Motorized Butterfly Valve DN50 (50A, 2 Inch)

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Motorized Butterfly Valve DN50

The Belimo Motorized Butterfly Valve DN50 is engineered to deliver outstanding reliability, energy efficiency, and long service life for commercial HVAC and industrial applications. The valve is available with On/Off, Modulating, and Electronic Fail-Safe actuator options, allowing users to select the most suitable control strategy for each application.

Designed for ANSI Class 150 piping systems, the valve combines a heavy-duty cast iron body with either a cast iron or stainless steel disc, providing excellent corrosion resistance and dependable performance under demanding operating conditions.

Its advanced disc and resilient seat design ensure reliable shut-off over a wide range of pressures and temperatures. Under low-pressure or vacuum conditions, the resilient seat maintains excellent sealing performance, while at higher pressures it optimizes seat movement to extend valve life and reduce operating torque.

Belimo's innovative actuator technology consumes up to 80% less energy than conventional electric actuators while delivering highly reliable operation and precise control.

Typical applications include:

• Chilled water systems
• Cooling tower systems
• Changeover systems
• Process control systems
• Air handling units (AHUs)
• Industrial HVAC installations
• District cooling systems
• Large commercial buildings

The Belimo butterfly valve range is available in sizes from DN25 to DN1200, with 2-way and 3-way configurations, spring-return, non-spring-return, Electronic Fail-Safe actuators, and both On/Off and modulating control options.

Key Advantages of Belimo Motorized Butterfly Valves

• Advanced disc and resilient seat design ensures reliable shut-off while maintaining low operating torque.
• Available with NEMA 2, NEMA 4, and NEMA 4X actuator enclosures for various environmental conditions.
• Standard HD/HDU butterfly valves feature a bolted shaft design for improved valve control and easier maintenance.
• Stainless steel or nickel-plated discs provide excellent corrosion resistance and extended service life.
• Grooved butterfly valve models are AWWA certified for potable water applications in the United States.
• Designed for maximum reliability, long operating life, and energy-efficient performance.

Available Sizes

Belimo motorized butterfly valves are available in sizes ranging from DN25 to DN1200, offering a comprehensive solution for commercial HVAC and industrial flow control applications. The product range includes 2-way and 3-way butterfly valves with On/Off, modulating, and Electronic Fail-Safe control options, as well as spring-return and non-spring-return actuators, allowing engineers to select the most suitable configuration for each system requirement.

The DN50 model is commonly referred to by several names in the HVAC industry, including Butterfly Valve DN50, Electric Butterfly Valve DN50, Motorized Butterfly Valve DN50, Butterfly Valve 50A, 2-Inch Butterfly Valve, Electric Butterfly Valve 50A, Modulating Butterfly Valve DN50, and On/Off Butterfly Valve DN50. These terms are widely used interchangeably by engineers, contractors, and MEP consultants when specifying or selecting butterfly valves for HVAC systems.

Technical Support & Product Consultation

For detailed product information and technical assistance, please contact PGTECH, the official representative and distributor of Belimo Switzerland in Vietnam. Our experienced engineering team can provide expert guidance on the complete range of Belimo control valves, including globe control valves, butterfly control valves, ball valves, and HVAC automation solutions.

Email: info@pgtech.com.vn - Hotline: +84 962 875 986