| Customization: | Available |
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| Media: | Acid |
| Temperature: | High Temperature |
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The H41H Rising Stem Check Valve is designed to prevent backflow in industrial systems by automatically closing when the flow stops. With its rising stem design, the position of the valve can be clearly observed, making it easy to operate and monitor.
Constructed from high-quality cast steel (WCB) or stainless steel (CF8/CF8M), this valve offers superior resistance to corrosion and wear, ensuring a long service life even in demanding environments. It features a flanged connection for easy installation and secure sealing, and is available in a wide range of sizes (DN50 to DN300).
The valve's soft or metal sealing ensures a tight shutoff to prevent leakage, and its high-pressure capability (PN16/PN40) allows it to function effectively in various industrial applications. Whether used in water treatment facilities, oil & gas pipelines, or petrochemical plants, the H41H Rising Stem Check Valve is designed to deliver reliable performance and enhanced safety.
| Parameter | Details |
| Model | H41H Rising Stem Check Valve |
| Material | Cast Steel (WCB) or Stainless Steel (CF8/CF8M) |
| Size Range | DN50 - DN300 (2" - 12") |
| Pressure Rating | PN16, PN40 |
| Connection Type | Flanged (RF, RTJ) |
| Design Standard | API 594, ASME B16.34, GB/T 12236 |
| 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, Electric Actuator, Pneumatic Actuator |
| Medium | Water, Oil, Gas, Petrochemical, etc. |
| Application | Water Treatment, Oil & Gas, Petrochemical, Power Plants, etc. |
| DN (mm) | NPS (in) | L (Face-to-Face) | D (Flange Diameter) | d (Stem Diameter) | H (Height) | W (Width) | PN (Pressure Rating) |
| 50 | 2" | 210 | 180 | 22 | 320 | 280 | PN16 / PN40 |
| 65 | 2-1/2" | 230 | 200 | 25 | 340 | 300 | PN16 / PN40 |
| 80 | 3" | 250 | 220 | 28 | 360 | 320 | PN16 / PN40 |
| 100 | 4" | 270 | 250 | 30 | 380 | 340 | PN16 / PN40 |
| 150 | 6" | 320 | 285 | 35 | 420 | 370 | PN16 / PN40 |
| 200 | 8" | 350 | 340 | 40 | 480 | 420 | PN16 / PN40 |
| 250 | 10" | 400 | 405 | 45 | 530 | 470 | PN16 / PN40 |
| 300 | 12" | 450 | 460 | 50 | 600 | 540 | 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.
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