DDA and DDC series damper actuators
product manual:
Low price, double or continuous
DDA and DDC series damper actuators are actuators without spring return. They are used to control dampers or valves in HVAC systems. DDA series actuators can accept floating control signals and can choose different power sources. DDC series actuators can accept 4 to 20 mA or 0 to 10 VD continuous control, and also have 0-10VDC valve position feedback signal output. They have a torque of 17 to 70 in-lb (2-8 Nm). If auxiliary switches are required on the DDA, consult the factory.
Specifications:
Power Requirements: DDA: 110 VAC, 24 VAC, ± 10%, 50/60 Hz, single phase. Optional 230 VAC; DDC: 24 VAC, ± 10%, 50/60 Hz, single phase.
Power Consumption: DDA: 110 VAC models: 5 VA, 230 VAC models: 5 VA, 24 VAC models: 3 VA; DDC: 4 VA.
Control Input: DDA: Two-position, floating; DDC: 4-20 mA or 0-10 VDC.
Overload Protection: Magnetic clutch.
Angle of Rotation: 95 ° (mechanically adjustable).
Fits Shaft Dia
meter: 0.4 "(10 mm) or 0.5" (13 mm).
Position Indication: Visual indicator.
Direction of Rotation: CW / CCW.
Running Time: 17 in-lb, 35 in-lb, 53 in-lb: 72 sec .; 70 in-lb: 160 sec.
Electrical Connection: Terminal block, 18 AWG.
Manual Override: Push button.
Temperature Limit: -22 to 122 ° F (-30 to 50 ° C).
Sound: <45 dB.
Life Expectancy: 60000 full cycles.
Housing: NEMA 2 (IP40).
Standard Accessories: (2) imitative baffles, (2) baffle setscrews, (1) actuator body setscrew, and (1) aluminum gasket.
Weight: 1.72 lb (0.78 kg).
Professional manufacturing and professional services, KUNAG creates more value for you
Continuously improving the quality of services and keeping improving, "sincere service" is the eternal theme of KUNAG. Kunag strictly complies with the requirements of ISO9001-2000 quality system certification, strictly controls the quality and responsibilities to the people to ensure the healthy operation of production, sales and service. To strengthen communication with customers and to provide our customers with quality products and perfect service, we hereby make the following commitments:
Product Standards
Products are designed, manufactured, and inspected strictly in accordance with China\'s GB, HG standards, and US API standards. The hardness of the sealing surface meets the national requirements and the width exceeds the national standard.
pre-sale service
Product introduction, technical communication, non-standard product design, troubleshooting.
Sale service
Trustworthy contracts, guarantee timely delivery, and keep in touch with customers at any time.
For special or complex products, our factory arranges technicians to train and guide users on product use, troubleshooting, tuning and maintenance.
After sales service
The warranty period of Weitong products is 12 months from the factory, and the "three guarantees" service (return, replacement, repair) is implemented.
During the use of our products, our factory regularly organizes technical and inspection personnel to visit and solicit user feedback on product quality, use conditions, and improvement opinions in order to further improve product quality.
Quickly respond to customer complaints about product quality problems, and after-sales service personnel rushed to the scene within 24-36 hours (48 hours outside the province).
For after-sales service, users are required to fill in the quality feedback form after the service and make appraisal opinions, while improving Guardian\'s service quality.
Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)
QQ: 2030185432
Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
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Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.
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