ZTVK's double acting butterfly valve conveys enterprise-grade execution with our inventive "twofold unpredictable + diagonal seal" plan, lessening working torque by 30% whereas expanding benefit life to over 50,000 cycles. Fabricated in Tianjin's mechanical center with ISO9001/ISO4001/OHSAS18001 certifications, our valves highlight progressed CNC-machined components and comprehensive weight testing. Accessible in sizes DN700-2000mm with PN10/PN16 weight appraisals, these pneumatically worked butterfly valves bolster numerous materials counting WCB, stainless steel 304/316, and duplex steel for prevalent erosion resistance over petrochemical, control era, and water treatment applications.
You get more than fair a valve when you select ZTVK. Our building group has went through over 15 a long time culminating the plan to meet real-world challenges. The twofold unpredictable arrangement implies your valve opens and closes easily each time, indeed beneath tall weight conditions.
Your operations advantage from decreased support costs. The upgraded fixing plan anticipates spillage whereas the strong development handles requesting mechanical situations. Whether you're overseeing water treatment plants, oil refineries, or chemical preparing offices, these valves keep up steady performance.
| Parameter | Specification |
|---|---|
| Size Range | 28"-80" (DN700-DN2000 mm) |
| Working Pressure | PN10/PN16 |
| Body Material | WCB (A216)/Ductile Iron (GGG50), Stainless Steel (CF8/CF8M/CF3/CF3M) |
| Disc Material | DI (Ni lined), WCB (A216), Stainless Steel (SS304/SS316/SS304L/SS316L), Duplex Stainless Steel (2205/2507) |
| Seat Material | EPDM/NBR/PTFE/VITON |
| Connection Type | Flanged |
| Connection Standards | ISO5211--PN10/PN16/125LB/150LB/JIS10K |
| Operating Temperature | 0℃~80℃ |
| Suitable Media | Water, gas, oil, etc. |
| Actuation | Pneumatic (Double Acting) |
Your double acting butterfly valve works utilizing compressed discuss as the control source. The pneumatic actuator drives the valve stem turn, causing the butterfly circle to pivot inside 0° to 90° extend. This empowers fast opening, closing, or stream alteration in your pipeline system.
Double acting actuators utilize discuss weight for both opening and closing operations. When discuss supply is misplaced, the valve keeps up its final position. This plan gives you exact control over valve situating and permits for dependable stream control in computerized systems.
Cut-off Capability: Your butterfly valve gives solid medium separation, opening and closing liquid entries in pipelines with confidence.
Flow Control: You can plan these valves with direction capacities to control stream rate, weight, temperature, and fluid level parameters in your system.
Automated Control: The pneumatic actuator coordinating with control frameworks, diminishing manual intercession whereas making strides your operational efficiency.
Your facility benefits from versatile valve solutions across multiple industries:

ZTVK keeps up strict quality benchmarks through comprehensive certifications. Our fabricating office highlights present day CNC handling centers, specialized large-diameter valve machines, and total testing hardware. Each valve experiences thorough weight testing and fabric examination some time recently shipment.
You get items made to worldwide benchmarks counting API, ANSI, JIS, BS, and Clamor details. Our quality administration framework guarantees steady execution over all valve conveyances.

Standard models (DN50-DN600) ship within 3-7 days from our 2000+ unit inventory. Custom configurations require 15-25 days production time, with rush order options available.
Our location 50km from Tianjin Port enables efficient shipping through established partnerships with COSCO Shipping and Maersk. Professional packaging meets ISPM 15 international standards, preventing cargo delays.

You get complete project support from selection to installation. Our team provides free CAD drawings, 3D models, and technical consultations during the design phase.
After delivery, you benefit from 18-month warranty coverage with free replacement for manufacturing defects. Installation guidance videos and troubleshooting manuals help your maintenance team. Local technical partners offer on-site support when needed.
Digital services include QR code access to product files, test reports, and maintenance records. All certifications are authentic and verifiable through third-party audits.
Your unique applications receive tailored solutions through our OEM and ODM services. We can modify valve body structure, sealing materials, and connection methods to match your specific working conditions.
Localized designs address regional challenges - thickened valve stem covers for high-dust Middle Eastern environments, and epoxy resin coatings for humid Southeast Asian climates.
You partner with a manufacturer that combines Chinese supply chain efficiency with international quality standards. Our proximity to major ports, mature industrial infrastructure, and extensive engineering experience enable flexible responses to your project needs.
Small orders receive the same attention as large projects. Rush delivery capabilities ensure your critical applications stay on schedule. The valve design provides the reliability and performance your operations demand.


Ready to discuss your valve requirements? Email us at ktec86961886@163.com for technical consultation and pricing information of double acting butterfly valve.
Send us your valve requirements and our team will provide professional solutions and fast quotations.