Fisher YS Series Three-Way Valve
Fisher YS 3-way valve
The Fisher YS Series three-way valve is designed for modern industrial processes. This high-precision cage-guided valve specializes in accurate flow convergence control and process optimization, ensuring every step in your process runs efficiently and stably.
It offers excellent compatibility, flexibly pairing with pneumatic or electric actuators and Fisher DVC6200 / Stainless Steel DVC6200 digital valve positioners, enabling high-precision valve position feedback and remote monitoring. Perfectly suited for industries requiring high control accuracy and equipment reliability, including petrochemical, chemical, power, pharmaceutical, and water treatment applications.
With our years of domestic and international supply experience, we provide fast delivery, multiple logistics options, 18-month warranty, and professional engineering support, ensuring long-term stable operation and reducing your post-purchase concerns.

Product Advantages
- High-Precision Flow Convergence: Cage-guided design keeps the valve stable, easily handling complex pipeline convergence and flow balancing, improving process efficiency and reducing energy losses.
- Long-Term Reliable Performance: Optimized valve body and disc structure withstand high temperatures, high pressures, and corrosive media. Continuous operation maintains stable performance, minimizing downtime and maintenance costs.
- Seamless Automation Integration: Supports manual, pneumatic, electric, and digital positioner control, enabling remote monitoring, precise valve feedback, and alarm functions, fully compatible with modern industrial automation.
- Flexible Process Adaptation: Select metal or soft seals and carbon steel or stainless steel materials according to process needs, perfectly matching both standard and special operating conditions.
- Easy and Fast Installation: ISO 5211 standard interface supports flange, threaded, or clamp connections for quick integration into existing pipelines, keeping your project on schedule.
Technical Specifications
|
Parameter |
Specification |
|
Valve Body Design |
Cage-guided three-way valve, single-flange (Lug) or wafer design, one-piece body, two-piece seal/back-up O-ring, keyed drive shaft |
|
Size Range |
NPS 1/2–6 (customizable) |
|
Pressure Rating |
CL125 / CL150 / CL250 / CL300 / CL600 |
|
Disc Material |
Hard-coated, wear- and corrosion-resistant |
|
Seal Type |
Metal seat / Soft seal |
|
Actuation |
Manual / Pneumatic / Electric / DVC6200 digital valve positioner (optional) |
|
Rotation Direction |
Clockwise to close |
|
Flow Characteristic |
Equal percentage / Linear, suitable for complex processes |
|
Standards |
MSS SP68, API 609, ANSI/FCI 70-2, IEC 60534, API 607 |

Application Areas
- Oil & Gas: Precise flow control for convergence pipelines, ensuring stable transport and eliminating leakage risks.
- Chemical & Petrochemical: High-precision medium control to optimize process flows, improving efficiency while ensuring safety.
- Power & Energy: Suitable for steam, water distribution, and automated circulation systems, supporting efficient energy use and reducing operational costs.
- Pharmaceutical & Food: Accurate flow and valve position control ensures product quality consistency and repeatable processes.
- Water Treatment & Industrial Piping: Supports remote monitoring and automated control, lowering labor costs and significantly improving operational efficiency.

Actuator & Positioner Compatibility
The YS Series offers extensive compatibility, supporting manual, pneumatic, gear-driven, and electric actuators, and can be paired with Fisher DVC6200 / Stainless Steel DVC6200 digital valve positioners. Using the ISO 5211 standard interface, it enables high-precision automated control, remote feedback, and status monitoring, perfectly integrating into modern industrial control systems and simplifying automation upgrades.
Selection Guide – Choose What You Need
- Pipeline Size & Pressure: NPS 1/2–6, CL125–CL600; suitable for small to medium industrial pipelines, especially high-precision flow convergence systems.
- Medium Type: For corrosive, abrasive, or standard industrial media, choose the appropriate seal and material to ensure compatibility and maximize valve lifespan.
- Automation Requirements: For remote monitoring, precise feedback, or process optimization, pairing with a DVC6200 digital positioner enables high-precision adjustment, real-time monitoring, and alarm functions.
- High-Precision or Heavy-Duty Conditions: For high flow accuracy or valves subject to high torque and frequent operation, pneumatic or electric actuators are recommended for stable automated operation and precise control.
Our Advantages – Complete Support for Your Project
- Years of domestic and international supply experience; capable of supporting large industrial projects.
- Fast delivery with multiple logistics options; full tracking ensures projects stay on schedule.
- 18-month warranty for all products, reducing your operational risks.
- Professional engineering team provides one-on-one guidance from installation and commissioning to maintenance.
- Professional packaging prevents transit damage, ensuring equipment arrives in perfect condition.
- One-stop solution for industrial valves and automation accessories, meeting all your needs without multi-party coordination.

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