-iron G25 |
| Plug | Brass OT58 |
| Stem | Stainless steel AISI 304 |
| Spring | Stainless steel AISI 304 |
| Packing box | Brass OT58 |
| O-rings | FKM |