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S U D E

Three Lever Valve

Three Lever Valve – Series 1916

Precision Multi-Lever Isolation System for Heavy-Duty Gas Duct Applications

The Three Lever Valve – Series 1916 from SUDE Engineering Private Limited is a high-performance mechanical isolation valve designed for large-diameter and heavy-duty gas duct systems. It provides safe, controlled movement of the valve plate, which consists of a solid disc and spacer ring, without scraping or making contact with the seat or duct walls. This ensures smooth, wear-free operation and extends the service life of the valve even in demanding environments.

The valve employs three independent mechanical levers—lifting, rotating, and lowering—that operate the valve plate in a precise sequential motion. This unique multi-lever mechanism guarantees positive isolation, allowing operators to safely open, close, or position the disc with complete control. The design is particularly suitable for high-temperature, dust-laden, or high-risk gas flow applications, ensuring operational safety and reliability under extreme process conditions.

Constructed from durable, heat-resistant materials and precision-engineered components, the Three Lever Valve withstands thermal stress, abrasive particles, and continuous operation, requiring minimal maintenance while delivering consistent performance. Its controlled actuation prevents damage to the valve seats or ducting, reduces leakage risks, and maintains system efficiency.

This valve is compatible with manual, electric, or pneumatic actuation, allowing seamless integration with automated process control systems. Widely used in power plants, industrial furnaces, chemical processing units, and flue gas handling systems, it reflects SUDE Engineering Private Limited’s commitment to precision engineering, operational safety, and long-lasting industrial solutions.

Technical Specifications

Parameter
Specification
Shapes Available
Round, rectangular, or custom geometry
Size Range
DN 500 to DN 3000 or larger
Flow Media
Flue gas, process exhaust, or air
Blade Type
Solid disc (blind) and spacer ring (open)
Sealing Efficiency
100% mechanical isolation (optional seal air system)
Sealing Type
Metal-to-metal or soft sealing
Temperature Range
Up to 700°C or higher (depending on materials)
Material of Construction
Carbon steel, stainless steel, or alloy steel
Pressure Rating
Up to PN 10 (or custom as required)
Drive Operations
Manual, motorized, or hydraulic with interlocks
Testing Standards
API 598 / ISO 5208 (pressure & leakage testing)
Design Standards
ASME / DIN / ISO (custom-engineered per project)

Working Principle:

First Lever – Lifting Action
Lifts the valve disc vertically from its parking position, preventing friction with the seat or duct surface.
Second Lever – Rotation / Swing Action
Rotates or swings the disc horizontally into or out of the flow bore. Movement is controlled and guided for precise positioning.
Third Lever – Lowering / Locking Action
Lowers the disc into the sealing seat for isolation or returns it to the parked position, ensuring secure locking and mechanical stability.

Key Features & Advantages

  • Step-by-step controlled motion prevents mechanical stress or damage
  • Suitable for high-risk, high-temperature isolation applications
  • Enhanced operator safety with interlocked actuation
  • Long-lasting design — low wear, low maintenance
  • Provides visual position confirmation for safe operation
  • Ideal for open-type or encased constructions

Why Choose Three Lever Valve – Series 1916?

  • Designed for controlled and safe disc handling without seat abrasion
  • Proven three-lever mechanism ensures precise motion and sealing
  • Custom-built for each duct layout and temperature condition
  • Compatible with manual, motorized, or hydraulic actuation
  • Trusted solution for critical isolation in steel, power, and process industries

SUDE Three Lever Valve Advantage:

SUDE Engineering Pvt Ltd. specializes in designing Three Lever Valves for the most demanding process and flue gas isolation applications.
With a focus on precision linkage design, rugged fabrication, and operational safety, SUDE’s Three Lever Valves ensure smooth, wear-free actuation, positive sealing, and maximum reliability in heavy-duty service conditions.

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