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.
Nominal diameter | DN40-DN1200 | DN40-DN1200 | DN40-DN300 | |
Nominal pressure | 1.0 | 1.6 | 2.5 | |
Test pressure | Seal | 1.1 | 1.76 | 2.75 |
Shell | 1.5 | 2.4 | 3.75 | |
| Applicable temperature | -10℃~100℃ | |||
| Applicable medium | Water, sewage, air, steam, food, medicine, various, oils, acids, alkalis, salts,etc. | |||
Part name | Material |
| Body | Ductile iron, cast iron, cast steel, stainless steel |
| Plate | Ductile iron(surface treatment: nickel plating, spray N11, fully lined with EPDM, fully lined with PTFE), CF8, CF8M, copper alloy, Monel, duplex steel, etc |
| Stem | SS410、SS416、SS431、SS304、20Cr13 |
| Seat | EPDM, NBR, natural rubber, Viton, silicone, PTFE, etc. |
| O-Ring | EPDM, NBR |
| Bushing | PTFE, bronze |




Product Advantages
Innovative Design for Seamless Integration
This wafer butterfly valve features a simple, wafer-style body that fits easily between flanges without the need for extensive
modification, offering versatility across flange standards and sizes. The overall structure is optimized by a butterfly valve
manufacturer for low profile installation and quick 90-degree operation, reducing intervention time. Its design integrates
well with piping systems where space is limited, and the lightweight construction simplifies handling during installation
or replacement. Materials like ductile iron and treated surfaces add corrosion resistance, enhancing structural durability
and system compatibility.
Enhanced Usability and Long-Term Reliability
Users benefit from smooth, energy-efficient operation thanks to minimized torque requirements and responsive valve cycling.
The bubble-tight sealing performance prevents leaks in pressures up to 2.5 MPa, ensuring water conservation and safety.
This valve supports high cycle counts, contributing to long service life even under frequent use conditions common in residential
and small commercial water systems. Its compatibility with various seals and materials means it can be tailored to specific user
needs or water qualities. Overall, it offers a balance of performance, ease of use, and dependable operation for everyday water
management.
Use Scenarios
Reliability in Residential Water Supply Networks
In home water distribution systems, this wafer butterfly valve plays a critical role in regulating and isolating flow to different circuits,
including irrigation and internal plumbing. Its compact wafer style fits easily between pipeline flanges, enabling quick installation or
retrofitting without major adjustments. The valve’s low torque mechanism allows homeowners or service professionals to operate
it smoothly, reducing maintenance effort. Corrosion-resistant materials ensure durability against common water conditions, while
leak-tight operation provides peace of mind by safeguarding against waste and damage, aligning with requirements for residential
water management.
Efficient Integration in Sewage and Wastewater Treatment
In wastewater piping environments, this valve serves as an effective shut-off solution that can endure harsh fluids and varying
pressures. Its robust design originates from experienced butterfly valve manufacturers familiar with sewage industry demands.
The valve’s bubble-tight seals and corrosion-resistant construction prevent leakage and maintain system integrity amid aggressive
mediums. Its wafer-style body allows easy inclusion in treatment plant piping loops, minimizing downtime during installation or
repairs. Compliance with pressure and temperature ranges typical of wastewater systems further supports reliable performance
in demanding sanitation applications.
FAQ
What materials are available for the Lug Type Butterfly Valve?
The Lug Type Butterfly Valve offers a wide range of body materials including ductile iron, cast iron, cast steel, and stainless steel.
Plates can be nickel-plated ductile iron, CF8, CF8M, copper alloy, and more. Seat options include EPDM, NBR, PTFE, and Viton,
ensuring corrosion resistance and compatibility for varied water systems.
Can I customize the valve to fit specific water system requirements?
Yes, the valve supports diverse flange standards and nominal diameters from DN40 to DN1200. Multiple material and seal options
allow customization for water, sewage, and other media. As a reputable butterfly valve manufacturer, TJL provides tailored solutions
to match your exact application needs.
How easy is the installation and maintenance of this valve?
Featuring a compact, lightweight design and a quick 90-degree operation, the Lug Type Butterfly Valve enables straightforward installation
and smooth cycling. Minimal operating torque reduces wear, allowing for energy-efficient valve operation and simplified routine maintenance.
What shipping and warranty options are available when ordering your valves?
Orders typically have a minimum quantity of one piece, subject to stock availability. TJL Industry Group provides standard warranty
coverage on all valves, including wafer butterfly valve types. For precise delivery times and warranty details, contact our sales team directly.
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