Lug Type worm gear Butterfly Valve EN593

Lug Type worm gear Butterfly Valve Structure and Feature:

1. Bi-directional tightness.   

2. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.

3. Simple and compact construction, quick 90 degree on-off operation.

4. Minimized operating torque, energy saving.

5. Flow curve tending to straight line. Excellent regulation performance.

6. Long service life. Standing the test of tens of thousands opening/closing operations.

7. Bubbles-tight sealing with no leakage under the pressure test.

8. Wide selection of materials, applicable for various medium.

Lug Type worm gear Butterfly Valve Main Performance  Spcification

Lug Type worm gear Butterfly Valve Main Part Materials

Product Advantages 

Structural Innovations Enhance Reliability and Compatibility

This Lug Type Worm Gear Butterfly Valve features a lug-style body allowing direct bolt mounting between flanges, reducing 

installation complexity. The worm gear mechanism is designed for smooth, gradual actuation, minimizing stress while enabling 

fine flow adjustments. Compact and lightweight, it fits a variety of piping dimensions, from DN40 to DN1200, accommodating 

nominal pressures PN10 to PN16. Material flexibility—offering ductile iron, stainless steel bodies, and diverse seat compositions—ensures 

resistance to abrasion, corrosion, and temperature variations. These design choices align with contemporary standards (EN593) 

and flange compatibility (DIN, ASME, JIS), facilitating versatile system integration. This structural sophistication showcases the 

expertise of a premier butterfly valve manufacturer.

User-Friendly Performance with Energy-Saving Operation

With minimized operating torque, the valve delivers effortless manual control, reducing operator fatigue and increasing precision. 

The quick 90-degree on-off cycle accelerates process adjustments, saving time in daily use or emergency situations. Its bubble-tight 

sealing guarantees leak-free service, enhancing system safety and environmental compliance. Maintenance is straightforward due to 

the valve’s modular construction and material choices, allowing long service life without frequent repairs. This valve offers straightforward

operation and dependable reliability, providing end users with peace of mind and operational efficiency. It stands as a trusted choice 

among worm gear Butterfly Valve products known for blending usability with performance.

Use Scenarios 

Application in Municipal Water and Sewage Systems

In municipal water management, the Lug Type Worm Gear Butterfly Valve plays a critical role in segment isolation and flow control. 

Installed in water supply lines and sewage treatment setups, it ensures secure shutoff during maintenance or emergency interventions. 

Its bi-directional tightness and bubble-tight sealing prevent contamination and leakage, vital in public utility environments. The valve’s 

compatibility with various flange standards facilitates integration into existing pipelines. Its worm gear actuation allows smooth operation 

even under variable load conditions, while materials resist corrosion from treated water and wastewater. This makes it a reliable 

component contributing to the continuous, safe operation of urban water infrastructure, outperforming many wafer butterfly valve 

alternatives in ruggedness and control.

Use in HVAC and Industrial Process Control

In HVAC systems and process plants, controlling air and steam flows with precision is key to efficiency and safety. This valve’s lug design a

nd worm gear actuation provide dependable throttling, enabling operators to finely adjust environmental conditions or isolate system 

segments during maintenance. Its broad material selection, including corrosion-resistant stainless steel bodies and high-performance 

seats like Viton and PTFE, suits exposure to steam, chemicals, and oils commonly present in industrial workflows. The valve integrates 

seamlessly with ductwork and piping systems, offering quick response and consistent sealing in demanding conditions. Users benefit 

from lower energy consumption and reduced downtime when deploying this thoughtful worm gear Butterfly Valve design within their 

operational networks.

FAQ 

What body and seat materials are available for the Lug Type Worm Gear Butterfly Valve EN593?

This worm gear butterfly valve offers body materials including ductile iron, cast iron, cast steel, and stainless steel. Seat options include 

EPDM, NBR, Viton, and PTFE, allowing compatibility with a wide range of media and temperatures to suit various industrial and civil applications.

Can the Lug Type Worm Gear Butterfly Valve EN593 be customized to fit different flange standards?

Yes, the valve meets the EN593 standard, compatible with DIN 2501 PN10-16, EN1092 PN10-16, JIS10K, and ASME B16.47 CL150 flange 

connections. This makes it versatile for integration into existing piping systems that use various flange standards.

What are the recommended installation guidelines for the Lug Type Worm Gear Butterfly Valve EN593?

The valve is designed for easy installation with lug-style flanges allowing bi-directional tightness. Ensure proper alignment of flanges and 

secure bolts for airtight sealing. The compact, lightweight design and worm gear actuator facilitate smooth 90-degree operation and simple maintenance.

What is the typical delivery time and order process for this wafer butterfly valve?

The usual delivery time ranges from 15 to 30 days depending on order size and specifications. As a reputable butterfly valve manufacturer, 

TJL Industry Group supports global customers with efficient production and logistics, ensuring timely supply and reliable product quality.