8 Inch Butterfly Valve
Product Introduction1
8 Inch Butterfly Valve deliver reliable performance in heavy-duty industrial applications. Their robust flange connections provide superior structural integrity for high-pressure piping systems. The precision gear operator ensures smooth, controlled valve operation with minimal effort, even in demanding conditions. These valves feature reinforced disc designs and multi-layer sealing systems that maintain bubble-tight closure through thousands of cycles. Manufactured to international standards with complete traceability, they serve critical roles in chemical processing, power generation, and water treatment facilities where operational safety and long-term reliability are paramount.
Product Parameter
|
Product Name |
Flange Gear Operated Butterfly Valve |
|
End Connection |
Flanged |
|
Pressure Max |
363 PSI /25 Bar |
|
Standard |
ANSI / GB/BS |
|
Size Range |
2'' to 12'' (DN50-DN300) |
|
Color |
Red/Blue |
|
Surface Finishing |
Epoxy Paint Coating |
|
Application Medium |
Water |
|
Application fields |
Fire protection system, Water supply project |
Product Material
|
Body |
Ductile Iron QT450-10 |
|
Handwheel |
Ductile Iron QT450-10 |
|
Disc |
Ductile Iron ,covered by EPDM / 304 Stainless Steel |
|
Stem |
2CR13 Stainless Steel/304 Stainless Steel |
|
Spring |
304 Stainless Steel |
|
Seal |
NBR(Standard) |
Standout Features of Flanged Gear-Operated Butterfly Valves
Built for Tough Jobs
Its heavy-duty build with strong flanged ends creates a super-secure, leak-proof connection. This makes it the top choice for high-pressure water lines and demanding industrial systems where failure is not an option.
01
Easy on the Operator
The built-in gearbox acts like a powerful multiplier, making it surprisingly easy to open and close large valves by hand. A few smooth turns of the handwheel are all it takes, even when pipeline pressure is high.
02
Seals Tight, Lasts Long
It guarantees a perfect, zero-leak seal with its flexible rubber seat. Combined with a rust-proof stainless steel stem and a tough protective coating, it stands up to harsh conditions for years.
03
Minimal Maintenance Needed
Designed for "set-and-forget" reliability. The sealed gearbox rarely needs service, and the sturdy materials resist wear, saving you time and money on upkeep over its long lifespan.
04
A Safe and Trusted Choice
Many models come with vital safety certifications for fire protection and are built to global quality standards. This gives you confidence in its performance for critical applications, ensuring people and property are protected.
05
FAQ
Q: Is it easy to install?
A: Installation is straightforward but requires care. It involves aligning the valve between two pipe flanges with gaskets and tightening all bolts evenly in a specific pattern. It's more complex than grooved connections but creates a very permanent and strong joint.
Q: Is it prone to breaking down?
A: No, it is known for its durability and is not easy to break. With proper installation and basic care (like occasional cycling), it typically provides 15-20 years of reliable, trouble-free service in demanding conditions.
Q: What valves is it typically used with?
A: In piping systems, it is often paired with other flanged valves, such as flanged check valves (to prevent backflow) and flanged gate valves (for isolation), to create a robust and serviceable flow control system.
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