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| Customization: | Available |
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| Media: | Gas |
| Driving Mode: | Pneumatic |
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Explore the exceptional offerings from Tianjin ET Valve Co., Ltd at the following link: https://et-valve.en.made-in-china.com/product-list-1.html. Discover our premium product, the OEM DN200~DN600 Pneumatic Valve Flanged Butterfly Valve in 316L, along with a variety of cutting-edge solutions designed to meet diverse industrial needs. Visit us and experience the innovation and quality that sets us apart.
OEM DN50~DN2000 Pn6~Pn40 Manual/Electric/Pneumatic Actuated Flanged Butterfly Valve
The flanged butterfly valve is an engineering marvel, utilizing a disc-shaped closing element, widely known as the butterfly plate, that masterfully rotates 90° for seamless on/off control. This product features flanged connections, ensuring secure and versatile integration. With a compact structure, it offers quick operation and precise flow regulation, ensuring efficiency and reliability.Our valves are widely applied in low to medium-pressure pipelines across the oil, chemical, water treatment, and power industries, standing as a testament to their versatile utility.
AdvantageThese valves offer significant space-saving advantages, providing a compelling alternative to traditional gate and globe valves. They are 30-50% lighter and more compact,making them exceptionally suited for space-constrained piping systems.
Applications: Perfectly designed for use in ships, underground pipelines, and densely packed industrial plants, where space is at a premium.
Technical BasisThe innovative design allows the disc to rotate 90° for complete open and close positions,eliminating the cumbersome need for a rising stem.
Advantage: Experience instant operation with a 90° rotation achieved in just 1-2 seconds, allowing partial opening for highly accurate flow regulation. Softer seals enhance modulation precision.
Vs. CompetitorsUnlike gate valves that require multiple turns, and ball valves that, while fast, offer less precision, our flanged butterfly valves stand out for exceptional throttling control.
Use CaseIdeal for systems that demand frequent operation or precise flow adjustments, such as cooling water loops.
Soft Seals (Rubber/PTFE): Engineered for bubble-tight leakage control, ensuring zero fugitive emissions, making them perfect for water, gases, and mildly corrosive environments.
Hard Seals (Metal/Alloy): Crafted to withstand high temperatures up to 600°C and pressures up to PN40/ANSI 600#,these seals are ideal for challenging applications like steam and oil.
InnovationThe cutting-edge triple-offset design ensures zero-friction sealing, significantlyextending the valve's service life by an impressive 3 to 5 times..
AdvantageWhen fully open, the disc aligns seamlessly with the flow, remarkably reducing pressure drop to 1/10th of that experienced with gate valves,thus significantly cutting down on pump energy costs.
DataRemarkable efficiency with pressure loss under 0.1 bar when used with water (DN200).
Ideal ForPerfect for high-flow systems, such as municipal water and power plant cooling, where efficiency is paramount.
MaintenanceDesigned for easy maintenance, allowing seat or seal replacement without removing the entire valve, a feature available in certain designs.
Cost Savings: Experience a remarkable 40% reduction in upfront costs when compared to traditional gate valves; Enjoy installation savings of up to 50% thanks to the effortless flanged connection simplicity.
Case Study: Leading petrochemical plants have reported a significant 30% reduction in annual maintenance costsafter adopting our premium valve solutions.
Actuation Options: Choose from a range of actuation options including manual (lever/gear), electric, pneumatic, or hydraulic systems to suit your specific operational needs.
Material Flexibility:
Body: Select from cost-effective cast iron, corrosion-resistant SS316L, or high-strength duplex steel for uncompromising durability.
Seals: Our seals offer tailored protection with EPDM for acid/alkali resistance, NBR for oil resistance, and PTFE for unmatched chemical resistance.
Industry Compliance: Compliant with a spectrum of industry standards, from FDA-grade regulations for food and pharmaceutical applications through to the demanding ASME III standards for nuclear applications, ensuring safety and reliability at every level.




Tianjin ET Valve Co., Ltd. was founded in 2022, emerging as an innovative leader in the development and manufacturing of mid-line soft-seal butterfly valves. Our cutting-edge valve solutions are expertly crafted to meet the high-performance demands of the chemical, environmental protection, and food processing sectors, among others. Deeply rooted in the fields of powder conveying and fluid control, we tailor product designs to the unique characteristics of diverse media. By employing pioneering sealing structures and specialized material processes, we effectively address the challenges of traditional valves, such as jamming and wear in viscous and corrosive environments, thereby vastly enhancing product reliability and extending service life.
ET is a technology-driven enterprise, boasting a state-of-the-art laboratory and a comprehensive testing ecosystem capable of replicating intricate working conditions. This allows us to conduct exhaustive tests for sealing performance, weather resilience, and durability, all while adhering rigorously to international standards to maintain superior product quality. As a dynamic and forward-thinking company, nearly half of our team comprises skilled R&D professionals, leveraging digital design and intelligent manufacturing systems to guarantee efficient production and meticulous quality oversight. Our agile response mechanisms and bespoke service offerings have enabled us to deliver tailored solutions to numerous domestic and international clients. Continually fueling technological advancements and fostering value creation within the industrial valve sector, we stand at the forefront of innovation, consistently pushing the boundaries of what's possible.


1. Premium Quality Precision Valves - Crafted with strict standards and lean production methods to ensure top-notch performance.
2. The Esteemed 'ET Valve' Brand - Enjoy unparalleled reliability and market recognition that speaks volumes.
3. Swift Delivery, Extensive Capacity - Seamlessly manages up to three times the usual urgent orders with ease.
4. Comprehensive Custom Service - From design to installation, experience expert support at every step of the process.