Quick Facts
- Pressure regulation with safety shut-off
- VAD/VAG/VAH/VAV function options
- DN 10 to DN 65, pu max 500 mbar
Kromschröder VA Series
Regulators & Safety Valves
ValVario regulators with integrated Class A safety shut-off for compact gas and air control trains.
Selection Guide
VAD
Universal Regulator
Universal pressure regulator with integrated safety shut-off valve.
VAG/VAH
Ratio & Flow Control
VAG offers 1:1 gas/air ratio, while VAH provides flow rate control for proportional systems.
VAV
Variable Ratio
Variable gas/air ratio regulation (up to 3:1) for specialized combustion requirements.
Series Overview
The Kromschröder VA Series (ValVario) combines pressure regulation with Class A safety shut-off in a compact assembly. It supports gas and air applications and offers multiple function variants to match burner requirements.
Key Features
- Integrated Safety Valve: Class A safety shut-off to EN 161 combined with regulators to EN 88.
- Function Options: VAD universal, VAG 1:1 ratio, VAH flow rate, VAV variable ratio up to 3:1.
- Wide Coverage: DN 10 to DN 65 with maximum inlet pressure up to 500 mbar.
Technical Specifications
| Parameter | Value |
|---|---|
| Standard | EN 88 regulator with EN 161 Class A safety valve |
| Media | Gas and air |
| Nominal Sizes | DN 10 to DN 65 (sizes 1-3) |
| Max. Inlet Pressure | Up to 500 mbar |
| Outlet Pressure | Up to 100 mbar |
| Supply Voltage | 24 V DC, 120 V AC, 230 V AC |
All Models
Frequently Asked Questions
What is the primary function of the Kromschroder VA Series?
The Kromschroder VA Series is designed to provide precise and reliable control for industrial combustion systems, ensuring optimal performance, safety, and energy efficiency across various heating applications.
How do I select the right model within the VA Series?
Selecting the correct model depends on your specific application requirements, including operating voltage, required torque or capacity, and control logic (e.g., on-off vs. modulating). Refer to the model overview table above or contact our engineering team for technical assistance.
Are VA Series components suitable for retrofitting existing systems?
Yes, Kromschroder designs the VA Series with standardization in mind, making them excellent choices for both new installations and retrofitting older or legacy combustion systems to meet modern safety and emissions standards.