STAINLESS STEEL BALL VALVES · DIRECT FROM FACTORY
Stainless Steel Ball Valves
Soft Seat · Hard Seated · Thread · PTFE Lined — Full Range
30 years focused on stainless steel. 4 product series, all manufactured in our own 50,000m² plant in Wenzhou.
API 6D · DIN · ASME certified. DN8 to DN600. OEM available.
Product Showroom · Wenzhou
Bautu Product Showroom — Full Valve Range on Display
Ball valves · Actuated assemblies · Linear motion valves — every product you can order
Soft Seat Ball Valves
PTFE seat, suitable for water, oil and chemical media. Operating temp -40°C to +180°C. Flanged connection, API 6D · DIN full range.
API 6D/ API 608 Soft Seat Ball Valve - Low Platform
Class 150/300 · NPS 1/2″ -8″ · WCB / CF8 / CF8m
API 6D/ API 608 Soft Seat Ball Valve - High Platform
SS304 / SS316 · Class 150/300 / 564654
JIS/B2011 Soft Seat Ball Valve - High Platform
5K / 10K / 20K / 30K · 15A – 200A · SCS13 / SCS14
GB/T 12237 Soft Seated Ball Valve - Standard Platform
PN10 / PN16 / PN25 / PN40 · WCB / CF8 /CF8M
Hard Seated Ball Valves
Metal-to-metal seating, for high-temperature / high-pressure service, steam, heavy oils and abrasive media. Up to +450°C.
API 6D/API 608 Hard Seated Ball Valve - Low Platform
Class 150/300 · NPS 1/2″ -8″ · WCB / CF8 / CF8m
API 6D/API 608 WBC Carbon Steel Hard Seated Ball Valve - Low Platform
Class 150/300 · NPS 1/2″ -8″ · WCB Carbon steel
GB/T 12237 Hard Seated Ball Valve - Low Platform
PN16 / PN25 / PN40 · DN15 – DN200 · WCB / CF8 · CF8M
GB/T 12337 Hard Seated Ball Valve – Standard Platform
PN16 / PN25 / PN40 · DN15 – 200 · CF8 / CF8M / WBC
Thread Ball Valves
Description: BSP / NPT threaded ends. Compact installation, ideal for small-bore systems. 2PC / 3PC body construction. DN8–DN100.
3-Piece Threaded Ball Valve (Q11F, Dismantlable)
Q11F · 1000 WOG · DN8 – DN100 · All SS304
PTFE Lined Ball Valves
Full-bore PTFE lining, designed for highly corrosive media — strong acids, alkalis, organic solvents. Flanged, DN15–DN200.
GB/12237 PTFE Lined Ball Valve - High Platform
PN16 / PN25 · DN25 / DN200 · CF8 · CF8M Body
— WHY bAUTU
Why Bautu Ball Valves Are Worth Specifying
🏭 In-House Foundry — 100% Material Traceability
Casting → machining → QC all within our 50,000m² Wenzhou plant. No subcontracting, no material substitution risk. Mill certificates issued with every order, audit-ready documentation
💧Every Valve — 100% Individual Hydrostatic Test
Per API 598: shell, seat and backseat pressure tests performed on every single valve — not batch-sampled. Test reports shipped with the goods.
Get in touch
Need a Ball Valve Quote or Selection Support?
Tell us the size, pressure rating, media, standard and quantity — our sales team replies within 24 hours.