High-Performance Butterfly Control Valve
Double-offset butterfly valve with characterized disc for modulating control in large-diameter pipelines.
Technical Specifications
| Type | Double Offset (High-Performance) |
| Size Range | 2" to 48" (50 mm to 1200 mm) |
| Body Materials | Carbon Steel, Stainless Steel, Duplex |
| Disc Material | SS316 / Duplex - characterized profile |
| Seat Material | Soft (PTFE, EPDM) / Metal Seated |
| Actuator | Pneumatic, Electric, Hydraulic |
| End Connections | Wafer, Lug, Double Flanged |
| Pressure Rating | PN16 / PN25 / PN40, Class 150 / 300 |
| Standards | API 609,IEC 60534 |
| Lead Time | Ex-stock Gujarat: Same day | Standard items: 2–4 weeks | Exotic alloys: 8–12 weeks |
Applications
Large-diameter flow control, water, chemicals, power, HVAC
About the High-Performance Butterfly Control Valve
The high-performance butterfly control valve uses a double-offset disc geometry - the disc shaft is positioned behind the disc centreline and to one side of the seat bore - to reduce the continuous rubbing contact between disc edge and seat during the opening stroke that limits the service life of concentric butterfly valves in modulating duty. The double offset means the disc edge lifts cleanly away from the seat within the first few degrees of opening, avoiding the seat wear that makes concentric butterfly valves unsuitable for throttling service. A characterised disc profile (contoured disc edge) shapes the flow versus disc angle characteristic to approximate an equal-percentage or linear curve per IEC 60534, providing a usable throttling range of approximately 10%–70% disc rotation.
Butterfly control valves offer a compelling economic advantage in large-diameter applications: a 16" butterfly control valve costs 30–50% less than an equivalent globe control valve and has a smaller face-to-face dimension, yet provides comparable flow control performance for the clean, single-phase fluids typical of water, HVAC, and general industrial process applications. For flanged piping Class 150–300, the butterfly control valve is the standard large-diameter control valve in water treatment, power generation, and cooling water systems. Vajra Industrial Solutions supplies double-offset butterfly control valves in sizes 2" to 48" to API 609 and IEC 60534 with pneumatic, electric, and hydraulic actuators and matched HART-communicating positioners.
Where It's Used
Key industries and applications for the High-Performance Butterfly Control Valve
Large-diameter water treatment flow control
Ductile Iron or Carbon Steel butterfly control valves (12"–36") for filter influent flow control, sedimentation tank inlet distribution, and effluent flow measurement bypass; characterised disc provides stable PID control over wide flow range
Power plant cooling water
large-bore butterfly control valves for condenser cooling water flow control and temperature regulation; hydraulic actuated for fast response; saves significant cost versus equivalent globe control valves at 24"+ sizes
HVAC primary chilled and heating water
double-offset butterfly control valves on primary chiller and boiler plant connections for variable primary flow systems; 4-20mA electric actuated with digital positioner and BACnet/Modbus integration
Gas distribution pressure and flow control
Carbon Steel or SS316 butterfly control valves for natural gas and process gas flow control at medium pressures; PTFE seat for bubble-tight shut-off with equal-percentage disc for wide flow range
Chemical and process plant large-bore control
SS316 or Duplex butterfly control valves for large-diameter chemical process flow and pressure control loops in chlor-alkali plants, fertilizer plants, and petrochemical units; metal-seated design for temperatures above PTFE seat limits
How to Choose the Right High-Performance Butterfly Control Valve
Butterfly control valves are the economical choice for large-diameter (typically 6"–48") modulating control of clean, single-phase liquids and gases at Class 150–300 pressures. The usable throttling range is approximately 10%–70% of disc rotation - ensure the minimum controllable Cv at minimum flow corresponds to at least 10% disc rotation. For high ΔP, flashing liquids, erosive fluids, or Class 300+ service, a globe or cage-guided control valve is more appropriate. Always specify a characterised (profiled) disc and a HART positioner for acceptable control loop performance - standard butterfly valves with on/off actuators are not suitable for modulating control.
Popular Configurations
Most commonly ordered specifications for the High-Performance Butterfly Control Valve
Frequently Asked Questions
About High-Performance Butterfly Control Valve - ordering, specs, delivery & compliance
What standards does the High-Performance Butterfly Control Valve comply with?+
Our High-Performance Butterfly Control Valve complies with API 609, IEC 60534. All products are manufactured to international standards and come with full material test reports (MTR), dimensional inspection reports, and hydrostatic test certificates on request.
What materials are available for the High-Performance Butterfly Control Valve?+
The High-Performance Butterfly Control Valve is available in Carbon Steel, Stainless Steel, Duplex. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.
What is the delivery lead time for High-Performance Butterfly Control Valve?+
Standard stock sizes are available for immediate dispatch from our Vadodara warehouse. Custom sizes and special materials typically have a lead time of 2–6 weeks depending on specifications. We serve customers across India within 1–7 business days and export to the Middle East, Southeast Asia, Europe, and the Americas with full export documentation.
Can I get a custom High-Performance Butterfly Control Valve for a specific application?+
Yes. Vajra Industrial Solutions supplies custom-engineered control valves for specific process conditions. Submit your technical requirements - including pressure class, temperature range, fluid type, end connections, and any special trim or coating needs - via our RFQ form or WhatsApp, and our engineering team will respond within 24 hours.
What pressure ratings are available for the High-Performance Butterfly Control Valve?+
The High-Performance Butterfly Control Valve is available in pressure ratings of PN16 / PN25 / PN40, Class 150 / 300. Higher-pressure classes are available for critical service applications in oil & gas, power generation, and chemical processing.
How do I request a quote for the High-Performance Butterfly Control Valve?+
You can request a quote by clicking the "Request Quote" button on this page, filling out our RFQ form at vajravyuh.com/rfq, emailing us at sales@vajravyuh.com, or WhatsApping us directly at +91-9979774557. Please include quantity, size, pressure class, material grade, and end-connection type for the fastest response.
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Other Control Valves
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Single-seated or double-seated globe control valve with cage trim for precise modulating service in process industries.
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Cage Guided Control Valve
High-capacity cage-guided single-seated control valve with anti-cavitation and noise-attenuation trim options.
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Angle Type Control Valve
90° angle body control valve for high-pressure drop, flashing, and erosive fluid services where standard globe valves fail prematurely.
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