VKF41.50H Siemens Valve

Overview

The Siemens VKF41.50H is a high-temperature flanged butterfly valve specifically engineered for precise flow control in industrial and commercial combustion systems. Designed to withstand extreme conditions, this 2-inch valve is commonly utilized for managing hot air or flue gas recirculation. Its robust wafer-style construction allows for easy installation between ANSI or DIN flanges, ensuring reliable and long-lasting performance in high-demand heating environments.

Features

• Designed specifically for high-temperature applications up to 550 degrees F
• Bi-directional flow capability for versatile installation
• Metallic tight-closing disk ensures minimal leakage
• 360-degree angle of rotation for full control flexibility
• Compatible with locking manual handles or various Siemens electromotoric actuators
• Durable cast iron housing with a stainless steel disk and shaft
• Compact wafer design for installation between counter-flanges

Specifications

• Model: VKF41.50H
• Size: 2 inches (DN50)
• Maximum Medium Temperature: 550 degrees F (288 degrees C)
• Body Material: Grey cast iron EN-GJL-250
• Disk and Shaft Material: Stainless steel
• Nominal Pressure: PN 16
• Leakage Rate: Less than 0.7% of kvs
• Angular Rotation: 360 degrees
• Mounting: Wafer-style (between PN6, PN10, or PN16 flanges)

Applications

• Flue gas recirculation (FGR) in industrial boilers
• Flow control of hot air in combustion systems
• Burner management and heating system integration
• Industrial and commercial gas-fired equipment
• Environments requiring reliable shut-off or throttling of high-temperature gases