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.
4 Inch Butterfly Valve 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. | |||
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
Design Flexibility and Robust Construction
The structural design of this wafer butterfly valve prioritizes compactness, making it a practical choice for space-limited installations
without sacrificing durability. The resilient seating ensures bubble-tight sealing, while the cast iron body options provide corrosion
resistance and mechanical strength. As a trusted butterfly valve supplier, modular compatibility with multiple flange standards
(DIN, EN, JIS, ASME) allows seamless system integration. This design supports quick installation and straightforward maintenance
, minimizing downtime and labor costs. The valve’s simple 90-degree open-close movement requires low operating torque,
further enhancing its adaptability in diverse piping systems requiring reliable flow isolation.
Ease of Operation and Long-Term Reliability
Users benefit from a butterfly valve engineered for smooth, energy-saving performance in everyday applications. The lightweight,
wafer-style construction reduces handling effort, while resilient seats guarantee consistent tightness over thousands of cycles.
Its ability to perform under pressures up to 2.5 MPa and withstand a broad temperature range makes it versatile across many
fluid types, from water and oils to acids and steam. This butterfly valve manufacturer ensures that product delivers quick response
times and minimal maintenance demands. These operational advantages provide lasting value to those seeking an easy-to-use,
dependable valve for general industrial or residential use.
Use Scenarios
Water Treatment and Wastewater Management Applications
In municipal water treatment plants and sewage systems, this wafer butterfly valve plays a critical role in controlling flow and isolating
pipeline sections during maintenance or testing. Its resilient seat provides the necessary tight shut-off to prevent leaks in pipelines
carrying water or wastewater, ensuring system integrity and regulatory compliance. The valve’s compatibility with various flange
standards allows easy replacement of older valves without extensive rewiring. Operators value its quick 90-degree turn for rapid
flow adjustments, contributing to efficient plant operations and reduced service interruptions. This butterfly valve supports sustainable
water management practices via reliable sealing and durable performance.
Food, Medicine, and Pharmaceutical Industry Use
This butterfly valve suits environments demanding hygienic and chemically resistant components, such as food processing and
pharmaceutical manufacturing lines. Its multiple seat materials, including FDA-approved options, ensure safe contact with
consumables and sensitive liquids. The wafer design enables easy integration inside complex piping layouts where space and
sanitation are priorities. Additionally, its low-maintenance body withstands different sterilization procedures. As butterfly valve
from a professional supplier, it facilitates consistent flow control while meeting stringent industry standards. This level of
performance and compatibility is essential for maintaining product purity and controlling process accuracy in regulated production settings.
FAQ
What materials are available for the resilient seat wafer butterfly valve?
Our butterfly valve manufacturer offers valve bodies in ductile iron, cast iron, cast steel, and stainless steel. Seat materials include
EPDM, NBR, Viton, silicone, and PTFE, ensuring compatibility with various media like water, oils, and acids for durable performance.
Can the wafer butterfly valve be installed on existing pipe systems?
Yes, the wafer design allows simple retrofit installation with standard flange connections (DIN, EN, JIS, ASME). This makes our wafer
butterfly valve ideal for upgrading existing piping systems without extensive modifications.
What operating conditions can the resilient seat butterfly valve handle?
This valve supports nominal diameters DN40 to DN1200, pressures up to 2.5 MPa, and temperatures from -10°C to 100°C. Its
materials and construction suit diverse applications including water, sewage, steam, and industrial fluids.
Does the butterfly valve require special maintenance for long service life?
Thanks to its compact design and durable materials, the valve needs minimal maintenance. Its resilient seat ensures tens of thousands
of cycles with bubble-tight sealing, reducing the need for frequent service or adjustments.
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