ZTVK's enterprise-grade 3 inch stainless steel butterfly valves highlight our imaginative "twofold offbeat + sideways seal" plan, lessening opening torque by 30% and amplifying benefit life past 50,000 cycles. Built with premium 304 stainless steel development, our valves handle weights up to 1.6MPa and temperatures coming to 425℃. With ISO9001 certification and 15+ a long time of fabricating skill in Tianjin's mechanical zone, we give quick 3-7 day conveyance for standard models.
| Parameter | Specification |
|---|---|
| Nominal Diameter | DN15~1200mm (3 inch included) |
| Nominal Pressure | 150Lb~300Lb, PN0.6~1.6MPa |
| Body Material | 304 Stainless Steel |
| Disc Material | 304 Stainless Steel |
| Seat Material | EPDM, Nitrile, PTFE, Ethylene-propylene, Fluorine rubber, Silicone rubber |
| Temperature Range | Up to 425℃ |
| Suitable Media | Water, seawater, air, weak acids, oils, weak alkaline liquids, alcohol |
| Drive Options | Manual, Electric, Pneumatic |
Our butterfly valves consolidate progressed basic optimization. The one-piece design minimizes wear whereas the diagonal fixing component guarantees tight shut-off execution. This imaginative approach decreases operational stretch and amplifies valve life span significantly.
Every valve body employments precision-cast 304 stainless steel. The plate and situate highlight diverse hardness grades of stainless steel, making ideal fixing characteristics. This fabric choice gives great resistance to temperature changes, weight varieties, and destructive environments.
These valves exceed expectations in requesting mechanical situations. Petrochemical plants depend on them for handle control. Control era offices utilize them for cooling frameworks. Metallurgical operations depend on their toughness for high-temperature applications.
We've outlined saved interfacing for electric and pneumatic actuators. You can effortlessly update to robotized control without supplanting the whole valve body. This forward-thinking approach ensures your venture whereas empowering future automation.

Our 3 inch stainless steel butterfly valve conveys over 50,000 working cycles. The strengthened stem plan withstands visit operation. Premium fixing materials keep up execution all through the valve's benefit life.
The corrosion-resistant stainless steel development minimizes upkeep necessities. Chemical compatibility with different media decreases substitution recurrence. Your operations advantage from diminished downtime and lower add up to taken a toll of ownership.
Quick opening and closing activity makes strides prepare control. Moo liquid resistance keeps up framework proficiency. The ergonomic plan diminishes administrator weariness amid manual operation.
We've consolidated localized plan highlights for distinctive climates. Thickened stem defensive covers handle dusty situations. Specialized epoxy tar coatings stand up to humidity-related corrosion.
ZTVK maintains comprehensive quality certifications including ISO9001, ISO14001, and OHSAS18001. Our manufacturing facility features modern CNC processing centers and specialized valve testing equipment. Every valve undergoes rigorous pressure testing and material analysis.
We comply with multiple international standards:

Standard models (DN50-DN600) maintain 2000+ units in inventory. Orders ship within 3-7 days after confirmation. This rapid response keeps your projects on schedule.
Non-standard designs complete production in 15-25 days. Rush orders receive priority treatment with 7-10 day delivery (20% surcharge applies). Our flexible production lines adapt to urgent requirements.
Our factory sits just 50km from Tianjin Port. Direct land transport reaches the port in one hour. Long-term partnerships with major shipping lines like COSCO and Maersk ensure reliable logistics.

Our technical team provides free valve selection guidance. CAD drawings and 3D models help with system integration planning. Detailed specifications ensure proper application matching.
Every valve includes an 18-month warranty covering non-human damage. Installation guidance videos and troubleshooting manuals support field operations. Local technical partners provide on-site assistance when needed.
QR code scanning accesses product files, test reports, and maintenance records. All certification documents undergo third-party verification. This transparency builds confidence in product authenticity.
We accommodate customer branding requirements. Custom logos, nameplates, and packaging reflect your corporate identity. This flexibility supports distributor and reseller partnerships.
Engineering teams redesign valve bodies for specific applications. Sealing materials adapt to unique media requirements. Connection methods (clamp, flange, lug) match your system specifications.
The combination of precision manufacturing, quality materials, and responsive service makes our valve the ideal choice for demanding industrial applications.


Ready to enhance your system performance? Contact our technical team at ktec86961886@163.com for expert 3 inch stainless steel butterfly valve selection guidance and competitive pricing.
Send us your valve requirements and our team will provide professional solutions and fast quotations.