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Help CenterTriple Eccentric Butterfly Valve With 2-Year Warranty and Mill Test Report Provided
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As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our advanced Triple Eccentric Butterfly Valve. Engineered for demanding industrial applications, this valve offers superior sealing performance, exceptional durability, and reliable operation, making it a cost-effective and high-performance solution for your critical flow control needs. With over seven years of manufacturing expertise and a global export footprint, we deliver valves that meet stringent international standards and provide long-term value.
The core innovation of our valve lies in its triple eccentric design, which fundamentally eliminates wear and ensures a bubble-tight seal even under high-pressure and high-temperature conditions. Unlike conventional butterfly valves, the sealing mechanism operates without friction, significantly extending the valve's service life and reducing maintenance costs. This design is particularly advantageous for applications involving abrasive media, thermal cycling, or where zero leakage is paramount.
Our valves are constructed from premium-grade materials to withstand corrosive environments and mechanical stress. Key components, including the disc, seat, and stem, are meticulously machined and assembled to ensure precise alignment and optimal performance. We offer a comprehensive range of configurations to suit diverse project requirements.
- Zero Leakage Sealing: The metal-to-metal seat design, combined with the triple offset geometry, achieves a bubble-tight seal, meeting stringent shut-off requirements for gases and liquids.
- Frictionless Operation: The disc only contacts the seat at the final moment of closure, preventing galling and wear, which ensures smooth actuation and consistent performance over thousands of cycles.
- High Temperature & Pressure Resistance: Suitable for services from cryogenic temperatures up to 600°C (1112°F) and pressure classes up to ANSI Class 600, depending on material selection.
- Bi-Directional Sealing: Provides effective sealing in both flow directions, offering greater installation flexibility and system reliability.
- Low Torque Requirement: The eccentric design reduces operating torque, allowing for smaller, more economical actuators and reducing overall system energy consumption.
- Fire-Safe Design (Optional): Available with fire-safe features that meet API 607/API 6FA standards, ensuring safety in hazardous environments.
The table below outlines the standard specifications for our triple eccentric butterfly valve series. Customizations are available upon request.
| Parameter | Specification |
|---|---|
| Design Standard | API 609, API 6D, AWWA C504 |
| Size Range | 2" - 60" (DN50 - DN1500) |
| Pressure Rating | Class 150, 300, 600 (PN10/16/25/40/64/100) |
| Body Material | WCB, LCB, CF8, CF8M, Duplex, Monel, Hastelloy |
| Disc Material | WCB + Ni Plating, SS316, Alloy 20, Duplex |
| Seat Material | Stainless Steel, Inconel, Stellite |
| Stem Material | 17-4PH SS, Monel, Duplex |
| End Connection | Wafer, Lug, Double Flange (RF, RTJ) |
| Operation | Lever, Worm Gear, Pneumatic Actuator, Electric Actuator |
| Temperature Range | -196°C to +600°C (-320°F to +1112°F) |
By choosing our triple eccentric butterfly valve, you benefit from:
- Enhanced System Integrity: Reliable shut-off minimizes product loss and prevents environmental contamination.
- Reduced Total Cost of Ownership: Extended service life and minimal maintenance lower operational expenses significantly.
- Operational Flexibility: Suitable for a wide spectrum of media, including steam, hydrocarbons, chemicals, and seawater.
- Simplified Installation & Maintenance: Compact design saves space, and the robust construction allows for easy inspection and part replacement if needed.
Our commitment to quality is backed by our ISO9001-certified manufacturing processes and a comprehensive 2-year warranty. Each valve is accompanied by a Mill Test Report (MTR), providing full traceability of material chemistry and mechanical properties, giving you complete confidence in the product's pedigree. With an annual export value exceeding one million USD and a presence in markets across North America, Europe, Asia, Africa, and Oceania, our products have proven their reliability worldwide. Partner with Shanghai Zhibang for a valve solution that combines advanced engineering, verified quality, and dependable support.
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What is the main advantage of a triple eccentric design over a standard butterfly valve?
The primary advantage is its ability to provide a bubble-tight, zero-leakage seal using metal seats. The design eliminates friction during operation, which drastically reduces wear and allows the valve to handle high pressures, high temperatures, and abrasive fluids much more effectively than resilient-seated butterfly valves. -
Can this valve be used for both on/off service and throttling control?
While its primary strength is in isolating and shut-off applications, the triple eccentric design also allows for reasonably good throttling characteristics, especially when compared to standard butterfly valves. For precise modulating control, we recommend pairing it with a high-quality actuator and positioner. -
What does the included 2-year warranty cover?
Our warranty covers defects in materials and workmanship under normal use for a period of 24 months from the date of shipment. It includes repair or replacement of the faulty valve or components. The warranty terms are detailed in our commercial documentation. -
What information is provided in the Mill Test Report (MTR)?
The MTR is a certified document from the material mill. It typically includes the heat number, chemical composition, mechanical properties (tensile strength, yield strength, elongation), heat treatment data, and results of non-destructive tests for the primary valve body and critical components, ensuring material conformity to specified standards. -
Are your valves suitable for fire-safe applications?
Yes, we offer fire-safe design options that comply with industry standards such as API 607 and API 6FA. These valves are engineered to maintain sealing integrity even when exposed to fire, a critical requirement for oil & gas and chemical industries. -
What types of actuators can be fitted to your triple eccentric butterfly valves?
Our valves are designed to be compatible with a wide range of actuation methods. We can supply them with manual levers, worm gear operators, pneumatic actuators (double-acting or spring-return), and electric actuators. We can also provide integrated packages with the actuator pre-mounted and tested. -
Do you offer custom sizes or materials outside your standard range?
Absolutely. As a manufacturer, we have the flexibility to produce valves in non-standard sizes, special material grades (like super duplex, nickel alloys), and with unique end connections or pressure ratings to meet specific project requirements. Please contact our engineering team with your specifications. -
What are your main shipping ports and typical lead times?
We primarily ship from Shanghai, Guangzhou, Hong Kong, and Beijing. Lead times vary based on valve size, material, and configuration. Standard products typically have a shorter lead time, while customized orders require additional engineering and manufacturing time. We provide specific delivery schedules upon order confirmation.
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