Double Offset Butterfly Valve Manufacturers in India

Speciality Valve is the best Double Offset Butterfly Valve Manufacturers in India, known for delivering highquality valves that meet international standards, ensuring reliability and topnotch performance in every application.

The first offset is the disc placed slightly off the center from the valve body. The second is that the shaft also has an offset from the valve centerline. With such an offset, there would be improved sealing ability and minimized friction between the valve, its open and close time. This simply puts the double offset design of the valve more into motion, making it smooth and reliable to operate.

The disc goes to the sealing area when the valve is fully closed. Due to this offset design, it gives better sealing than in a traditional butterfly valve. This reduced contact between the disc and seat minimizes wear and therefore improves the lifespan of the valve and its efficiency.

Leakage Class of a Double Offset Butterfly Valve

Leakage class refers to the amount of fluid that is permitted to leak through the valve when closed. A double offset butterfly valve typically complies with Class VI leakage standards. It is, therefore, expected to be bubbletight when fully closed. In simple words, this means the valve will not permit any leakage and, thus, can ensure safe operation even at very high pressures.

This is particularly critical in applications where even a small leak can be expensive or dangerous, like in the oil and gas industry or chemical processing.

Advantages of Double Offset Butterfly Valves

Sealing Ability: Offset design will provide a much tighter shut off and better sealing capability in the valve. Low friction in disc to seat contact enables more efficient tightening of sealing ability even with high pressures.

Easier Operation: Double offset butterfly valves require less torque to operate than other types of valves. The offsets make the movement smoother, making the valve easier to open and close, which is more beneficial in larger systems using manual operation or motorized actuators.

Durability and Longevity: Due to the design, there is less wear and tear on the valve components. Reduced friction and pressure on the disc and seat mean that the valve typically lasts longer, requiring less maintenance and fewer repairs over time.

Compact Design: They are lightweight and compact in design, making them suitable for installation in confined spaces. They are smaller in size than other types of valves, such as ball or gate valves, and therefore suitable for systems where space is limited or weight is a concern.

The double offset butterfly valve is expensive than ordinary valves, but the overall service life is better, plus has low maintenance, and efficiency; hence the double offset butterfly valve proves costeffective for many industries.

Double Offset Butterfly Valves Advantages

Accurate Flow Regulation: The valves provide great control of fluid flow, particularly in throttling applications. With the double offset design, these valves are excellent for making minute changes in flow rates, and hence ideal for applications where accurate regulation is necessary.

Energy Efficiency: As the torque required to operate is less, these valves can be more energyefficient than other types of valves. This is important in large industrial systems where energy consumption is a concern.

Resistance to Pressure and Temperature Fluctuations: The double offset butterfly valve will withstand changes in pressure and temperature conditions without altering its sealing performance or operation. This makes them suitable for ideal applications in the power plant or chemical processing industry.

Applications of Double Offset Butterfly Valves

Water and Sewage: They are widely used in water treatment plants, sewage systems, and municipal water pipelines. Because they can easily seal the shutoff valve and withstand highpressure flow, these valves are used for controlling the flow of water and wastewater.

Petroleum and Gas: Double offset butterfly valves are used in petroleum and gas pipelines to control the flow of crude oil, natural gas, and other liquids. High pressure and no leakage ability is important for this industry.

Power Generation: Power plants often use these valves to control the flow of water, steam, and other fluids. The valve's resistance to pressure and temperature fluctuations makes it a reliable option in the demanding conditions of power generation.

Chemical and Petrochemical: Double offset butterfly valves are extensively used in chemical and petrochemical industries for the control of hazardous or corrosive fluids flow. Tight sealability and durability ensure that these systems are safe and efficient.

HVACs: These valves are highly utilized in the control of big commercial buildings' airflow using HVAC. They offer compactness, ease of movement, and energy efficiency in the management of systems involving heating, ventilation, and air conditioning.

Conclusion

Double offset butterfly valves possess several advantages which combine together for ideal functionality in various applications of industries. These advantages include better sealing performance, easy operation, and durability. Hence, they prove to be the most economical solution that helps in providing effective and efficient fluid control across numerous industrial applications whether for water treatment processes, oil and gas pipeline management, or any power plants. Their compact design, energy efficiency, and long lifespan make them an excellent choice for modern industrial systems.

Description:
1. Available materials: Cast iron, Ductile iron, SS304, SS316, Carbon steel (WCB, WCC, WC9, WC6), SS316L, Duplex steel(F51,F53,5A,4A,6A)
2.Size: 2” to 72”
3.Class: 150 to 300
4.Nominal Pressure: PN6 to PN25
5.Ends: Wafer, Lug, Flanged
6.Operations: Gear Operated, Electric and Pneumatic Actuated, Lever

Visit us: https://www.specialityvalve.com/product-category/double-eccentric-butterfly-valve/