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Data sheet 48.1 - 15
SINTESI
MOTORISED BALL VALVE
FLUID MECHANICAL CHARACTERISTICS
KvS (m3/h with ∆p = 100kPa = 1bar)
MODEL
Ø
PN (bar)
KvS
1/2"
3/4"
1"
1/2"
2 Way with
REGULATING DISC 1/2"
16,3
29,5
43
2,5
4
SQUARE
body valve
3/4"
11,5
1/2"
3/4"
1"
1/2"
3/4"
1"
6
11,5
18,3
16,3 / 0,8
29,5 / 1,9
43 / 2,9
2 Way
DIAGRAM PN = f(T)
30
20
10
0
Diverter/
Mixer
By-pass
0
100
50
150
200
T(°C)
When the value of the flow is known, the general expression
for the calculation of pressure losses is the following:
The simplified expression provided applies to water or technically similar fluids.
KvS (m3/h with ∆p = 100kPa = 1bar)
MODEL
2 Way BRASS
ISO 5211
3 Way BRASS
ISO 5211
PN (bar)
DIAGRAM PN = f(T)
70
Ø
KvS
1/4"
3/8"
1/2"
5,4
6
16,3
3/4"
1/4"
3/8"
1/2"
29,5
2,8
3
3,9
3/4"
7,9
60
50
2 WAY ISO Ø from 1/4" to 3/4"
40
3 WAY ISO Ø from 1/4" to 3/4"
30
20
10
0
-20
0
50
100
150
T(°C)
PRESSURE
• Nominal operating
• Max. differential operating
FLUIDS
Fluido utilizzabile
Valvola 2/3 VIE/3 VIE con TEE di by-pass
16 bar
16 bar
Valve 2 WAY ISO 5211
40 bar
16 bar
Valve 3 WAY ISO 5211
30 bar
16 bar
SQUARE Body valve
16 bar
16 bar
Water and fluids compatible with EPDM and TEFLON • Other fluids on request
TEMPERATURES
• Min.
• Max.
-10°C
+100 °C
Spacer
-20°C
+110 °C
Spacer + ISO 5211 body valve / SOLAR THERMAL PLANTS body valve *
-20°C
+160 °C
* see page 11
COMPARATO NELLO SRL
10
QUALITY SYSTEMS CERTIFIED UNI EN ISO 9001: 2008