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swhb6@fzvgroup.com
+8618917894555
Industrial Flow Control

Engineered Butterfly Valves for Critical Pipelines

Manufactured to stringent international standards, our comprehensive range of butterfly valves delivers reliable isolation and throttling capabilities. From concentric designs for general utilities to triple offset configurations for severe service, we provide robust solutions for your most demanding applications.

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Large industrial butterfly valve installation

Comprehensive Butterfly Valve Portfolio

Select from our specialized configurations designed to meet specific pressure, temperature, and media requirements across diverse industrial sectors.

Concentric Butterfly Valve

Concentric Butterfly Valve

Resilient seated design ideal for low-pressure water, air, and general utility applications. Offers zero leakage and easy maintenance.

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Double Offset Butterfly Valve

Double Offset Butterfly Valve

High-performance design reducing seat wear. Suitable for higher pressures and temperatures in chemical and petrochemical plants.

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Triple Offset Butterfly Valve

Triple Offset Butterfly Valve

Metal-to-metal seating for severe service. Provides friction-free operation and bubble-tight shutoff in extreme high-temperature environments.

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High Performance Butterfly Valve

High Performance Butterfly Valve

Engineered for durability and precision control. Features advanced sealing technologies for demanding industrial processes and power generation.

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Manufacturing Excellence & Traceability

With advanced manufacturing facilities in Wenzhou and Shanghai, we maintain strict control over every production stage. From raw material inspection to final pressure testing, our butterfly valves are built to endure.

  • In-House Machining & Assembly

    Precision CNC machining ensures exact tolerances for optimal sealing performance and extended valve lifespan.

  • Rigorous Valve Testing

    100% hydrostatic and pneumatic testing conducted according to API 598 and EN 12266-1 standards.

  • Full Material Traceability

    Complete documentation and certification provided, ensuring compliance with global industrial requirements.

Valve manufacturing facility Valve pressure testing

Technical Specifications & Selection Guide

Understanding the differences in butterfly valve construction is crucial for proper pipeline integration. Review our common technical inquiries below.

What is the difference between Double Offset and Triple Offset?
A double offset valve has the stem offset from the center of the disc and the center of the pipe, reducing friction during the first few degrees of opening. A triple offset valve adds a third offset—a conical seating angle. This allows the disc to seal against the seat with virtually zero friction, making it ideal for severe service, high temperatures, and metal-to-metal sealing where bubble-tight shutoff is required.
What materials are available for your butterfly valves?
We offer a wide range of materials to suit various media and environments. Body materials include Carbon Steel (WCB, LCB), Stainless Steel (CF8, CF8M, CF3M), Duplex Stainless Steel, and Special Alloys (Inconel, Monel). Seat materials range from resilient elastomers (EPDM, NBR, Viton) for concentric valves to PTFE/RTFE for high-performance, and laminated or solid metal seats for triple offset designs.
What actuation options are compatible?
All our butterfly valves come with standard ISO 5211 top flanges, making them easily adaptable to various actuation methods. We provide bare stem, manual gear operators, pneumatic actuators (double acting or spring return), electric actuators, and hydraulic actuators based on your automation requirements.
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Request a Technical Proposal

Connect with our engineering team to discuss your specific pipeline requirements, material selection, and custom configurations.

Email Us

swhb6@fzvgroup.com

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+86 189 1789 4555

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