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Size Range: | 2"~80"(DN50~DN2000), 150LB~900LB(PN10~PN160) |
Features: | (1) Frictionless closing; (2) Zero leakage; (3) Bi-directional performance; (4)Anti-blowout stem; (5)Renewable seat; (6)Natural fire safe; (7) Optional hard alloy seat. |
Connection: | Butt Weld, Socket Weld, Threaded, Fanged, Clamp |
Materials: | Carbon Steel, Stainless Steel, Alloy Steel, Low Temperature Steel, Duplex stainless steel, Copper Alloys etc. |
Standards: | ANSI , GOST , DIN , JIS , BS , UNI , GB |
Certificates: | ISO , API , CE |
Application: | Chemical , Petrochemical , Oil and Gas , Power Generation , Water and Wastewater ect. |
Specifications
FAQ
VideoButterfly Valves The butterfly valve is a widely used quarter turn valve.It designed to regulate or isolate flow in pipelines with a simple,compact disc mechanism.Unlike gate or globe valves,it features a rotating disc mounted on a central shaft.They allow quick opening or closing.It provide minimal effort and providing smooth flow control. Its unobstructed flow passage offers low pressure drop.It's suitable for large diameter pipelines where efficient flow is essential.Butterfly valves can be operated manually with a lever or gear or automated with pneumatic or electric actuators.They are suitable for various industrial applications. For higher pressure or critical service systems,butterfly valves can be designed with resilient,metal or high performance seats.They ensure tight sealing and reliable performance under challenging conditions.As we know that they are a cost effective alternative to larger, heavier valve types while delivering excellent operational reliability. The butterfly valve has carbon steel,stainless steel,ductile iron and alloy materials options.They are compatible with ANSI, DIN and other standard flange dimensions.Whether for water supply,chemical processing,HVAC systems or industrial pipelines,butterfly valves provide fast operation,flexible installation and long lasting service. |
Product application Due to powerful comprehensive performance and wide practicality for flange products,they have been applied in many engineering fields.The application areas include light and heavy industry, petrochemicals, offshore oil, shipbuilding, drainage, water supply, construction, pipelines, fire protection, power, aerospace. Service consultation During the communication,our technicians will answer all the questions what your concerns.For more details,please feel free to contact us.Thanks for your attention. Email: info@haihao-pipe.com MB: +86-18928171006 Contact Person: Mrs. Shallen Feng |
① What is a butterfly valve and how does it work? A butterfly valve is a type of quarter-turn valve.It regulates or isolates fluid flow through a rotating disc installed on the central axis.As we know, when the valve disc rotates parallel to the fluid, the valve will open, allowing the fluid to pass through.When the valve disc is perpendicular to the direction of the fluid, it closes to prevent the flow. It's usually used in low pressure to medium pressure systems.It offers rapid operation with minimal space requirements. ② What is the important advantage of using butterfly valves? Butterfly valves are a good choice in piping systems.As we know that their simple quarter turn design allows for quick opening and closing.We also know that it enables fast operation without complex adjustments or calibration.They are generally more compact and lighter than other types of valves.They reduce installation time and space requirements.In addition, butterfly valves are more cost effective than gate valves or globe valves.They have a simple structure and low material requirements.They still provide reliable flow control and tight shut off in low to medium pressure applications. ③ In which applications is butterfly valves suitable? Butterfly valves are best suited for applications where space is limited and quick, easy flow control. As we know that they are highly suitable for low to medium pressure systems such as water distribution, HVAC and chemical processing pipelines.When key factors of budget and installation efficiency, and the system doesn't require the heavy duty strength or precise throttling of other valve types.Butterfly valves provide a cost effective and reliable solution. ④ When are butterfly valves not the good choice for my project? Butterfly valves aren't the good choice for applications requiring precise flow control or throttling. Because their quarter turn disc design can't regulate flow as accurately as globe or needle valves. They are unsuitable for very high pressure or high temperature systems.Since the sealing and disc mechanism can't withstand extreme conditions.In addition, butterfly valves aren't suitable for systems with high vibration or pulsating flow.The repeated disc movement can cause wear or leakage over time. For projects demanding absolute tight shut off, heavy duty durability or fine control, alternative valve types are more appropriate. ⑤ What are the steps to install Butterfly Valves? To install a butterfly valve, first ensure the pipeline is depressurized and free of debris.We should verify the valve’s flow direction matches the system.Then position it between the pipe flanges without forcing it. We should align the bolt holes, insert the bolts and tighten them gradually in a cross pattern.We need to ensure an even seal.We should check that the valve disc operates freely,slowly pressurize the system.We need to confirm there are no leaks and the valve functions correctly. |
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