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.
Main Performance Spcification
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. | |||
Main Part Materials
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
Smart Engineering for Seamless System Integration
The structural design of this wafer butterfly valve focuses on compactness and modularity, allowing it to fit between
standard pipe flanges without requiring additional bolts or extended space. Its bi-directional sealing capability comes
from the precision-shaped rubber seat that adapts tightly to the plate, enabling bubble-tight shutoff under pressure.
The valve’s handle mechanism is engineered to minimize operating torque, promoting effortless manual control.
With multiple material options, including ducts of ductile iron and stainless steel stems, this butterfly valve manufacturer
ensures adaptability to various media and environmental conditions, simplifying procurement and system compatibility.
Effortless Operation Combined with Dependable Durability
Users enjoy low-maintenance operation thanks to the valve’s simple 90-degree handle rotation, which provides immediate
on-off flow control. The rubber seated design ensures consistent sealing performance over tens of thousands of cycles,
resisting leaks and wear. Lightweight construction reduces installation effort, particularly in confined spaces. This butterfly
valve also supports both water and aggressive media applications with seat materials carefully matched to the fluid type.
Overall, it offers lasting value through reliable performance, easy handling, and minimized energy requirements, making it
a smart choice for those relying on quality products from a reputable butterfly valve supplier.
Use Scenarios
Reliable Flow Control in Water Distribution Networks
In municipal and commercial water pipeline systems, maintaining precise and leak-free flow control is essential. This wafer
butterfly valve serves as a dependable manual shutoff device in water distribution lines, allowing operators to isolate sections
for maintenance or adjust flow rates with simple handle turns. The valve’s lightweight wafer design fits snugly between flanges,
making retrofitting easier in existing pipeworks. Its rubber seat guarantees bubble-tight sealing, critical for preventing leaks in
potable or treated water systems. The valve’s compliance with international standards ensures that it meets regulatory
requirements within these infrastructural environments.
Manual Isolation Valve for Wastewater and Sewage Systems
Within wastewater treatment plants and sewage networks, valves must withstand harsh, often corrosive conditions while
providing reliable isolation for system maintenance. This butterfly valve’s robust materials, including corrosion-resistant s
tainless steel stems and durable rubber sealing, ensure long service life under such demanding conditions. Its wafer
construction facilitates quick installation in confined spaces typical of treatment plant piping. Manual operation with a
user-friendly handle enables plant technicians to swiftly open or close flow as needed for cleaning, inspection, or process
control, integrating effectively into the system’s operational flow management tasks.
FAQ
What materials are used in your Handle Rubber Seated Wafer Type Butterfly Valve?
Our butterfly valve bodies are made from ductile iron, cast iron, cast steel, or stainless steel, with seat options including
EPDM, NBR, natural rubber, Viton, silicone, and PTFE to suit various media and service conditions. This variety ensures
durability and reliable sealing for any application.
Can I customize the valve size or materials to fit my piping system?
Yes, the butterfly valve manufacturer offers sizes from DN40 to DN1200 and allows selection of body, seat, and stem materials.
Custom configurations ensure compatibility with your piping standards and specific process requirements, supporting diverse
industrial and utility uses.
How easy is it to install and operate this wafer butterfly valve?
The wafer design is lightweight and compact, making installation straightforward in tight spaces. The handle offers simple
90-degree manual on-off operation with low torque, enabling easy control and energy-efficient manual operation without
complex tools.
What is the typical delivery time and warranty for this butterfly valve?
Delivery usually takes 15–30 days depending on order specifications. Warranty details are provided with purchase documents
to cover manufacturing quality. For reliable supply, choose our butterfly valve supplier with proven long service life in demanding
conditions.
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