VGD40.080L Siemens Gas Valve

Overview

The Siemens VGD40.080L is a high-performance double gas valve body designed for industrial and commercial burner applications. Part of the VGD series, this 3-inch (DN80) flanged valve consists of two safety shut-off valves in series, engineered to provide reliable gas control when combined with Siemens SKP series electro-hydraulic actuators. The “L” variant features an inverted mounting configuration for the pressure switch and pilot gas plates, allowing for more flexible installation in tight gas train layouts.

Features

• Compact double-valve design reduces the overall size and weight of the gas train
• Normally closed safety shut-off valves conform to EN 161 standards
• Inverted mounting plates for pressure switches and pilot gas connections provide installation versatility
• Integrated stainless steel mesh strainer at the inlet protects the valve seats and downstream components from debris
• Patented double-seat construction with individual closing springs ensures high flow capacity and reliable shut-off
• Modular design allows for the mounting of actuators while the valve is under pressure

Specifications

• Model: VGD40.080L
• Nominal Size: 3 inches / DN 80
• Connection Type: Flanged (Inverted configuration)
• Flow Rate: 250 m3/h (at dp = 1 kPa)
• Maximum Operating Pressure: 70 kPa (700 mbar)
• Permissible Gases: Gas families I, II, and III (Natural gas, propane, butane, and air)
• Operating Temperature: -15 C to 60 C
• Material: Die-cast aluminum valve body
• Protection Rating: IP54 (when combined with appropriate actuators)

Applications

• Industrial and commercial gas-fired combustion plants
• Gas trains in connection with forced draft gas burners
• Used as a shut-off valve when paired with SKP15 actuators
• Used as a control valve with shut-off, pressure regulation, or air-gas ratio control when paired with SKP25, SKP55, or SKP75 actuators
• Suitable for high-demand burner startup cycles in HVAC and boiler systems