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General| Brand | Krom Schroder |
|---|---|
| Model | VAS Series |
| Category | Control Unit |
| Language | English |
Provides crucial safety guidelines, warnings, and symbol explanations for safe operation.
Defines symbols used in the document for instructions, actions, and components.
States liability disclaimer for non-compliance and prohibits unauthorized modifications.
Defines the proper application of gas solenoid valves and identifies non-compliant usage.
Details the coding structure used to specify valve models, sizes, and features.
Identifies and labels the physical components of the solenoid valve assembly.
Specifies correct orientation and required space for valve installation to ensure proper function.
Details essential components like strainers and differential pressure orifices for safe and effective installation.
Illustrates different mounting methods for valves, with or without flanges, noting flow direction.
Outlines wiring compliance with EN 60204-1 and specific UL requirements for the NAFTA market.
Describes the methods for making electrical connections using plugs or M20 cable glands.
Explains how to wire the proof of closure switch for monitoring valve status.
Guides on completing the wiring process, including reconnecting terminals and ensuring proper setup.
Provides a step-by-step procedure for checking the gas tightness of the solenoid valve.
Details the commissioning process and how to adjust the valve's flow rate using the cover cap.
Explains how to adjust the valve's opening speed by modifying the damping unit's nozzle screw.
Step-by-step guide for replacing the actuator on valves that do not have a damping unit.
Detailed instructions for replacing the actuator on valves equipped with a damping unit.
Provides instructions for removing and replacing the damping unit of the solenoid valve.
Covers regular checks for tightness, electrical installations, strainer cleaning, and seal replacement.
Describes the function and application of pressure switches for monitoring gas pressures.
Details the VBY bypass and pilot gas valves, including their components and function.
Guides on the correct procedure for mounting bypass and pilot gas valves onto the main unit.
Covers the scope of delivery and mounting procedures for bypass/pilot valves on different VAS valve sizes.
Provides instructions for performing a tightness test on bypass and pilot gas valves.
Details the connection and installation of the TC 1V tightness control device.
Explains the use and ordering of cable gland sets for wiring double solenoid valves.
Describes the purpose and mounting of the attachment block for installing pressure gauges or accessories.
Specifies operating environment conditions, gas types, pressure limits, and standards compliance.
Details seal set contents for maintenance and a special cable gland for condensation prevention.
Presents air flow rate data for various valve models at different pressure loss conditions.
Refers to specific technical information regarding safety standards like EN 61508-2.
States the designed operational lifetime based on switching cycles and years for different valve types.
Covers guidelines for transport, storage, packaging, and environmentally compliant disposal of the product.
Details product certifications, declarations of conformity, and safety integrity level (SIL/PL) ratings.
Lists various agency approvals and certifications obtained by the product, including UL, FM, and CSA.
Mentions China RoHS compliance and provides contact information for technical inquiries and company data.
