Audited Supplier
The DS (3/6/9) 73(H/F) series is a high-performance
flanged bidirectional sealing butterfly valve designed for fluid control in industrial pipeline systems. Manufactured with high-precision processes, it offers excellent sealing performance and corrosion resistance, making it suitable for various media and operating conditions. With a compact structure, flexible operation, and long service life, it is widely used in industries such as oil, chemical, power, metallurgy, and water treatment, making it an ideal choice for reliability and efficiency.
| Product Model | D373H-16C | Driving Method | Turbine | Valve Body Material | Cast Steel |
| Connection Type | Wafer (Lugged) | Structure Type | Triple Eccentric | Valve Function | Drainage, Flow Control, On/Off, Inlet |
| Operation Mode | Worm Gear Drive | Eccentricity Requiremen | Triple Eccentric | Functional Role | Straight Flow |
| Lining Material | Stainless Steel | Sealing Material | Stainless Steel | Sealing Method | Hard Seal |
| Pressure Environment | Normal Pressure | Temperature Environmen | High Temperature | Flow Direction | Unidirectional |
| Applicable Industries | Food, Metallurgy, Chemical, Environmental Water Treatment | Applicable Industries | Water, Oil Products, Steam | Valve Standard | GB (National Standard) |
| No. | Name | No. | Name |
| 1 | Drive Unit | 12 | Gland |
| 2 | Support Frame | 13 | Inner Hexagon |
| 3 | Screw Washer | 14 | Valve Body |
| 4 | Gland Plate | 15 | Valve Disc |
| 5 | Packing | 16 | O-ring |
| 6 | Upper Shaft | 17 | Cover Plate |
| 7 | Key | 18 | Inner Shaft |
| 8 | Valve Stem | 19 | Lower Shaft |
| 9 | Screw | 20 | Metal Washer |
| 10 | Valve Cover | 21 | Tail Cover |
| 11 | Sealing Ring | 22 | Inner Shaft Cover |
DN Dimensions Table
| Q: Can we visit your factory to inspect the products in person? |
| A: Of course, you are welcome to visit. Our products are built to withstand scrutiny, and we are very happy to have you here. We look forward to establishing a long-term trade partnership with you! |
| Q: Can you customize the products according to the specifications and appearance I require? |
| A: Yes, we can adjust our production lines to meet your required specifications and product appearance, including color. |
| Q: What if there is no Chinese translator when we visit the factory? |
| A: We will hire relevant translators based on your language needs to ensure smooth and efficient communication. |
| Q: What market share do your products occupy in China? |
| A: From 2021 to 2024, our company's annual turnover ranged from 50 million to 100 million RMB, capturing a large share of the Chinese market. |
| Q: What are your competitive advantages compared to other companies in the industry? |
| A: Brand reputation. Our company does not compete on price, but rather on quality. We invest substantial funds into production materials, advanced equipment, and skilled technicians, focusing on building a strong brand image and a positive company reputation, rather than engaging in price competition. |
Quality (Shandong) Industrial Automation Co., Ltd. is located in Zibo City, Shandong Province, China, an area rich in cultural heritage, with a strong industrial foundation and a high level of production concentration. We are a high-tech valve manufacturing enterprise integrating design and development, manufacturing and installation, sales and service, technical communication, and international trade.
Based on conventional valves, the company actively applies new technologies, materials, and processes to research and manufacture various high-end valves, as well as general high and medium-pressure gate valves, globe valves, check valves, ball valves, etc. All products are designed, manufactured, and processed according to standards such as GB, ANSI, API, JIS, DIN, and BS. Additionally, we are capable of researching, designing, and developing high-performance special valves and non-standard products based on customer needs.
Our products are widely used in industries such as petroleum, chemical engineering, metallurgy, and power generation, and are suitable for various complex working conditions such as high temperature, high pressure, sulfur resistance, corrosion resistance, and erosion resistance.
