
How it works
Electric quarter-turn actuator
Two-way ball valve
The number that matters
Max. medium temperature
200°C
The highest medium temperature this valve is rated for.
Construction
Parts and materials
Applications
Media and industries
- Water
- Air
- Oil Products
- Heat Supply
A stainless steel ball valve is a reliable and versatile device for controlling the flow of liquids and gases in various industrial sectors. Made from corrosion-resistant stainless steel, it possesses high strength and can withstand both high temperatures and pressures. Ball valves are easy to operate, provide secure sealing, and minimize the risk of leaks, making them an ideal choice for use in the oil and gas industry, water treatment plants, the food industry, and other areas where a reliable and durable valve is needed to regulate the flow of substances.

Materials
| Item No. | Details | Material |
| 1 | screw | Steel 304 |
| 2 | Lever | Steel 201+PVC |
| 3 | Washer | Steel 304 |
| 4 | Retaining ring | Steel 304 |
| 5 | Thrust washer | Steel 304 |
| 6 | Oil seal washer | Steel 304 |
| 7 | Seal | PTFE |
| 8 | Thrust gasket | PTFE |
| 9 | Stock | Steel 316 |
| 10 | Ball cap | Steel 316 |
| 11 | Ball | Steel 316 |
| 12 | Ball seal | PTFE |
| 13 | Pad | PTFE |
| 14 | Frame | Steel 316 |
Main technical specifications of DNOVA series QT electric actuators:
| Power supply | 220 VAC, 380 VAC, 24 VDC |
| Limit switches | 2-Open/Closed 250V 10A |
| Additional limit switches 2 | 2-Open/Closed 250V 10A |
| Angle of rotation, ° | 90±5 |
| Internal thermal protection | Switching off at 110°C ± 5°C, switching on at 97°C ± 5°C |
| Visual position indicator | is |
| Ambient temperature, °C | -20 to +65 |
| Manual doubler | Hexagon (included) |
| Self-locking device | self-locking with worm and worm gears |
| Mechanical limiter | 2 external adjustable stops |
| Cable glands | 2xM18 |
| Enclosure protection class | IP67 |
| Lubrication | aluminum-based (type EP) |
| Body material | aluminum alloy with epoxy powder coating |
| Average life, closing/opening cycles | 30 000 |

Passports and certificates
Data sheet for DNOVA DA/SA double-acting pneumatic actuator with return springs
- Port opening
- Full Port
- Configuration
- Two-way
- Body material
- Stainless steel AISI 316
- Material ball seal
- PTFE
- Maximum allowable temperature
- 200 °C
- Connection type
- Flanged
- Control type
- Electric actuator
- Operating environment
- Water, Air, and Oil Products
- Applications
- Heat Supply
- Voltage
- 24 V
- Actuator cycle time
- 20s
- Valve feedback
- Limit switches
- Explosion-proof
- No
- Torque
- 30 Nm
- Type of electric actuator
- Quarter-turn
- Control signal
- ON/OFF
- Rated current consumption
- 0.5 A
- Power consumption
- 9 W
- Country of origin
- China
Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.
Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.
To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.
Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.
Total items
Product subtotal