24 novembre 2024

Les normes de conception des vannes à boisseau sphérique, telles que API 599, API 6A et API 6D, jouent un rôle important pour garantir la sécurité, la fiabilité et l’efficacité des systèmes de contrôle des fluides. Ces normes établissent des règles claires sur la manière dont les vannes à boisseau sphérique doivent être construites et testées, en s’assurant qu’elles peuvent supporter des conditions industrielles difficiles comme celles que l’on trouve dans […]

24 novembre 2024

Quick Answer Plug valves and gate valves serve different purposes in fluid control. Plug valves offer quick quarter-turn operation, compact design, and suitability for high-pressure, high-cycle applications like oil and gas. Gate valves provide full-bore, unobstructed flow with minimal pressure drop, ideal for low-pressure systems like water distribution. Choose plug valves for speed and durability, […]

24 novembre 2024

Quick Answer Plug valves regulate fluid flow in industrial systems using a rotating cylindrical or conical plug, offering reliable on/off control, minimal leakage, and suitability for high-pressure, high-temperature applications. They are widely used in oil & gas, chemical processing, and water treatment. Key types include sleeve, orbit, and lubricated plug valves, each designed for specific […]

21 octobre 2024

Quick Answer Lubricated plug valves use grease to seal and reduce friction between the plug and body, ensuring durable, low-torque operation in harsh industrial settings. Selection depends on fluid type, size, pressure rating, material, sealing, and maintenance needs. PANS Valve’s Inverted Pressure Balance model offers reliable sealing, API compliance, and easy operation, making it a […]

16 octobre 2024

Quick Answer Orbit valves are bidirectional, high-performance plug valves using a tilt-and-turn design to prevent seal wear and ensure zero leakage. Key parts include the body, plug, sealing rings, and actuator. PANS Valve offers durable, low-pressure-loss options like the orbit plug, electric, and irrigation valves, backed by 36 years of manufacturing expertise and high production […]

16 juillet 2024

Quick Answer China's booming industrial markets have driven demand for advanced orbit plug valves, with several key suppliers emerging. PANS leads as the top specialist, offering high-capacity, customized designs with international certifications. Dago serves domestic state-owned projects, while Dervos focuses on lower-pressure applications. Shinjo Valve and NSW round out the top five, though they lack […]

13 juillet 2024

Quick Answer Orbit plug valves are compact, eccentric rotating valves that provide tight bi-directional shutoff and precise flow regulation in demanding industrial applications. Their unique cam-following design requires only a 90-degree rotation to operate, handling pressures over 10,000 psi and high temperatures. Used across oil and gas, chemical, power generation, food and beverage, and pulp […]

12 juillet 2024

Quick Answer Inverted pressure balance plug valves ensure secure isolation and flow control in high-pressure oil and gas applications, sealing tighter as line pressure rises and protecting seats from debris via an inverted design. They offer reliable, bidirectional performance up to ANSI Class 4500, though with higher costs and size limitations. When handling volatile gases, […]

10 juillet 2024

Quick Answer Sleeved plug valves use a replaceable cylindrical sleeve to protect the valve body from wear and corrosion, extending service life in demanding applications like abrasive slurries and corrosive chemicals. Unlike lined valves, the sleeve covers the full flow path and can be replaced without removing the valve. PANS is a leading manufacturer of […]