ZTVK's metal to metal butterfly valve speaks to cutting-edge building for requesting mechanical applications. Our triple unpredictable plan diminishes opening torque by 30% whereas conveying over 50,000 operational cycles. You'll advantage from our progressed multi-layer metal fixing innovation that accomplishes zero-leakage execution over DN50-DN3000 sizes. With PN6-PN16 weight appraisals and 150LB compatibility, these valves exceed expectations in petrochemical, control era, and water treatment offices. Our 15+ a long time of fabricating ability guarantees each valve meets ISO9001 standards.
You get demonstrated three-dimensional unconventional innovation that sets our valves separated from standard plans. The special geometry guarantees your circle and situate make uniform contact without contact amid operation. This implies smoother execution and drastically amplified benefit life for your basic applications.
Our multi-layer metal fixing framework disposes of the issues you confront with conventional soft-seated valves. You won't stress almost situate weakening from tall temperatures or forceful chemicals. The metal-to-metal contact makes solid fixing that keeps up keenness indeed beneath extraordinary conditions.
Your operations request unwavering quality, and our valves convey. The strong development handles temperature extremes, destructive media, and high-pressure applications that would harm routine butterfly valves. You advantage from materials particularly chosen for life span and performance.
The fortified valve stem highlights defensive covers planned for cruel situations. Whether you're managing with Middle Eastern clean conditions or Southeast Asian mugginess, your valve proceeds working dependably. Our specialized coatings give extra assurance against erosion and wear.
You have access to premium materials tailored to your specific needs:
Each material option undergoes rigorous testing to ensure it meets your performance requirements. You receive detailed material certificates and test reports with every order.
Your control prerequisites shift, and our incitation arrangements adjust appropriately. Manual worm adapt administrators give dependable neighborhood control for standard applications. When you require robotized operation, our electric and pneumatic actuators coordinated seamlessly.
The saved actuator interfacing cruel you can overhaul from manual to computerized control without supplanting the whole valve. This adaptability secures your venture and permits for framework advancement as your needs alter.

| Parameter | Specification |
|---|---|
| Size Range | DN50-DN3000 |
| Pressure Rating | PN6 / PN10 / PN16 / 150LB |
| Body Materials | Ductile Iron (GGG40/50), Carbon Steel (WCB A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2507/1.4529) |
| Disc Materials | DI (Ni lined), WCB (A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2205/2507) |
| Seat Configuration | Metal + Flexible Graphite |
| Actuator Options | Worm Gear, Electric, Pneumatic |
| Temperature Range | -40°C to +550°C (material dependent) |
| Leakage Rate | Zero leakage (metal seated design) |
Your refinery operations advantage from our valve's capacity to handle forceful hydrocarbons and high-temperature applications. The metal situated plan disposes of concerns approximately situate swelling or corruption that torment elastomer-sealed alternatives.
Steam benefit and high-temperature applications are where our metal to metal butterfly valve really exceeds expectations. You get solid execution in superheated steam, condensate, and cooling water frameworks without the upkeep migraines of soft-seated valves.
Municipal and mechanical water treatment offices depend on our valves for long-term execution. The metal fixing innovation handles chlorinated water, wastewater, and chemical dosing applications whereas keeping up tight shutoff capabilities.
Your steel generation forms request valves that withstand extraordinary conditions. Our strong development and high-temperature capabilities make them perfect for impact heater applications, cooling water frameworks, and chemical preparing regions.
You receive valves manufactured under strict quality control procedures. Our ISO9001 certification ensures consistent production standards, while ISO4001 and OHSAS18001 certifications demonstrate our commitment to environmental and safety excellence.
Every valve undergoes comprehensive testing including:

Your project schedules are important to us. Standard sizes (DN50-DN600) ship within 3-7 days from our extensive inventory. Custom configurations require 15-25 days, with expedited options available for urgent requirements.
Our location near Tianjin Port provides efficient shipping worldwide. You benefit from established relationships with major shipping lines and professional packaging that meets international standards.
The comprehensive support package includes installation guidance videos, troubleshooting manuals, and access to local technical partners. You're never left without support when you need assistance.


Traditional soft-seated butterfly valves limit your operational flexibility. Temperature restrictions, chemical compatibility issues, and frequent maintenance create operational challenges. Our metal to metal butterfly valve technology eliminates these constraints.
You gain operational confidence knowing your valves will perform reliably in extreme conditions. The zero-leakage design meets stringent environmental requirements while reducing operational costs through extended maintenance intervals.
Ready to upgrade your valve performance? Contact our technical team at ktec86961886@163.com for personalized solutions.
Send us your valve requirements and our team will provide professional solutions and fast quotations.