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Flanged Type Triple Eccentric Multi-Layer Metal Seated Butterfly Valve

Product Features

● Triple Eccentric Design: The shaft and sealing surface are offset in three dimensions, reducing friction and ensuring metal-to-metal sealing.
● Multi-Layer Seat Structure: Stainless steel and graphite laminated seal delivers reliable tightness and thermal stability.
● High Temperature Resistance: Continuous operation up to 450°C (842°F).
● Robust Flanged Construction: Provides enhanced strength and alignment for large-diameter and high-pressure systems.
● Stable Torque Transmission: Rigid disc-stem connection ensures consistent sealing performance.

Product Overview

Product Overview

The Flanged Type Triple Eccentric Multi-Layer Metal Seated Butterfly Valve is a high-performance valve engineered for high-temperature, high-pressure, and corrosive service conditions.

Its triple-offset geometry ensures that the disc fully disengages from the seat upon opening, eliminating friction, extending seal life, and maintaining zero leakage performance under extreme conditions.

With a flanged-end connection, this valve provides superior rigidity, precise alignment, and secure installation — ideal for power plants, petrochemical systems, and industrial process control applications.

Product Advantages

Product Advantages

● Long Service Life: Minimal friction, reduced wear, and durable structure ensure long-term reliability.
● Zero Leakage Metal Seal: Maintains tight shut-off under severe high-pressure and temperature conditions.
● Bidirectional Sealing: Consistent performance in both flow directions.
● Low Operating Torque: Smooth operation and energy-efficient actuation.
● Compliant with Global Standards: Meets both EN and API design and test requirements.

Technical Specifications

Size Range

● NPS 2″ – 80″ / DN50 – DN2000

 

Pressure Rating

● Class 150 / Class 300 / PN10 / PN16 / PN25

 

Standards

● Design Standard: EN 593 / API 609
● Test Standard: EN 12266 / API 598
● Flange Standard: EN 1092-2 / ASME B16.5

Industry Applications

Industry Applications

● Power generation and steam systems
● Petrochemical and refining industry
● Metallurgy and gas transmission pipelines
● Pulp, paper, and process control systems
● Environmental protection and energy projects

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