Stainless Steel 316 Ball Valve

We hold full ISO and API approvals and run a full set of production machines alongside step-by-step quality checks all through manufacturing. Customers can request custom sizes and configurations via OEM & ODM, and we keep relaxed minimum order limits for both small orders and bulk project purchases. Thanks to consistent build quality, our Stainless Steel 316 Ball Valves sell to numerous countries and earn steady positive feedback from overseas partners.

Where are our Stainless Steel 316 Ball Valves commonly used?

Our Stainless Steel 316 Ball Valve adopts molybdenum-containing 316 stainless steel as main raw material, which outperforms regular carbon steel and 304 stainless steel on anti-corrosion performance. Thanks to its strong tolerance to chloride, brine, weak acid and alkaline liquid, this series ball valve is widely installed on process pipelines of fine chemistry, pharmaceutical manufacturing, food drink production, seawater desalination and offshore water treatment. Many clients from coastal areas and chemical factories pick our 316 ball valves because they can keep tight sealing without pitting corrosion after years running under corrosive medium, cutting down frequent maintenance and replacement cost of the whole piping system. Apart from standard medium transportation, it also works well for waste water recycling and corrosive reagent delivery.

Key Attributes

What exactly is Full Port design on our Stainless Steel 316 Ball Valve?

Full Port is one popular structural option for our Stainless Steel 316 Ball Valve. The through-hole inside the floating ball keeps the same inner diameter as valve end connection and matched pipeline, forming a straight unobstructed flow channel. In contrast to reduced port type with narrowed inner bore, full port structure hardly creates extra flow resistance and pressure loss during medium flowing. For clients needing large flow rate, this design is very practical; solid particles inside fluid can smoothly pass through without getting stuck in valve cavity, and users can do pipeline cleaning and pigging conveniently. Though full port 316 ball valve costs a little higher than reduced port variant, most engineering buyers choose it for long-term stable pipeline operation.

How do we tell apart 304 and 316 stainless steel ball valves?

Our Stainless Steel 316 Ball Valve and 304 type look identical in surface luster and appearance, so staff cannot separate them just by bare eyes. The fundamental difference lies in chemical composition: 316 material adds molybdenum element while 304 has none, bringing obvious gap in anti-chloride corrosion capacity. On practical inspection, we have three common ways to confirm material. First is spot test with dedicated stainless testing liquid; drops of reagent will turn 304 surface red rapidly yet leave 316 unchanged. Second is handheld spectrometer test, which scans valve body to show detailed element data and check molybdenum content precisely.  We attach official material test certificates with every shipment of 316 ball valves for customers’ material verification.