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The Q41F Cast Steel Soft Sealing Flanged Ball Valve is designed for industrial applications requiring high performance, reliability, and durability. Made from high-quality cast steel (WCB), it is suitable for handling liquids, gases, and low-viscosity media under high-pressure conditions.
The soft sealing design, using PTFE or RPTFE seats, ensures exceptional leak-proof performance and a longer lifespan. Its flanged connection provides easy installation and maintenance, while the availability of multiple actuation methods allows customization based on operational requirements.
This ball valve meets stringent international standards such as API 608, ASME B16.34, and API 598, making it an ideal choice for industries such as oil & gas, water treatment, and petrochemicals.
- Robust Cast Steel Body: Ensures long-term durability and excellent performance in high-pressure environments.
- Soft Sealing: PTFE or RPTFE seats provide superior tightness, preventing leakage and enhancing sealing performance.
- Versatile Applications: Ideal for liquid, gas, and low-viscosity media in industries like oil & gas, water treatment, and petrochemicals.
- Flanged Connection: Provides a secure and leak-proof connection for stable and reliable operation.
- Multiple Actuation Options: Supports manual, gear-operated, pneumatic, and electric actuation for varied operational needs.
- Compliance with Standards: Designed to meet API, ASME, and DIN standards, ensuring international compatibility.
- Wide Temperature Range: Operates efficiently between -29°C and 200°C, making it suitable for diverse environments.
Main Component Materials
| Parameter | Details |
| Model | Q41F |
| Material | Cast Steel (WCB) |
| Size Range | DN15 - DN300 (1/2" - 12") |
| Pressure Rating | PN16 - PN40 (Class 150 - Class 300) |
| Sealing Type | Soft Sealing (PTFE, RPTFE) |
| Connection Type | Flanged (RF, RTJ) |
| Design Standard | API 608, ASME B16.34, GB/T 12237 |
| Face-to-Face Standard | ASME B16.10, GB/T 12221 |
| Flange Standard | ASME B16.5, DIN EN1092-1, JIS B2220 |
| Testing Standard | API 598, ISO 5208 |
| Temperature Range | -29°C to 200°C (-20°F to 392°F) |
| Operation Method | Manual, Worm Gear, Electric Actuator, Pneumatic Actuator |
| Application | Oil & Gas, Water Treatment, Petrochemical, Power Plants, etc. |
DN Dimensions Table
| DN (mm) | NPS (in) | L (Face-to-Face) | D (Flange Diameter) | d (Ball Bore) | H (Height) | W (Width) | PN (Pressure Rating) |
| 15 | 1/2" | 108 | 95 | 15 | 180 | 150 | PN16 / PN40 |
| 20 | 3/4" | 117 | 105 | 20 | 185 | 160 | PN16 / PN40 |
| 25 | 1" | 127 | 115 | 25 | 190 | 180 | PN16 / PN40 |
| 32 | 1-1/4" | 140 | 140 | 32 | 200 | 200 | PN16 / PN40 |
| 40 | 1-1/2" | 165 | 150 | 38 | 220 | 220 | PN16 / PN40 |
| 50 | 2" | 178 | 165 | 50 | 235 | 240 | PN16 / PN40 |
| 65 | 2-1/2" | 190 | 185 | 65 | 280 | 260 | PN16 / PN40 |
| 80 | 3" | 203 | 200 | 80 | 290 | 280 | PN16 / PN40 |
| 100 | 4" | 229 | 220 | 100 | 330 | 320 | PN16 / PN40 |
| 150 | 6" | 267 | 285 | 150 | 400 | 360 | PN16 / PN40 |
| 200 | 8" | 292 | 340 | 200 | 450 | 400 | PN16 / PN40 |
| 250 | 10" | 330 | 405 | 250 | 520 | 450 | PN16 / PN40 |
| 300 | 12" | 356 | 460 | 300 | 580 | 520 | PN16 / PN40 |
| 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.
