We offer highly cost-effective products and professional after-sale service for the marine, HVAC, water, oil & gas, fire fighting industries. Our valves, all delivered by experienced technicians, are of guaranteed good quality.
> Water > HVAC > Marine > Oil & Gas > Industry > Fire FightingWith years of experience, I-FLOW knows the market very well. We can provide excellent one-stop solutions for our clients. For more information about our valves and service, contact us today!
> CEO'S Greeting > Our factory > Career & culture > Fairs and eventsI-FLOW has an excellent R&D team. Managed strictly under ISO 9001, we inspect and test each of our valves to make sure 100% qualified.
> Research & Development > Quality Control > Quality Assurance > CertificatesWe, together with our associated companies, have obtained various types of certificates, including CE, WRAS, DNV, GL, LR, ABS etc. I-Flow valves are now widely used all over the world, in Shangrila Hotel, Kerry Center, Milan Expo, Fiat Workshop, IKEA, COSCO vessels, etc.
> Marine > HVAC > Water Treatment > Oil & GasAccumulating 10 years' experience in valves, we are an excellent solution provider. Keep in touch now and experience how your needs are well addressed.
> Client Stories > Our Projects > Company News > Industry NewsWith over 10 years of experience in the industry of valves, I-FLOW will provide the perfect solution for your project. Contact us now, we will solve all your problems.
> Download > After-sale Service > FAQs en |
We will contact you within 24 hours.
In every industrial plant, there are pieces of equipment that steal the spotlight—massive pumps, reactors, or turbines. But if you take a closer look, the true heroes are often smaller, quieter, and far less glamorous. One of those is the butterfly valve. And while the standard version has served industries for decades, the high-performance butterfly valve is rewriting the rules.
So what makes this type of valve a game-changer? Let’s pull back the curtain.
Picture a regular butterfly valve. Its disc sits right in the middle, pivoting on a central shaft. To seal, it presses against a rubber seat—causing friction every time it opens or closes. Over time, that rubbing wears out the seat, leading to leaks, downtime, and costly repairs.
High-performance butterfly valves changed that story. Instead of being perfectly centered, they’re designed with a double offset. The disc shaft is slightly off-center, and the shaft’s centerline is also shifted from the pipe’s centerline.
Think of it like a door. A standard valve is a door dragging on the floor every time you close it. A high-performance valve is a door that glides into place, touching only when it needs to. That clever geometry means less wear, less friction, and a tighter seal.
And if you push it further? The triple offset butterfly valve eliminates all rubbing by adding a third offset. This is the top choice for industries that demand absolute zero leakage under extreme conditions.
This isn’t just clever engineering—it delivers results that operators can feel every day:
Bubble-tight shutoff – no leaks, no wasted product, no safety risks.
Longer service life – reduced wear means fewer replacements.
Extreme durability – capable of handling high temperatures, corrosive chemicals, or extreme pressures.
Smooth operation – less torque required, so actuators last longer and cost less.
High-performance butterfly valves aren’t theoretical—they’re already embedded in some of the toughest industries:
Oil & Gas: Controlling hydrocarbons under extreme pressure offshore or onshore.
Power Generation: Managing superheated steam and cooling systems in power plants.
Chemical Processing: Handling corrosive, toxic, or volatile substances with confidence.
Water & Wastewater: Providing reliable flow control in massive municipal networks.
Yes, they cost more than a standard butterfly valve. But in practice, they pay for themselves many times over. Fewer shutdowns, fewer leaks, fewer headaches—that’s what plants gain by choosing double offset or triple offset butterfly valves.
At the end of the day, these valves aren’t just about moving fluids. They’re about protecting uptime, ensuring safety, and delivering efficiency in the world’s most demanding environments.