4
Technical specifications
Valve body
Materials:
Body: - threaded versions: brass EN 12165 CW617N
- flanged versions: “LOW LEAD” dezincification resistant alloy
EN 12165 CW724R
Ball: - 3/4”–1 1/4” versions: brass EN 12165 CW614N, chrome plated
1 1/2”–2” versions: brass EN 12165 CW614N, chrome plated, POM
- flanged versions: stainless steel AISI 316
Hydraulic seals: threaded versions: EPDM - flanged versions: NBR
Body nominal pressure: PN 16
Maximum working pressure: 10 bar
Maximum differential pressure: 5 bar
Maximum inlet temperature: 100°C
Temperature gauge scale: 0–80°C
Hot and cold water connections:
3/4”–2” M (ISO 10226-1) with union
Mixed water connection: 3/4”–2” F (ISO 10226-1) with union
Flanged connections: DN 65 and DN 80, PN 16 can be coupled with
counterflange EN 1092-1
Actuator for threaded version
Electric supply: 24 V (ac) - 50/60 Hz directly from the regulator
Power consumption: 6 VA
Protection cover: self-extinguishing V0
Protection class: IP 65
Ambient temperature range: -10–55°C
Electric supply cable length: 0,8 m
Actuator for flanged version
Electric supply: 24 V (ac) - 50/60 Hz directly from the regulator
Power consumption: 10,5 VA
Protection cover: self-extinguishing V0
Protection class: IP 65
Ambient temperature range: -10–55°C
Electric supply cable length: 2 m
Digital regulator
Material:
Housing: self-extinguishing ABS,
white RAL 1467
Cover: self-extinguishing SAN, smoked transparent
Electric supply: 24 V (ac) 50/60 Hz
Power consumption: 6,5 VA
Adjustment temperature range: 20–85°C
Disinfection temperature range: 40–85°C
Ambient temperature range: 0–50°C
Protection class: IP 54 (wall mounting)
(Class II appliance)
Contact rating:
Mixing valve control: 1A / 24 V
Alarm relay (R2): 5(2) A / 24 V
Relay 1, 3, 4: 10(2) A / 24 V
Fuses: 1 (main): 400 mA
Fuses: 2 (mixing valve): 1 A
Charge reserve: 15 days in the event of electric supply failure,
with a 3-cell rechargeable 150 mAh buffer battery
Enabled by microswitch.
Battery recharging time: 140 h
Conforms to Directives: CE
Temperature probes
Material:
Body: stainless steel
Type of sensitive element: NTC
Working temperature range: -10–125°C
Resistance: 10000 Ohm at 25°C
Time constant: 2,5
Max. distance for flow or recirculation probe: 150 m cable 2x1
250 m cable 2x1,5
Mixing valve performance
Accuracy: ± 2°C
Maximum differential pressure: 5 bar
Maximum ratio between inlet pressures
(H/C or C/H) with Gmin = 0,5 Kv: 2:1
*
Δp = 1,5 bar
RECOMMENDED flow rates to ensure stable operation and an
accuracy of ± 2°C
Size
Kv (m3/h)
DN 20
3/4”
8,4
DN 25
1”
10,6
DN 32
1 1/4”
21,2
DN 40
1 1/2”
32,5
DN 50
2”
41,0
DN 65
90,0
DN 80
105,0
Size
Min (m3/h)
Max (m3/h)*
DN 20
3/4”
0,5
10,3
DN 25
1”
0,7
13,2
DN 32
1 1/4”
1,0
28,1
DN 40
1 1/2”
1,5
39,0
DN 50
2”
2.0
48.3
DN 65
4,0
110,0
DN 80
5,0
150,0
