The Q11F-16P stainless steel two-piece ball valve is a critical component in industrial and commercial fluid control systems. Engineered for durability, precision, and versatility, this valve is designed to meet the demands of diverse applications. This article provides an in-depth analysis of its features, technical specifications, applications, and the company behind it, Hebei Yaosheng Import and Export Trading Co., Ltd. Additionally, we incorporate authoritative references from the National Institute of Standards and Technology (NIST) to ensure reliability and compliance with industry standards.
The Q11F-16P valve is a two-piece design, offering a balance between simplicity and robust performance. Its construction uses high-grade materials such as 304 and 316 stainless steel, which are renowned for their corrosion resistance and longevity. The valve’s components, including the body, sphere, and stem, are crafted from these materials to ensure structural integrity under various operating conditions. The sealing ring is made of PTFE (polytetrafluoroethylene), providing excellent chemical resistance and a tight seal.
One of the standout features of this valve is its compact design, which saves space and reduces installation costs. Its threaded connection allows for easy integration into existing pipeline systems. The valve is operated manually via a handle, making it user-friendly for operators. Additionally, the company’s customization options allow for logos to be cast onto the valve body, enhancing brand visibility.

Figure 1: Q11F-16P stainless steel two-piece ball valve
The Q11F-16P valve is available in a range of sizes, from DN6 to DN50, with pressure ratings up to 1.6MPa. Below is a detailed table of its dimensions and connection specifications:
| Model | Nominal Diameter (mm) | Size (mm) | |||
|---|---|---|---|---|---|
| G | B | L | E | ||
| Q11F-16 | 6 | 1/4 " | 10 | 55 | 11.5 |
| 10 | 3/8 " | 12 | 55 | 11.5 | |
| 15 | 1/2 " | 15 | 57 | 14 | |
| 20 | 3/4 " | 20 | 65 | 15 | |
| 25 | 1" | 25 | 79 | 15 | |
| 32 | 1 1/4 " | 32 | 90 | 18 | |
| 40 | 1 1/2 " | 38 | 98 | 19 | |
| 50 | 2" | 50 | 115 | 19 | |
The valve operates effectively within a temperature range of ≤180°C, making it suitable for applications involving water, steam, and oils. Its threaded connection ensures a secure fit, while the manual operation provides straightforward control.

Figure 2: Technical specifications of Q11F-16P valve
The Q11F-16P valve is widely used in industries requiring reliable fluid control. Its primary functions include cutting off, distributing, and changing the flow direction of media in pipelines. Due to its compact size and low construction cost, it is ideal for applications where space is limited, such as in water supply systems, heating, ventilation, and air conditioning (HVAC), and industrial fluid processing.
According to NIST, the standardization of valve dimensions and materials is critical for ensuring interoperability and safety in fluid systems. The Q11F-16P valve adheres to these principles, making it a trusted choice for engineers and technicians.

Figure 3: Applications of Q11F-16P valve in industrial systems
Founded in 1992, Hebei Yaosheng Import and Export Trading Co., Ltd has established itself as a leading manufacturer of industrial valves. The company’s commitment to quality is reflected in its CE, API, and ISO certifications, which ensure compliance with international standards. This dedication to excellence has enabled the company to serve a global clientele, offering products that meet rigorous performance and safety requirements.
The company’s advanced manufacturing technologies include sand and precision casting, allowing for custom designs based on customer specifications. Additionally, the use of CNC lathes ensures precision in every component. Each valve undergoes rigorous testing before delivery, guaranteeing only qualified products reach the market. The company also provides custom packaging solutions, including wooden cases, to protect the valves during transit.
The Q11F-16P stainless steel two-piece ball valve is a testament to the engineering excellence of Hebei Yaosheng Import and Export Trading Co., Ltd. With its robust construction, precise specifications, and versatile applications, it is a reliable solution for fluid control systems. The company’s adherence to international standards, combined with its innovative manufacturing processes, ensures that the Q11F-16P valve meets the highest quality benchmarks. As highlighted by NIST, the importance of standardized and reliable components in industrial systems cannot be overstated, and the Q11F-16P valve exemplifies this principle.
National Institute of Standards and Technology (NIST). (n.d.). Standards and Measurements. Retrieved from https://www.nist.gov.