Industrietechnik
VFD2, 2-Way Control Valves with Internally Thread Union Connection, DN15–50
2 way valves, DN15-50, kvs 0.25-40, 20 mm stroke. Designed for control of cold, hot or glycol-mixed water. For use in domestic water systems or district heating within the temperature range -5°C...+150°C. They are pressure balanced (from DN20-50, not DN15) and can therefore handle high differential pressure with low force. The valves are intended to be used together with SE5 actuators.
Articles
(17 st)-
VFD215-0,25- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 0.25 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-0,4
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 0.4 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-0,63
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 0.63 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-1,25
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 1.25 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-1,6
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 1.6 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-2,5
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 2.5 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD215-4,0
- Connection
- Internal G 1/2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN15
- Kvs
- 4 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD220-5,0
- Connection
- Internal G 3/4" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN20
- Kvs
- 5 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD220-6,3
- Connection
- Internal G 3/4" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN20
- Kvs
- 6.3 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD225-8,0
- Connection
- Internal G 1" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN25
- Kvs
- 8 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD225-10
- Connection
- Internal G 1" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN25
- Kvs
- 10 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD232-12,5
- Connection
- Internal G 1" 1/4 on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN32
- Kvs
- 12.5 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD232-16
- Connection
- Internal G 1" 1/4 on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN32
- Kvs
- 16 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD240-20
- Connection
- Internal G 1" 1/2 on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN40
- Kvs
- 20 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD240-25
- Connection
- Internal G 1" 1/2 on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN40
- Kvs
- 25 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD250-31,5
- Connection
- Internal G 2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN50
- Kvs
- 31.5 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
-
VFD250-40
- Connection
- Internal G 2" on union end
- Actuator connection
- Standard for RVAN5.../RVAN10... actuators
- Rangeability
- 100:1
- Nominal diameter
- DN50
- Kvs
- 40 m³/h
- Max. diff. pressure
- 1600 kPa
- Media temperature
- -5…150 °C
- Nipple
- DZR brass CW511L
- Valve Type
- 2-Way
Specifications
| Application | Heating, Cooling, Ventilation, District heating, District cooling |
|---|---|
| Pressure rating | PN16 |
| Connection types | BSP externally threaded according to ISO 228/1 |
| Flow characteristics | Equal percentage |
| Leakage | 0.0 % of Kvs (PTFE gasket, carbon-filled 25 %, no leakage) |
| Media | Hot water, Glycol-mixed water (max. 50 % glycol) |
| Stroke | 20 mm |
| Closing direction | When stem is pushed inward |
| Media temperature | -5…150 °C |
| Body | Gunmetal CC491K |
| Seat | Stainless steel 1.4301 |
| Plug | Stainless steel 1.4305 |
| Stem | Stainless steel 1.4305 |
| Seat packing | PTFE (carbon filled 25 %) |
| O-rings | EPDM |
| Stuffing box | Dezincification resistant brass CW511L |
| Bonnet | Gunmetal CC491K |
| Gasket | EPDM |
| Nut | Galvanized malleable cast iron |
| Fitting seal | Novatec Premium 2, Nitrile bonded aramid fibre with graphite |
Software & documentation
Product sheet
Other documentation