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.
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The high-performance butterfly valve, manufactured in China to API 609 standards, is made from ASTM A216 WCB material. It features a 24-inch size, Class 150 LB rating, and a double eccentric design. This bi-directional valve is equipped with a PTFE seat and wafer ends, ensuring reliable sealing and efficient flow control in various industrial applications.
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This uni-directional butterfly valve, manufactured to GOST standards, is constructed from ASTM A216 WCB material. It has a size of DN800 (32 inches) and is rated PN16/Class 150 LB. Featuring a triple eccentric design, bare stem, and wafer ends, it provides reliable sealing and efficient flow control, making it ideal for large-scale industrial applications.
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Our factory produces pneumatic actuated butterfly valves with a wafer type design, meeting API 609 and MSS SP-68 standards. Made from cast carbon steel ASTM A216 WCB, these 6-inch valves are Class 150 LB rated and feature a double eccentric configuration for enhanced performance and reliability.
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We manufacture double offset lug type butterfly valves to API 609 and MSS SP-68 standards. Constructed from cast bronze ASTM B148 C95800, these 14-inch valves are Class 150 LB rated, bi-directional, and feature a PTFE seat, ensuring durable and reliable performance in diverse applications.
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We supply double offset high-performance butterfly valves compliant with API 609 standards. Made from cast bronze ASTM B148 C95800, these 8-inch valves feature a Class 150 LB rating, bi-directional flow capability, and a wafer design with PTFE seating for reliable, high-performance sealing in various applications.
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This Metal Seated Butterfly Valve is manufactured according to GOST Standard using Stainless Steel 12X18H10T, renowned for its corrosion resistance and durability. With a size of 12 inches and a Class 400 LB pressure rating, it is designed for high-pressure applications. The valve features a triple eccentric design, which reduces wear and improves sealing performance over time. Its flanged ends allow for easy installation and integration into piping systems. Ideal for demanding industrial environments, this valve ensures reliable operation and longevity.
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Our triple offset butterfly valves are made from ASTM A216 WCB, designed to meet GOST standards. With a robust size of DN1200 and a pressure rating of PN16, these valves offer reliability and durability for various industrial applications. Featuring a metal laminate seat and a triple offset design, they ensure tight sealing and minimal friction during operation, enhancing efficiency and longevity.
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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.
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.