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.
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In the world of industrial flow control, not all valves are created equal—and choosing the wrong one can lead to system inefficiencies, breakdowns, or worse. Whether you’re an engineer, contractor, or purchasing manager, knowing what to prioritize when selecting a valve can save you headaches down the road.So, what should you really be looking at?
Ask yourself: What job does the valve need to do?
Is it just supposed to stop flow completely? Then you’re probably looking at a gate or ball valve.
Need to fine-tune how much fluid passes through? A globe or butterfly valve is better.
Worried about backflow? Go with a check valve.
Understanding the valve's function is the foundation for everything that follows.
Valves live in tough environments. Pressure, temperature, and the type of fluid or gas all play a role.
High temperature steam? You’ll want a bellow seal valve or a high-temperature rated metal seat.
Corrosive chemicals? Don’t risk it—go for stainless steel or PTFE-lined valves.
Material compatibility is often overlooked, but it’s the #1 reason for premature valve failure.
Think about how the valve will be operated. If it’s buried underground or hard to access, manual handles are out.
For smart systems or remote locations, electric actuators offer convenience. For quick open/close cycles in hazardous zones, pneumatic might be better.
It’s tempting to go with the lowest price, but what about service life? Can you easily get replacement parts? Is it easy to disassemble?
Look for valves with modular designs, standardized interfaces, and good manufacturer support. That small detail could save days of downtime.
Especially in industries like marine, food, or petrochemical, certified valves are non-negotiable.
Make sure you’re getting products that meet CE, WRAS, API, or ISO standards. It’s not just about quality—it’s about trust and compliance.