ZTV / ZTR - 2- and 3-way control valves DN15-25, kvs 0.25-7.0, 5.5 mm stroke
Valves used 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.
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(20 st)-
ZTV15-0,25- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.25 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTV15-0,4
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.4 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTV15-0,6
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.6 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTV15-1,0
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 1 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTV15-1,6
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 1.6 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTV20-2,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 2 m³/h
- Max. diff. pressure
- 250 kPa
-
ZTV20-2,5
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 2.5 m³/h
- Max. diff. pressure
- 250 kPa
-
ZTV20-4,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 4 m³/h
- Max. diff. pressure
- 150 kPa
-
ZTV20-6,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 6 m³/h
- Max. diff. pressure
- 150 kPa
-
ZTV25-7,0
- Connection
- G1"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN25
- Kvs
- 7 m³/h
- Max. diff. pressure
- 70 kPa
-
ZTR15-0,25
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.25 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTR15-0,4
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.4 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTR15-0,6
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 0.6 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTR15-1,0
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 1 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTR15-1,6
- Connection
- G 1/2"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN15
- Kvs
- 1.6 m³/h
- Max. diff. pressure
- 350 kPa
-
ZTR20-2,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 2 m³/h
- Max. diff. pressure
- 250 kPa
-
ZTR20-2,5
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 2.5 m³/h
- Max. diff. pressure
- 250 kPa
-
ZTR20-4,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 4 m³/h
- Max. diff. pressure
- 150 kPa
-
ZTR20-6,0
- Connection
- G 3/4"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN20
- Kvs
- 6 m³/h
- Max. diff. pressure
- 150 kPa
-
ZTR25-7,0
- Connection
- G1"
- Actuator connection
- Standard for RVAZ4 actuators
- Rangeability
- 50:1
- Stroke
- 5.5 mm
- Nominal diameter
- DN25
- Kvs
- 7 m³/h
- Max. diff. pressure
- 70 kPa
Specifications
| Application | Heating, Cooling, Ventilation, Fan coil |
|---|---|
| Pressure rating | PN16 |
| Connection types | BSP externally threaded according to ISO 228/1 |
| Flow characteristics | Equal percentage |
| Leakage | 0.0 % of Kvs (No leakage) |
| 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 |
| Stuffing box | Chromed brass CW614N |
