Lug Type 4 Butterfly Valve With Stainless Steel Disc

Lug Type 4 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 4 Butterfly Valve Main Performance  Spcification

Lug Type 4 Butterfly Valve Main Part Materials

Product Advantages

Structural and System-Level Design Strengths

The valve’s lug-style construction provides multiple threaded points for secure bolt-up without disturbing adjacent piping, 

enhancing installation flexibility. Its disc, crafted from stainless steel, combines strength with corrosion resistance, making 

it suitable for aggressive media. The optional body materials and diverse seat configurations reflect a modular design approach, 

allowing customization as per system specifications. Such structural considerations contribute to stable sealing performance 

and seamless integration within existing fluid systems. As a notable butterfly valve manufacturer, the design efficiency rivals 

that of the commonly used wafer butterfly valve design, ensuring compatibility across many pipeline layouts and industry practices.

Enhanced Performance and User-Centric Operation

Engineered to reduce operating torque, this valve enables smooth actuation with less energy input, supporting easier manual 

or automated operation. The compact, lightweight profile reduces installation strain and maintenance efforts, both significant 

advantages appreciated by system operators and maintenance teams. Its sealing technology prevents leakage under bidirectional 

pressure, increasing confidence in safety-critical environments. The quick 90-degree disk rotation offered by this stainless steel 

butterfly valve streamlines valve cycling, improving workflow efficiency on-site. Altogether, these performance features make it a 

practical and trustworthy choice for end users requiring reliable and durable flow control solutions.

Use Scenarios

Water Treatment and Wastewater Management

In water treatment plants, robust and leak-proof valves are essential for controlling fluid dynamics while ensuring environmental compliance. 

This lug type butterfly valve, featuring a stainless steel butterfly valve disc, offers corrosion resistance against chemically treated water and 

variable pH conditions commonly encountered. Its bi-directional sealing prevents contamination leakage, critical in wastewater processing 

pipelines. The ability to bolt directly between flanges simplifies installation in complex piping networks and supports routine maintenance 

without complete system shutdowns. Integration of this valve within facility actuated valve schemes enhances operational reliability and 

supports regulatory adherence, making it invaluable in municipal and industrial water treatment contexts.

Chemical and Industrial Processing Applications

Chemical plants demand valves that resist aggressive compounds and frequent cycling. With its stainless steel disc and selection of body 

and seat materials, this butterfly valve stands up to acids, alkalis, oils, and hot steam environments. Its pressure ratings and design facilitate 

secure shutoff crucial for process control and safety. The lug design allows for installation even under high-stress system configurations, 

serving both new builds and retrofit requirements. Its tilt-free and bubble-tight sealing reduces operational risks associated with leaks or 

pressure loss. As a key component in chemical process piping, it ensures minimal downtime and aligns with quality standards expected 

from a leading butterfly valve manufacturer.

FAQ

What materials are used for the body and disc in the Lug Type 4 Butterfly Valve?

The Lug Type 4 Butterfly Valve features bodies made from ductile iron, cast iron, cast steel, or stainless steel, while the disc is manufactured 

from stainless steel, ensuring excellent corrosion resistance and durability suitable for various media and applications.

Is customization available for the Lug Type 4 Butterfly Valve With Stainless Steel Disc?

While the product page does not detail customization options, you can contact TJL INDUSTRY GROUP directly to discuss specific requirements. 

Custom configurations may be possible to meet your system needs.

How long is the delivery time for this stainless steel butterfly valve?

Typical delivery for the Lug Type 4 Butterfly Valve with stainless steel disc ranges between 15 to 30 days, depending on order size and s

pecifications, ensuring timely supply for your fluid system projects.

Can this valve be easily installed and maintained in existing piping systems?

Yes, the lug design allows simple bolt-up installation in modular or retrofit projects. Its compact and lightweight construction supports easy maintenance 

and operator training, suitable for both new installations and replacements. This makes the valve popular among butterfly valve manufacturers and users 

requiring reliable operation.

Send your message to us

TJL INDUSTRY GROUP CO., LIMITED 

Tel: 0086-22-28219562
Fax: 0086-22-28219554 ext.8888

Mobile:15022393555

Email: sales@tjlindustry.com

Address: 1-711,XiangNian Plaza, Dongjiang and Neijiang Road Cross, Hexi District, Tianjin China