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(22 st)-
VFZ210- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.25 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ211
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.4 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ212
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.63 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ213
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 1.0 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ214
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 1.6 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ215
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 2.5 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ218
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 4.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (500) kPa
-
VFZ220
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 6.3 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (500) kPa
-
VFZ225
- Nominal diameter
- DN25
- Connection
- G 1"
- Kvs
- 10.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (250) kPa
-
VFZ232
- Nominal diameter
- DN32
- Connection
- G 1 1/4"
- Kvs
- 13.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (250) kPa
-
VFZ240
- Nominal diameter
- DN40
- Connection
- G 1 1/2"
- Kvs
- 18.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (200) kPa
-
VFZ310
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.25 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ311
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.4 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ312
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 0.63 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ313
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 1.0 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ314
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 1.6 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ315
- Nominal diameter
- DN15
- Connection
- G 1/2"
- Kvs
- 2.5 m 3 /h m 3 /h
- Max. diff. pressure
- 250 (1000) kPa
-
VFZ318
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 4.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (500) kPa
-
VFZ320
- Nominal diameter
- DN20
- Connection
- G 3/4"
- Kvs
- 6.3 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (500) kPa
-
VFZ325
- Nominal diameter
- DN25
- Connection
- G 1"
- Kvs
- 10.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (250) kPa
-
VFZ332
- Nominal diameter
- DN32
- Connection
- G 1 1/4"
- Kvs
- 13.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (250) kPa
-
VFZ340
- Nominal diameter
- DN 40
- Connection
- G 1 1/2"
- Kvs
- 18.0 m 3 /h m 3 /h
- Max. diff. pressure
- 200 (200) kPa
Specifications
| Pressure rating | PN16 (ISO7268 / EN1333) |
|---|---|
| Connection | BSP internally threaded |
| Flow characteristics | Linear |
| Max. leakage | Direct way A → AB perfect sealing Indirect way B → AB 0.2 % Kvs |
| Media temperature | -10…+120°C |
| Media | Water, water with glycol max. 50% |
| Rangeability | 50:1 |
| Stroke | 5.5mm |
| Body | Cast-iron G25 |
| Plug | Brass OT58 |
| Stem | Stainless steel AISI 304 |
| Spring | Stainless steel AISI 304 |
| Packing box | Brass OT58 |
| O-rings | FKM |