Industrietechnik

VFBF, Internally Threaded 2/3-Way Control Valves, DN15–50

Valves, DN15-50, kvs 0.63-40, 20 mm stroke, designed for control of hot, cold or glycol-mixed water in heating and ventilation systems. The valves are intended for use together with Industrietechnik’s SE5…/SE10… actuators.

Specifications

Software & documentation

Articles

(22 st)

VFBF215-0.63

Connection

G½"

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…140 °C

Valve Type

2-Way
VFBF215-1.0

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

1 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF215-1.6

Connection

G½"

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…140 °C

Valve Type

2-Way
VFBF215-2.1

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

2.1 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF215-2.7

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

2.7 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF220-4.2

Connection

G¾"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN20

Kvs

4.2 m³/h

Max. diff. pressure

1000 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF220-5.6

Connection

G¾"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN20

Kvs

5.6 m³/h

Max. diff. pressure

1000 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF225-10

Connection

G1"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN25

Kvs

10 m³/h

Max. diff. pressure

600 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF232-16

Connection

G1¼"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN32

Kvs

16 m³/h

Max. diff. pressure

400 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF240-25

Connection

G1½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN40

Kvs

25 m³/h

Max. diff. pressure

300 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF250-40

Connection

G2"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN50

Kvs

40 m³/h

Max. diff. pressure

200 kPa

Media temperature

-5…140 °C

Valve Type

2-Way
VFBF315-0.63

Connection

G½"

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…140 °C

Valve Type

3-Way
VFBF315-1.0

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

1 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF315-1.6

Connection

G½"

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…140 °C

Valve Type

3-Way
VFBF315-2.1

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

2.1 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF315-2.7

Connection

G½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN15

Kvs

2.7 m³/h

Max. diff. pressure

1600 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF320-4.2

Connection

G¾"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN20

Kvs

4.2 m³/h

Max. diff. pressure

1000 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF320-5.6

Connection

G¾"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN20

Kvs

5.6 m³/h

Max. diff. pressure

1000 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF325-10

Connection

G1"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN25

Kvs

10 m³/h

Max. diff. pressure

600 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF332-16

Connection

G1¼"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN32

Kvs

16 m³/h

Max. diff. pressure

400 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF340-25

Connection

G1½"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN40

Kvs

25 m³/h

Max. diff. pressure

300 kPa

Media temperature

-5…140 °C

Valve Type

3-Way
VFBF350-40

Connection

G2"

Actuator connection

Standard for RVAN5.../RVAN10... actuators

Rangeability

100:1

Nominal diameter

DN50

Kvs

40 m³/h

Max. diff. pressure

200 kPa

Media temperature

-5…140 °C

Valve Type

3-Way

Specifications

Specifications for VFBF, Internally Threaded 2/3-Way Control Valves, DN15–50
Application	Cooling, Ventilation, Heating, Heating, Cooling, Ventilation
Pressure rating	PN16
Connection types	BSP internally threaded according to ISO 228/1
Flow characteristics	Equal percentage
Leakage	0.1 % of Kvs ()
Media	Hot water, Cold water, Glycol-mixed water (max. 50 % glycol)
Stroke	20 mm
Closing direction	When stem is pulled outward
Media temperature	-5…140 °C
Body	Brass CW614N
Seat	Brass CW614N
Plug	Brass CW617N
Stem	Stainless steel 1.4305
O-rings	EPDM
Stuffing box	Brass CW614N

Software & documentation

Product sheet

VFBF... (EN)