Pneumatic Lug Butterfly Valve

Lug Butterfly Valve is a high-performance butterfly valve with lug connection structure, which is widely used in petroleum, chemical, electric power, metallurgy, water supply and drainage, HVAC and paper making and other working conditions. The valve is suitable for water, steam, air, oil and various corrosive media, with good sealing and corrosion resistance. The lug butterfly valve adopts the lug flange connection, which is solidly installed and easy to disassemble, suitable for medium and high pressure pipeline system. The product has a compact structure, light weight, flexible and rapid opening and closing, small flow resistance and easy operation. Its significant advantages include high cost-effectiveness, reliable sealing, simple maintenance, long service life, and support for manual, pneumatic, electric drive to meet the needs of diversified automation control. Lug Butterfly Valve can not only realize the cut-off and adjustment of medium, but also effectively control the flow and pressure, which is the ideal valve choice for modern industry and municipal pipeline network with economy, high efficiency and stability.
Pneumatic Lug Butterfly Valve

Pneumatic Lug Butterfly Valve

Model: D643H/Y/F
Subtitle:Pneumatic American Standard Butterfly Valve
The Pneumatic Lug Butterfly Valve is a rugged and versatile flow control solution for a variety of industrial applications. Its lug connection design is easy to install and remove, making it ideal for systems requiring frequent maintenance or piping modifications. The valve is equipped with a pneumatic actuator for fast and reliable automated operation...

Product Overview

The Pneumatic Lug Butterfly Valve is a rugged and versatile flow control solution for a variety of industrial applications. Designed for easy installation and removal, its lug connection is ideal for systems requiring frequent maintenance or piping modifications. The valve is equipped with a pneumatic actuator for fast and reliable automated operation, ensuring precise flow regulation and minimal downtime.

The valve's compact design and excellent sealing performance make it suitable for medium transportation under various pressure and temperature conditions. Its corrosion-resistant materials and durable construction ensure long life and reliable performance in harsh environments.

Main characteristics

Lug Type Connection: Allows isolation of piping on one side while maintaining flow on the other, allowing for easy maintenance and operation without shutting down the entire system. Compatible with single and double flange configurations for enhanced versatility.

Pneumatic actuation: spring-return and double-acting actuators are available to meet different control needs. Supports on/off and modulating control modes to provide precision and adaptability in automation systems. Fast and reliable actuation reduces operating time and increases efficiency.

Excellent sealing: Soft seals (e.g., EPDM, PTFE) are available for general applications, as well as metal seals for high-temperature or abrasive service. Leakage ratings up to Class VI (soft seat) ensure tight shutoff.

Durable materials: The valve body is available in ductile iron, carbon steel and stainless steel (304, 316) for compatibility with a wide range of media. Flap materials, such as stainless steel or nickel-plated steel, enhance corrosion resistance and durability.

Compact and lightweight: Streamlined design saves space and simplifies installation compared to traditional gate or globe valves.

Broad compatibility: Designed to meet industry standards, including API 609, ISO 5211 and EN specifications, ensuring seamless integration into global systems.

Product Advantages

Ease of Installation and Maintenance: The lug design simplifies installation and allows for quick replacement or maintenance without disrupting the entire pipeline.
The self-cleaning nature of the sealing surface reduces fouling and the need for frequent cleaning.

Cost-effective operation: Pneumatic drives minimize energy consumption while operating at high speeds, thus reducing overall operating costs.

Versatility: Suitable for handling a wide range of media in a variety of industries, including liquids, gases and slurries.

Enhanced safety: Bi-directional seals ensure safe operation in both flow directions, reducing the risk of leakage or failure.

Durability in harsh conditions: Resistant to corrosion, abrasion and extreme temperatures to ensure reliable performance in demanding environments.

summarize

The Pneumatic Lug Butterfly Valve is a versatile and cost-effective solution for modern industrial flow control needs. It combines a durable lug connection, advanced pneumatic actuation and superior sealing technology to ensure reliable and efficient performance in a variety of applications. Available in customizable materials and configurations for unmatched adaptability and durability, the valve is an indispensable component of any industrial piping system. Whether used for water conditioning in a water treatment plant or chemical control in a petrochemical facility, pneumatic lug butterfly valves offer superior reliability and precision.

Product Parameters

Nominal diameter2-48 inch; (DN50-DN1200)
Nominal pressure150-300LB
Valve MaterialDuctile iron, carbon steel, stainless steel (304, 316)
Valve materialStainless steel, nickel-plated steel, aluminum bronze
Seat MaterialEPDM, PTFE, metal seals
Applicable temperature-40°C to 300°C (depending on material)
connection methodLug type (ANSI, DIN, JIS standards available)
actuatorsPneumatic (spring return, double acting)
gas pressure0.4-0.8MPa
control modeOn/Off, Adjustment
(an official) standardAPI 609, ISO 5211, CE, PED

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