ZTVK's iron butterfly valve combines cutting-edge designing with vigorous toughness for mechanical applications. Our progressed plan highlights a twofold offbeat + sideways seal arrangement that diminishes opening torque by 30% whereas amplifying operational life past 50,000 cycles. With weight evaluations from PN6 to PN16 and sizes traversing DN50-DN2400, these valves convey uncommon execution over water treatment, HVAC, control era, and preparing businesses. Built to API, Din, and ANSI standards, our press butterfly valve arrangements guarantee solid stream control in requesting environments.
Our valves consolidate imaginative auxiliary optimization that sets them separated from customary plans. The twofold unpredictable arrangement with sideways fixing innovation altogether diminishes operational push whereas maximizing fixing viability. This building approach guarantees smooth operation indeed beneath challenging conditions.
The bendable press development (GGG40) gives extraordinary strength-to-weight proportion. Your framework benefits from diminished establishment complexity without compromising on weight dealing with capabilities. Our plan logic prioritizes both execution and practicality.
We get it that diverse applications request particular fabric properties. Our situate alternatives incorporate NBR, EPDM, Viton, and silicone elastic to coordinate your particular chemical compatibility necessities. The circle and trim materials extend from epoxy-coated bendable press to premium stainless steel grades counting SS316, SS304, duplex steel, and bronze.
Stem materials are carefully chosen for life span and execution. Select from SS316, SS304, SS420, or SS416 based on your erosion resistance and quality necessities. This adaptability guarantees ideal execution over assorted working conditions.
Your establishment prerequisites are interesting, which is why we offer different association sorts. Wafer, haul, and rib associations oblige different channeling arrangements and space imperatives. This flexibility disentangles integration into existing frameworks whereas keeping up basic integrity.

| Parameter | Specification |
|---|---|
| Size Range | DN50-DN2400 (NPS1¼-NPS96) |
| Pressure Rating | PN6, PN10, PN16 (Class 150) |
| Temperature Range | -29°C to +120°C |
| Body Material | Ductile Iron GGG40 |
| Seat Options | NBR, EPDM, Viton, Silicone Rubber |
| Disc/Trim Materials | Epoxy Coated Ductile Iron, SS316, SS304, Duplex Steel, Bronze |
| Stem Materials | SS316, SS304, SS420, SS416 |
| Connection Types | Wafer, Lug, Flange |
| Design Standards | API, DIN, ASME, ISO, ANSI, GB/T, BS EN, AWWA |
| Applications | Water, Power Plants, HVAC, Food, Medicine, Desalination |
The progressed metallurgy of our pliable press development conveys prevalent wear resistance compared to routine cast press options. Your hardware speculation is ensured through amplified operational life and diminished upkeep necessities. The material's characteristic durability handles warm cycling and mechanical stretch effectively.
Reduced torque necessities decipher into lower actuator costs and vitality utilization. The streamlined plan minimizes weight drop whereas keeping up exact stream control. Your framework works more proficiently with decreased operational costs over the valve's lifecycle.
Our iron butterfly valve performs dependably over a wide temperature range from -29°C to +120°C. This extend obliges regular varieties and prepare necessities in applications from chilled water frameworks to direct warming applications. The warm solidness guarantees reliable fixing execution all through the working range.

Municipal and mechanical water treatment offices depend on our valves for reliable execution. The corrosion-resistant coatings and fabric alternatives handle different water chemistries viably. Your treatment forms advantage from solid separation and throttling capabilities.
Power plants request gear that performs beneath extraordinary conditions. Our valves handle cooling water frameworks, condensate return, and assistant applications with demonstrated unwavering quality. The vigorous development withstands the requesting environment of control era facilities.
Building mechanization frameworks require responsive stream control. Our valves coordinated consistently with pneumatic and electric actuators for exact temperature control. The compact plan fits inside space-constrained mechanical rooms whereas conveying a long time of dependable service.
Food, pharmaceutical, and common mechanical applications advantage from our sterile plan alternatives and fabric certifications. The smooth bore plan minimizes turbulence and item corruption whereas keeping up simple cleaning conventions.


Quality AssuranceManufacturing Excellence
Located in Tianjin's Beichen Industrial Zone, our manufacturing facility operates under ISO9001, ISO14001, and OHSAS18001 certifications. Advanced CNC machining centers and specialized valve processing equipment ensure consistent quality and precise tolerances.
Every iron butterfly valve undergoes comprehensive testing including pressure verification, seat leakage assessment, and operational cycling. Our quality control protocols exceed industry standards to ensure your valve performs as specified from day one.

With over 15 years of specialized butterfly valve manufacturing experience, ZTVK delivers proven solutions for critical applications worldwide. Our proximity to Tianjin Port enables efficient global shipping with professional packaging meeting ISPM 15 standards.
Ready to enhance your flow control system? Contact our technical team at ktec86961886@163.com for personalized valve selection assistance.
Send us your valve requirements and our team will provide professional solutions and fast quotations.