Armstrong 3031 Manual de instalação e manutenção - Página 4

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Water Temperature Control - Groups of Fixtures
Thermostatic
Model 320D
A derivative of the standard Model 320 Thermostatic Mixing
Valve for institutional group fixture control. Compact design with
top and/or bottom blended water outlet makes Model 320 ideal
for recessed enclosure, plumbing chase and utility/mechanical
room installation.
Factory supplied pre-plumbed and pressure-tested Model
320D is supplied as standard with inlet check valves, strainers,
unions, isolations valves and outlet thermometer and stop
valve*.
*Model 320D is supplied with top outlet and can be site
reconfigured for bottom outlet applications.
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
• 3/4" NPT inlets and 3/4" NPT outlet
• Chrome plated brass/polymer construction with self finish
brass and bronze lead free components
• Lead Free compliant
• Operating pressures
Maximum: 150 psi (10 bar)
Minimum: 10 psi (.7 bar)
• Inlet check valves, strainers, unions and isolation valves
• Fitted with outlet thermometer and isolation valve
• ASSE 1017 and CSA B125 certified
• Shipping weight 18 lbs (8.1 kg)
For a submittal drawing, refer to D61051.
Thermostatic Mixing Valves (GPM and PSI)
Model
320D
5
GPM
8
Thermostatic Mixing Valves (LPM and BAR)
Model
320D
0.3
LPM
30.3
Armstrong Hot Water Group, 221 Armstrong Blvd., Three Rivers, MI 49093 – USA
Phone: 269-279-3602, Fax: 269-279-3130
Pressure Drop (PSI)
10
15
20
11
13
15
Pressure Drop (BAR)
0.7
1.0
1.4
41.6
49.2
56.8
3.8
(97)
TYP
25
30
35
17
19
20
1.7
2.1
2.4
64.4
71.9
75.7
4
7.6
(194)
(198)
TYP
40
45
50
22
23
24
2.8
3.1
3.4
83.3
87.1
90.8
Designs, materials, weights and performance ratings are
approximate and subject to change without notice. Visit
armstronginternational.com for up-to-date information.
12.2
(311)
7.8
Min.
C
Flow
V
1.0
3.4
Min.
C
Flow
V
3.8
3.4