VKF41.65C Siemens Valve

Overview

The Siemens VKF41.65C is a high-performance butterfly valve specifically designed for the precise control of gas and air in combustion plants. Part of the Acvatix family, this flanged valve is engineered for integration into gas trains and is suitable for a wide range of industrial and commercial burner applications. It features a robust design with a metallically tight-closing disk to ensure minimal leakage and reliable shut-off when used as a controlling device.

Features

• Designed for installation between counter-flanges for easy integration into existing gas trains
• Metallically tight-closing disk provides a high degree of shut-off reliability
• Maintenance-free design reduces long-term operational costs
• Capable of accommodating flow in either direction for versatile installation
• Compatible with a variety of Siemens actuators, including the SQM and SAL series, when using the appropriate mounting kits
• Robust stainless steel disk and spindle for enhanced durability and corrosion resistance

Specifications

• Model: VKF41.65C
• Nominal Diameter: 2.5 inches (DN65)
• Angle of Rotation: 85 degrees
• Leakage Rate: Less than 0.7% of kvs
• Operating Pressure: Up to 20 psig (-35 to 140 kPa)
• Temperature Range: -20 C to +60 C (-4 F to 140 F)
• Body Material: Cast iron
• Disk and Spindle Material: Stainless steel
• Protection Class: PN6, PN10, and PN16 compatible

Applications

• Control of air and gas flow in industrial and commercial combustion systems
• Integration into gas trains for gas-fired equipment such as burners and boilers
• Supervision and regulation of gases including air, natural gas, and propane
• Use in HVAC systems for chilled and low-temperature hot water in closed circuits (standard VKF41 models)
• Suitable for use by OEMs for integration into specialized heating products