Butterfly Valves
Butterfly Valves
A Butterfly Valve is a quarter-turn valve employed to control or block fluid flow in pipelines. Its name comes from the wing-shaped disc, often referred to as the "butterfly," situated in the flow path. This disc turns on a spindle, enabling accurate fluid flow control through adjustments to the disc's angle.
Products List
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Introducing our flanged butterfly valve crafted from ASTM A216 WCB, compliant with API 609 standards. With a substantial size of 52 inches and a Class 150 LB rating, this valve ensures reliable performance in demanding applications. Its bidirectional and triple eccentric design, coupled with a metal-to-metal seat, guarantees precise flow control and longevity.
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Our CD4MCu duplex steel butterfly valve, designed to API 609 standards, boasts a robust construction suitable for demanding applications. With a 4-inch size, Class 150 LB rating, and triple offset design, it ensures precise flow control and reliability. Featuring a uni-directional metal seat and wafer style configuration, this valve provides efficient performance and ease of installation in various industrial settings.
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Introducing our Triple Eccentric Butterfly Valve, meticulously crafted from ASTM A351 CF8M material to meet GOST standards. With a size of DN1600 and a pressure rating of PN10, this valve ensures robust performance in diverse applications. Featuring flange ends, it offers easy installation and secure connection. Trust in our Triple Eccentric Butterfly Valve for efficient flow control and reliable operation in your systems.
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Introducing our ASTM B148 C95800 Butterfly Valve Plant, designed to meet API 609 standards for superior performance. With a size of 36 inches and a Class 150 LB rating (DN900 or PN20), this valve ensures efficient flow control in various applications. Featuring a triple eccentric design and metal laminate seat, it offers reliable sealing and durability. Uni-directional operation and flange ends make installation and operation seamless. Trust in our Butterfly Valve Plant for dependable flow control in your systems.
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Explore our triple eccentric butterfly valves crafted in China, designed to EN 593 standards and constructed from ASTM A216 WCB material. With a substantial size of 40 inches (DN1000) and a robust Class 150 LB (PN16) rating, these valves ensure reliable performance in demanding applications. Their uni-directional design and high-temperature resistance make them ideal for use in various industrial settings where precision and durability are paramount.
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Explore our state-of-the-art triple eccentric butterfly valves, meticulously designed to API 609 standards. Crafted from robust ASTM A216 WCB cast carbon steel, these valves ensure exceptional performance and longevity. With an impressive size of 48 inches (DN1200) and a pressure rating of Class 150 LB (PN20), they are ideal for handling large volumes in industrial applications. Featuring a uni-directional design and butt-welded ends, our butterfly valves provide reliable flow control and seamless integration into your piping systems.
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Explore our cast carbon steel butterfly valves, manufactured to EN 593 standards and crafted from ASTM A216 WCB material. With a DN800 (32 inch) size and PN25 (Class 300 LB) rating, these valves offer reliable performance. Featuring a triple eccentric design, they ensure smooth operation and tight shut-off. With uni-directional flow and butt weld (BW) ends, they're ideal for various industrial applications.
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Discover our bi-directional metal-seated butterfly valves, built to EN 593 standards and crafted from ASTM A216 WCB cast carbon steel. With a DN600 (24 inch) size and PN16 (Class 150 LB) rating, they offer robust performance. Featuring a triple eccentric design, these valves ensure reliable operation and tight shut-off in both directions.
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Explore our stainless steel butterfly dampers, crafted from SS 321 for durability. Sized at DN800 (32 inches) with a PN1 rating, they offer reliable performance. Featuring a centerline butterfly plate and welded body & disc, they ensure tight sealing. With a bare stem design and flange ends, installation and operation are convenient and secure.
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Our EN 593 Butterfly Valve features cast carbon steel ASTM A216 WCB for durability. Sized at 20 inches (DN500) with a PN16 (Class 150 LB) rating, it suits diverse applications. The Triple Offset design enhances sealing, and RF Flanged Ends ensure a secure connection. Operate with ease using the Gear mechanism. Trust in the quality of our EN 593 Butterfly Valve for industrial reliability.
Key components of a Butterfly Valve
A butterfly valve contains the following components:
Body: The outer casing serves as the protective housing for internal elements and establishes a connection point within the piping system.
Disc: Resembling a butterfly wing, the disc plays a pivotal role in regulating the flow. It can be concentrically or eccentrically mounted within the valve body.
Spindle (Shaft): The spindle, also known as the shaft, acts as the central rod facilitating the rotation of the disc. It connects to the actuator for mechanical control.
Actuator: The actuator serves as the mechanism initiating disc rotation. It can be manual (hand-operated), electric, pneumatic, or hydraulic, providing flexibility in control.
Seat: The seat functions as a sealing surface where the disc contacts, preventing fluid leakage when the valve is in the closed position.
Common Types of Butterfly Valves
There are several common types of butterfly valves, each with its own characteristics and applications:
Concentric Butterfly Valve: The disc is centrally positioned within the valve body, ensuring a consistent seal around the circumference.
Eccentric Butterfly Valve: The disc is offset from the center, providing improved sealing capabilities, particularly beneficial in high-pressure applications.
Double Offset Butterfly Valve: Combining both concentric and eccentric features, this valve type offers enhanced sealing performance and reduced wear.
Triple Offset Butterfly Valve: Introducing a third offset, this valve further improves sealing efficiency and minimizes friction, making it suitable for high-performance applications.
Why choosing Butterfly Valves?
Butterfly valves offer several advantages, making them popular in various industries. Here are some key advantages of butterfly valves:
Cost-Effective: Butterfly valves offer a budget-friendly option compared to other valve types, making them a preferred choice for cost-conscious applications.
Space-Saving Design: With a compact and lightweight design, butterfly valves are ideal for installations with limited space. Their low-profile construction is particularly advantageous in confined settings.
Quick Operation: Operating on a quarter-turn mechanism, butterfly valves enable rapid opening and closing, ensuring fast response times in applications where efficiency is critical.
Low Pressure Drop: The streamlined disc design minimizes pressure drop across butterfly valves, facilitating efficient fluid or gas flow with minimal resistance.
Lightweight Construction: Constructed with lightweight materials, butterfly valves reduce overall weight. This is beneficial in applications where heavy valves may not be suitable, contributing to enhanced flexibility and ease of use.
The Applications of Butterfly Valves
Butterfly valves, known for their cost-effectiveness, ease of installation, and efficient flow control, are widely utilized across diverse industries. Common applications include:
Water Treatment Plants: Butterfly valves play a crucial role in water treatment plants, effectively controlling the flow of water within treatment and distribution systems.
Chemical Processing: In chemical processing plants, butterfly valves are utilized to control the flow of corrosive fluids, ensuring efficient and safe operation.
Oil and Gas Industry: Butterfly valves find application in the oil and gas industry, where they regulate the flow of oil, gas, and other hydrocarbons within pipelines.
Fire Protection Systems: Integrated into fire protection systems, butterfly valves play a critical role in controlling the flow of water, contributing to effective fire prevention and management.