| MAIN CHARACTERISTICS AND USES |
The
RA thermostatic mixings valves are used in hot water systems for
sanitary use. They keep the temperature of mixed water supplied to the
user constant even when the condition listed below vary:
- Temperature
- Supply pressure
- Incoming hot and cold water flow
The RA thermostatic mixing valves have a temperature range that is ideal
for heating a centralized water system with heater . They also have an
internal anti-limestone lining.
OPERATION : The valves
were designed to supply domestics hot water at an adjustable and
constant temperature where no other regulating system is present. The
very sensitive thermostatic elements is positioned centrally inside the
out going stream union and its guides a regulating shutter which
adjusted the ingoing cold water flow to the hot water flow according to
the required water temperature . The knob can be used to regulate the
temperature of the outgoing water.
MATERIALS :
- Shutter - Brass
- Body - Brass
- Tap - Brass
- Spring - Stainless steel
- Knob - PA6
|
| DIMENSIONS AND HYDRAULIC CHARACTERISTICS |
| Model | G | L | A | C | KVS(m³/h) |
|---|
|
|
|
|
| C-MIX | H-MIX | | 15 | G1/2 | 146 | 82 | 148 | 1.6 | 1.7 | | 20 | G3/4 | 146 | 82 | 148 | 1.6 | 1.7 | | 25 | G1 | 74 | 46 | 112 | 1.6 | 1.7 | | 32 | G1/4 | 74 | 46 | 112 | 1.6 | 1.7 |
|
| Table 1:Valve Characteristics (dimensions in mm) |
|
| Fig. 1: TWA-RA Valve Dimensions |
|
| Fig. 2: Incoming and Outgoing and Mixing |
FUNCTIONAL CHARACTERISTICS :
- Nominal pressure : PN 10
- Regulation field :30 °C - 60 °C
- Fluid used : water
- Max. working pressure (static) : 14 bar
- Max. working pressure (dynamic): 5 bar
- Max. ingoing temperature :85 °C
- Max. ratio between the input pressures (H/C or C/H) : 2:1
- Threads: internal and external ISO228/1
|
| APPLICATION EXAMPLES |
|
| Fig. 3: RA application example |
| DIAGRAMS |
Wall boilers instantaneous heat exchangers
|
Accumulation boilers, solar panel production system, electric water heaters
|
| Sanitary system with hot water recycle |
