ZTVK's enterprise-grade butterfly valves provide extraordinary execution with our imaginative "double eccentric + oblique seal" plan. Our water main butterfly valve diminish opening torque by 30% whereas expanding operational life expectancy to over 50,000 cycles. Accessible in sizes from DN40-DN1200mm with PN10/PN16 working weight evaluations, these valves bolster numerous operation strategies counting manual, pneumatic, and electric activation for flexible establishment requirements.
Our butterfly valves highlight a one-piece development with circularly handled and hand-polished plate edges. This plan minimizes working torque whereas maximizing situate life span and fixing execution. The streamlined profile totally avoids tidy molecule and microscopic organisms amassing, making it perfect for sterile applications.
The valve plate and stem surfaces can be coated with nitrile or EPDM elastic to avoid metal surface disintegration and erosion. Our thin-plate plan reasoning moves forward stream coefficient (Cv) by 50% compared to customary center-shaft plans, conveying predominant weight recuperation capabilities and energy-efficient operation.

| Parameter | Specification |
|---|---|
| Size Range | 1.5"-48" (DN40-DN1200 mm) |
| Working Pressure | PN10/PN16 |
| Connection Type | Wafer type |
| Connection Standards | ISO5211, PN10/PN16/125LB/150LB/JIS5K/JIS10K/JIS16K |
| Body Material | DI/QT450 |
| Disc Material | DI/CF8/CF8M/Aluminum bronze |
| Seat Material | EPDM/NBR/PTFE/VITON |
| Operating Temperature | 0℃~80℃ |
| Operation Methods | Hand lever, Worm gear, Pneumatic actuator, Electric actuator |
Structural Optimization: Our one-piece design with diagonal fixing diminishes operational push and expands benefit life essentially. The 90-degree opening/closing instrument gives fast exchanging with negligible effort.
Material Compatibility: Select from different materials counting carbon steel, stainless steel 304/316, and duplex steel alternatives. Our materials offer prevalent erosion resistance compared to standard cast press alternatives.
Intelligent Development: Saved interfacing for electric and pneumatic actuators permit consistent updates to computerized control frameworks without supplanting the valve body.
Localized Designing: We've created specialized highlights like thickened valve stem defensive covers for dusty situations and epoxy gum coatings for high-humidity climates.

These butterfly valves excel across diverse industrial sectors including:
Our water main butterfly valve handles fresh water, sewage, seawater, air, steam, various oils, acids, and alkaline solutions with reliable performance.

ZTVK operates from Tianjin's Beichen Industrial Zone with over 15 years of specialized butterfly valve manufacturing experience. Our facility maintains ISO9001, ISO14001, and OHSAS18001 certifications alongside modern CNC machining centers and comprehensive testing equipment.
We maintain 2000+ standard units (DN50-DN600) in inventory for 3-7 day delivery. Custom orders typically ship within 15-25 days, with rush delivery options available.
Each valve experiences thorough weight testing and fabric examination some time recently shipment. Our quality framework complies with API, ANSI, JIS, BS, and Din international standards.
Comprehensive Warranty: 18-month scope with free substitution for fabricating absconds. Establishment direction recordings and investigating manuals guarantee smooth deployment.
Digital Services: QR code get to to item records, test reports, and upkeep records. All certifications are bona fide and third-party verifiable.

Located fair 50km from Tianjin Harbour, we give productive shipping arrangements through associations with major carriers like COSCO and Maersk. Proficient bundling meets ISPM 15 universal measures, avoiding traditions delays.
We offer both Fob Tianjin Xingang and CIF goal harbour estimating with adaptable installment terms for worldwide clients.

OEM Services: Custom branding with your specified logos, nameplates, and packaging requirements.
ODM Engineering: Complete valve redesign including body structure, sealing materials, and connection methods tailored to your specific operating conditions.
Our engineering team provides free selection consultation, CAD drawings, and 3D models to ensure optimal valve specification for your application.
Whether you need a single water main butterfly valve or large-volume orders, our responsive manufacturing capabilities and global shipping network deliver the reliability your operations demand.
Contact Us: Ready to discuss your valve requirements? Email us at ktec86961886@163.com for expert consultation and competitive pricing.
Send us your valve requirements and our team will provide professional solutions and fast quotations.