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
Intelligent Design and Modular Excellence
This wafer butterfly valve features a thoughtfully compact, lightweight body facilitating installation in
constrained indoor areas. Designed by a respected butterfly valve manufacturer, it incorporates a
worm gear actuator that minimizes operator effort and extends component life. The valve’s bi-directional
tightness and extensive seat material options underscore its adaptability across multiple media.
Its modular design also simplifies maintenance, with replaceable parts making it an investment that
offers long-term value. The use of high-grade stem and body materials enhances durability, ensuring
reliable performance in varied environments without complex system modifications.
User-Focused Performance and Operational Ease
The valve’s quick 90-degree on-off operation empowers users to manage flow control confidently,
with minimal torque required to reduce strain during actuation. This feature, combined with its
energy-efficient design, appeals to those seeking reliable yet simple valve solutions. The wafer
butterfly valve’s smooth functioning over tens of thousands of cycles offers peace of mind for
users relying on consistent shutoff and flow regulation in everyday tasks. Its versatility across
diverse media types adds further to user value, accommodating conditions like water treatment,
air flow, and chemical solutions, thus ensuring comfortable and efficient handling in any operational setting.
Use Scenarios
Application in Water Supply and Waste Management
In municipal and light commercial water systems, the wafer butterfly valve serves as a dependable
element for flow control and emergency shutoff. Operating within water treatment or sewage lines,
it ensures bi-directional tightness to prevent leakage and contamination. Its compact design
allows easy retrofit or replacement in existing pipelines without requiring extensive dismantling.
Due to low operating torque, operators can quickly adjust valve status with minimal effort,
streamlining maintenance workflows and system checks. As a reliable product from a trusted
butterfly valve manufacturer, it complies with pressure and temperature demands common in
these environments, facilitating seamless integration into standard water supply and waste
management distribution systems.
Role in Food Processing and Pharmaceutical Industries
In sectors where hygiene and precision are paramount, the wafer butterfly valve’s quick, smooth
actuation and diverse seat material compatibility—such as with PTFE and Viton—ensure media
integrity and leak-proof sealing. It caters to liquids like medicines and food-grade fluids,
performing reliably across the specified temperature range. Within these tightly regulated
environments, its low operating torque reduces operator fatigue during frequent usage and
maintenance activities. Integration into process lines advances smooth workflow operations without
risking contamination. This product’s practicality and design sophistication from a well-known butterfly
valve supplier deliver consistent user confidence in high-standard industries where operational
precision cannot be compromised.
FAQ
What materials are available for the Worm Gear Wafer Type Standard Butterfly Valve?
The valve offers a wide range of body materials including ductile iron, cast iron, cast steel,
and stainless steel. Seat options include EPDM, NBR, Viton, and PTFE, ensuring compatibility
with various media. This range supports diverse applications, making it a reliable choice from a
leading butterfly valve manufacturer.
Can the valve be customized to fit specific installation requirements?
Yes, TJL Industry Group provides customization options for the wafer butterfly valve including
different sizes (DN40-DN1200) and materials for seats, stems, and bodies. This flexibility allows
integration into various piping systems tailored for industries such as water treatment and chemical
processing.
How easy is it to install and maintain the wafer butterfly valve?
The compact, lightweight design of this wafer butterfly valve allows for easy installation in tight spaces.
Its worm gear actuator enables quick 90-degree on-off operation, reducing maintenance time. Low
operating torque also means energy-efficient, smooth actuation, simplifying routine servicing.
What should I consider when ordering from TJL Industry Group as a butterfly valve supplier?
When sourcing from TJL, check your specific application needs for size, pressure, and media compatibility
since the valve supports temperatures from -10°C to 100°C. While minimum order quantity and warranty details
aren't specified, TJL’s ISO 9001 certification and global customer service assure product quality and support.
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