Elektrogas Butterfly Valves – VF, VFT, VFH Series
Elektrogas Butterfly Valves – VF, VFT, VFH Series
High-Performance Butterfly Valves for Air and Gas Flow Control
The Elektrogas VF, VFT, and VFH Series butterfly valves are designed for precise regulation of airflow and gas flow in industrial combustion systems. These valves are built with durable materials, advanced sealing technology, and multiple operation options to ensure efficiency, safety, and longevity in heating, ventilation, and combustion applications.
Optimized Performance for Industrial Applications
The Elektrogas VF, VFT, and VFH butterfly valves deliver precise, reliable, and safe control of air and gas flow in industrial burners, combustion systems, and HVAC applications. With superior temperature resistance, multiple connection options, and fail-safe operation, these valves are the ideal choice for efficient gas and airflow management in demanding environments.
Upgrade your gas flow control system with Elektrogas butterfly valves—built for performance, durability, and precision.
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Description
Key Features
1. Durable Construction
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VF/VFT Models: Made from high-quality aluminum, ensuring lightweight strength and resistance to corrosion.
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VFH Model: Constructed from robust cast iron, offering durability for high-temperature applications.
2. Versatile Connection Options
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Available with threaded connections or for installation between EN 1092 flanges to fit various industrial setups.
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VF/VFT models support one-size or two-size reductions for flexible installation.
3. Wide Media Compatibility
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VF/VFT Series: Designed for air and non-aggressive gases in compliance with EN 437.
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VFH Series: Suitable for heated air and flue gas applications in high-temperature environments.
4. Enhanced Leakage Prevention
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Low-leakage performance when closed.
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VFH models feature a butterfly disc stop for improved sealing and reliability.
5. High Precision Adjustment
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VFH models include a double-eccentricity disc and a spring to reduce backlash, ensuring precise control and preventing valve floating.
6. Multiple Operation Methods
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Manual lever, servomotor, or solenoid actuator options for flexible automation and control.
7. Industrial-Grade Durability
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Designed to withstand mechanical, chemical, and thermal stresses in harsh environments.
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Treated with advanced impregnation and surface coatings for improved sturdiness and corrosion resistance.
Technical Specifications
VF, VFT Series
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Connections:
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Threaded: Rp3/4 to Rp2 (ISO 7-1)
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Flanged: DN40 to DN150 (EN 1092 PN16)
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Rotation Angle: Adjustable 0° to 90°
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Temperature Range:
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Ambient: -15°C to +60°C
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Media: -15°C to +60°C (up to +200°C for air-only applications)
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Max. Operating Pressure: 500 mbar (50 kPa)
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Max. Pressure Loss @ Vmax: 150 mbar (15 kPa)
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Materials in Contact with Fluid:
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Aluminum alloy
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Copper alloy
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Stainless steel
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Nitrile rubber (NBR)
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Fluoroelastomer (FPM)
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Polytetrafluoroethylene (PTFE)
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VFH Series
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Connections: Flanged DN40 to DN200 (EN 1092 PN16)
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Rotation Angle: Adjustable 0° to 90°
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Temperature Range:
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Ambient: -15°C to +60°C
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Media: -15°C to +250°C (up to +450°C with dissipators)
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Max. Operating Pressure: 150 mbar (15 kPa)
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Max. Pressure Loss @ Vmax: 45 mbar (4.5 kPa)
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Materials in Contact with Fluid:
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Cast iron
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Stainless steel
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Polytetrafluoroethylene (PTFE)
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