Audited Supplier
The Q340F Eccentric Semi-Ball Valve is a high-performance valve widely used in industries such as petroleum, chemical, natural gas, and water treatment. This valve features an eccentric design that minimizes wear and ensures a tight seal under high-pressure conditions. With its advanced sealing technology and reliable structure, it is an ideal solution for managing various fluids, including those with solid particles.
Eccentric semi-ball structure to reduce wear and extend lifespan.
Anti-leakage sealing with PTFE and PPL materials.
High adaptability to media with solid particles.
Available in manual, pneumatic, and electric actuation options.
Application Fields:
Oil and natural gas pipelines;
Water treatment projects;
Chemical and industrial gas transportation;
Thermal and heating systems.
Main Component Materials
| Parameter Name | Details |
| Body Material | WCB, CF8, CF8M |
| Ball Material | 304, 316 |
| Stem Material | 304, 316 |
| Seal Material | PTFE, PPL |
| Design Standard | API 6D, ASME B16.34 |
| Flange Standard | ASME B16.5 |
| Inspection Standard | API 598 |
| Pressure Rating | Class 150, Class 300, Class 600 |
| Size Range | 1/2"~24" |
| Suitable Media | Water, oil, gas, slurry, and other corrosive/non-corrosive media |
| Temperature Range | -29°C~+200°C |
| Actuation Options | Manual, worm gear, pneumatic, electric |
1.6MPa
| DN | L | D | D1 | D2 | n-φd |
| 50 | 178 | 160 | 125 | 100 | 4-φ18 |
| 65 | 190 | 180 | 145 | 120 | 4/8-φ18 |
| 80 | 203 | 195 | 160 | 135 | 8-φ18 |
| 100 | 229 | 215 | 180 | 155 | 8-φ18 |
| 125 | 254 | 250 | 210 | 185 | 8-φ18 |
| 150 | 267 | 280 | 240 | 210 | 8-φ23 |
| 200 | 292 | 335 | 295 | 265 | 12-φ23 |
| 250 | 330 | 405 | 355 | 320 | 12-φ26/25 |
| 300 | 330 | 460 | 410 | 375 | 12-φ26/25 |
| 350 | 502 | 520 | 470 | 435 | 16-φ26/25 |
| 400 | 572 | 580 | 525 | 485 | 16-φ30 |
| 450 | 610 | 640 | 585 | 545 | 20-φ30 |
| 500 | 660 | 715 | 650 | 608 | 20-φ34 |
| 600 | 711 | 840 | 770 | 718 | 20-φ41/20-36 |
| 700 | 787 | 910 | 840 | 788 | 20-φ41/24-36/41 |
| 800 | 900 | 1020 | 950 | 898 | 24-φ39/41 |
| 900 | 1000 | 1120 | 1050 | 998 | 28-φ39/41 |
| 1000 | 1100 | 1255 | 1170 | 1110 | 28-φ42/48 |
2.5MPa
| DN | L | D | D1 | D2 | n-φd |
| 50 | 178 | 160 | 125 | 100 | 4-φ18 |
| 65 | 190 | 180 | 145 | 120 | 4/8-φ18 |
| 80 | 203 | 195 | 160 | 135 | 8-φ18 |
| 100 | 229 | 230 | 180 | 160 | 8-φ23 |
| 125 | 254 | 270 | 220 | 188 | 8-φ26 |
| 150 | 267 | 300 | 250 | 218 | 8-φ26/25 |
| 200 | 292 | 360 | 310 | 278 | 12-φ30 |
| 250 | 330 | 425 | 370 | 332 | 12-φ30 |
| 300 | 502 | 485 | 430 | 390 | 16-φ30 |
| 350 | 502 | 550 | 490 | 448 | 16-φ34 |
| 400 | 610 | 615 | 550 | 505 | 16-φ34/36 |
| 450 | 660 | 665 | 600 | 555 | 20-φ34/36 |
| 500 | 711 | 730 | 660 | 610 | 20-φ41/36 |
| 600 | 787 | 840 | 770 | 695 | 20-φ48/42 |
| 700 | 900 | 955 | 890 | 815 | 24-φ48/42 |
| 800 | 1000 | 1100 | 990 | 915 | 24-φ48/48 |
| 900 | 1100 | 1180 | 1090 | 1025 | 28-φ48/54 |
| 1000 | 1200 | 1315 | 1210 | 1140 | 28-φ58 |
| 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.
