Industrietechnik

VFTR, Externally Threaded 2/3-Way Control Valves, DN15–25

Valves, DN15-25, kvs 0.25-7.0, 5.5 mm stroke, intended for control of hot and cold water in climate, heating and ventilation systems. They can also control glycol-mixed water in for example liquid connected recovery systems. Intended to be used together with the RVAZ4 actuators.

Specifications

Software & documentation

Articles

(20 st)

VFTR215-0.25

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.25 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR215-0.4

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.4 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR215-0.6

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.6 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR215-1.0

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

1 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR215-1.6

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

1.6 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR220-2.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

2 m³/h

Max. diff. pressure

250 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR220-2.5

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

2.5 m³/h

Max. diff. pressure

250 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR220-4.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

4 m³/h

Max. diff. pressure

150 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR220-6.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

6 m³/h

Max. diff. pressure

150 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR225-7.0

Connection

G 1" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN25

Kvs

7 m³/h

Max. diff. pressure

70 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

2-Way

Actuator

RVAZ4
VFTR315-0.25

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.25 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR315-0.4

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.4 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR315-0.6

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

0.6 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR315-1.0

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

1 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR315-1.6

Connection

G 1/2" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN15

Kvs

1.6 m³/h

Max. diff. pressure

350 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR320-2.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

2 m³/h

Max. diff. pressure

250 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR320-2.5

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

2.5 m³/h

Max. diff. pressure

250 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR320-4.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

4 m³/h

Max. diff. pressure

150 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR320-6.0

Connection

G 3/4" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN20

Kvs

6 m³/h

Max. diff. pressure

150 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4
VFTR325-7.0

Connection

G 1" (ISO 228-1) M

Rangeability

50:1

Stroke

5.5 mm

Nominal diameter

DN25

Kvs

7 m³/h

Max. diff. pressure

70 kPa

Actuator connection

M30x1.5

Media temperature

1…110 °C

Valve Type

3-Way

Actuator

RVAZ4

Specifications

Specifications for VFTR, Externally Threaded 2/3-Way Control Valves, DN15–25
Application	Cooling, Heating
Pressure rating	PN16
Connection types	BSP externally threaded according to ISO 228/1
Flow characteristics	Equal percentage
Leakage	0.0 % of Kvs ()
Media	Hot water, Cold water, Glycol-mixed water (max. 30 % glycol)
Closing direction	When stem is pulled outward
Media temperature	1…110 °C
Body	Brass CW614N
Seat	Brass CW614N
Plug	Brass CW614N
Stem	Stainless steel 1.4305
Seat packing	EPDM
O-rings	EPDM
Spring	Stainless steel

Software & documentation

Product sheet

VFTR... (EN)