Armstrong Rada 40 Handbuch für Installation und Wartung - Seite 2
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Water Temperature Control - Groups of Fixtures
Thermostatic
Rada 320
Rada Thermostatic Mixing Valve of "sealed for life" disposable
cartridge construction. Compact design with top and/or bottom
blended water outlet makes Rada 320 ideal for recessed
enclosure, plumbing chase and utility/mechanical room
installation.
Complete operating mechanism of valve is enclosed in a
durable polymer cartridge for ease of field maintenance.
Powerful internal mechanism and non metallic wetted parts
resist mineral deposition.
Capable of close temperature control at diverse flow rates
between 1 gpm (3.8 lpm) 24 gpm (91 lpm). Able to blend within
5°F (2°C) of either inlet supply due to "low seepage" across
internal proportioning mechanism.
Operational Specifications
• Dual thermostatic elements provide redundancy in the
event of individual thermostat failure
• Typical outlet temperature control +/-2°F
• Adjustable maximum temperature limit stop
• Adjustable single temperature lockout
• Thermal shutdown mode upon inlet supply failure
Technical Specifications
• 1" NPT inlets and 1" NPT outlet
• Chrome-plated DZR brass/polymer construction
• Operating pressures
Maximum: 150 psi (10 bar)
Minimum: 10 psi (.7 bar)
• Integral inlet check valves and strainers
• ASSE 1017 and CSA B125 certified
• Shipping weight 10 lbs (4.5 kg)
For a submittal drawing, refer to CDLW #1061.
Rada Thermostatic Mixing Valves (gpm)
Model
5
320
8
425
15
40
36
50
49
10
15
20
11
13
15
22
27
31
51
62
72
70
85
98
5-7/8"
(149 mm)
Hot
Water
4x Ø 5/32"
on 1.75 DBC
Pressure Drop (psi)
25
30
35
17
19
20
35
38
41
-
-
-
-
-
-
2
Cold
Water
3"
(77 mm)
Blended
Water
40
45
50
22
23
24
44
46
49
-
-
-
-
Ø 3-1/4"
(83 mm)
2"
(52 mm)
7-3/8"
(187 mm)
Min.
C
Flow
V
1
3.4
2
6.9
-
2
16.0
-
2
22.0