ZTVK's metal to metal seated butterfly valves combine progressed three-dimensional offbeat plan with enterprise-level execution capabilities. Our valves include multi-layer fixing innovation that conveys gas-tight, zero-leakage operation over weight evaluations from PN6 to PN16/150LB. With sizes extending DN50-DN3000 and developed from premium materials counting duplex stainless steel, these valves decrease working torque by 30% whereas amplifying benefit life past 50,000 cycles. Each valve experiences thorough testing in our ISO9001-certified office, guaranteeing reliable execution in basic mechanical applications over petrochemical, control era, and water treatment sectors.
When you require dependable stream control in high-pressure situations, our metal to metal seated butterfly valves provide remarkable execution. The inventive three-dimensional unconventional structure disposes of situate wear amid operation, expanding valve life significantly.
Your operations advantage from our precision-engineered circle geometry. This plan guarantees uniform contact over the fixing surface, anticipating spillage indeed beneath challenging conditions. The metal-to-metal setup gives predominant strength compared to conventional soft-seated alternatives.

| Parameter | Specification |
|---|---|
| Size Range | DN50-DN3000 |
| Pressure Rating | PN6 / PN10 / PN16 / 150LB |
| Body Material | Ductile Iron (GGG40/50), Carbon Steel (WCB A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2507/1.4529) |
| Disc Material | DI (Ni lined), WCB (A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2205/2507) |
| Seat Type | Metal + Flexible Graphite |
| Actuator Options | Worm Gear, Electric, Pneumatic |
| Sample Availability | Yes |
You can select from numerous fabric choices to coordinate your particular application necessities. Our carbon steel bodies offer fabulous quality for common mechanical utilize. Stainless steel variations give improved erosion resistance for chemical handling environments.
Duplex stainless steel alternatives provide greatest toughness in forceful media applications. Each fabric experiences careful quality testing to guarantee steady execution all through the valve's operational life.
Our restrictive fixing framework combines metal-to-metal contact with adaptable graphite reinforcement fixing. This double approach guarantees dependable shutoff indeed after thousands of working cycles. The graphite component suits warm extension whereas keeping up seal integrity.
The metal seating surfaces stand up to wear and distortion. Your support costs diminish altogether compared to routine soft-seated plans that require visit situate replacements.
You can work these valves physically through worm equip reducers or computerize them with electric or pneumatic actuators. Our saved actuator interfacing permit future updates without supplanting the valve body.
Electric actuators give exact situating control for stream tweak applications. Pneumatic choices offer fast reaction times perfect for crisis shutdown frameworks. Manual operation remains accessible as reinforcement in all setups.

ZTVK operates from modern facilities in Tianjin's industrial zone. Our 15+ years of butterfly valve specialization ensures consistent quality across all product lines. ISO9001, ISO14001, and OHSAS18001 certifications validate our quality management systems.
We maintain extensive inventory for standard sizes DN50-DN600. Custom configurations require 15-25 days production time. Rush orders receive priority scheduling with expedited 7-10 day delivery available.

Our proximity to Tianjin Port enables efficient international shipping. We partner with major carriers including COSCO and Maersk for reliable freight services. Professional packaging meets ISPM 15 standards, preventing customs delays.
FOB Tianjin Xingang and CIF destination port pricing options simplify your procurement process. Wooden crates with moisture protection ensure product integrity during ocean transport.


You receive 18-month warranty coverage on all metal to metal seated butterfly valves. Our support includes installation guidance videos and detailed troubleshooting manuals. Local technical partners provide on-site assistance when needed.
Digital services let you access product documentation and test reports through QR codes. All certifications are authentic and verifiable through third-party factory audits.
Ready to enhance your flow control systems? Contact our technical team at ktec86961886@163.com for expert valve selection assistance.
Send us your valve requirements and our team will provide professional solutions and fast quotations.