Dungs DMA Istruzioni per l'installazione
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DMA
Motor Actuator
Installation Instructions
The DMA actuator drives from 0 to 90 degrees via 4-20 mA
input signal. It can move in any direction and stop anywhere
over the entire 90 degree stroke.
Electrical Rating
110-120 Vac (+10 / -15%) 50-60 Hz
Max. Power Rating
2.0 VA Holding, 5.4 VA Operating
Max. Torque Ratings
Timing
6
12
30
Position Resolution
0.08mA resolution; minimum of 0.45° per step
The DMK/6 butterfly control valve actuates from 0 to 90
degrees in either direction; it is not a tight shut-off valve.
Input-side male thread and output-side female thread en-
able assembly directly to DUNGS shutoff valves.
Gases
Natural gas, propane, butane, noncorrosive gases,
and air. Suitable for up to 0.1% by volume, dry H
Max. Pressure
7 PSI (500mbar) MH194167
Max. Differential Pressure
1.5 PSI (100mbar)
• Read these instructions carefully.
• Failure to follow them and/or improper installation may
cause explosion, property damage and injuries.
• Installation must be done with the supervision of a
licensed burner technician.
• Check the ratings in the specifications to make sure that
they are suitable for your application.
• Never perform work if gas pressure or power is applied,
or in the presence of an open flame.
Phone: (651) 792-8912 Fax: (651) 792-8919 Website: www.dungs.com E-mail: [email protected]
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DMK/6
Butterfly Control Valve
Installation Instructions
DMA ACTUATOR SPECIFICATIONS
Holding
Operating
12.4 in-lb
5.3 in-lb
24.8 in-lb
8.9 in-lb
26.5 in-lb
17.7in-lb
DMK BUTTERFLY VALVE SPECIFICATIONS
2
524 Apollo Drive,Suite 10 Lino Lakes, MN 55014 U.S.A.
Industrial Combustion Components
Tel: 804.236.3881 Fax: 804.236.3882 E-mail: [email protected]
Max. Contact Rating for Auxiliary Switch
1.5 Amps at 120 Vac 50/60 Hz
Enclosure Rating
NEMA Type 1 enclosure (standard with DMA)
NEMA Type 4 enclosure avaliable (Part #D240 456)
Input Control
4 to 20 mA
Position Feedback or Slave Output
4 to 20 mA; 500 ohm maximum impedance.
Resistence across terminals 8 & 10 is 250 Ohms.
Ambient Temperature Rating
+15 °F to +120 °F (-10 °C to 50 °C)
Approvals
UL Recognized Component: File No. E142163
CSA Certified: File No.157406-1378915
Commonwealth of Massachsetts Approved Product
Approval code G1-1107-35
Max. Body Pressure
15 PSI (1000mbar)
Mounting Position
Mulitpoised
S.
Ambient Temperature for DMK
+5° F to +140° F (-15° C to 60° C)
Actuator angle
90 degrees from open to closed
Approvals
UL Listed Component: File No. MH18741
Commonwealth of Massachsetts Approved Product
Approval code G1-1107-35
ATTENTION
• Once installed, perform a complete checkout including
leak testing.
• Verify proper operation after servicing.
• The system must be installed, used, and maintaned to
meet all applicable national and local code requirements
such as but not limited to NFPA 86,CSD-1, ANSI Z21.13,
UL 795, NFPA 85, or CSA B149.3.
Karl Dungs, Inc
Burnerparts.com