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- 2026-10-17
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Flamco Airfix D Diaphragm Pressure Expansion Vessel Installation and Operating Instructions
The document serves as an installation and operating guide for the Flamco Airfix D diaphragm pressure expansion vessel. It details compliance with EU Directive 97/23/EC, safety requirements regarding pressure reducing valves, and specific mounting instructions based on vessel capacity (8-25 litres vs 35 litres). The manual emphasizes that the vessel must be used in combination with an Airfix TD T-piece for flow-through function approval.
Covers: General · Installation · Commissioning · Maintenance · De-installation · Safety requirements
Latest flamco manuals
Flamco Airfix D Diaphragm Pressure Expansion Vessel Installation and Operating Instructions
User Manual 24 pages · 1.8 MB · ENThis manual provides installation, operation, and maintenance instructions for the Flamco Airfix D diaphragm pressure expansion vessel used in potable water…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in flamco manuals
What safety accessory is required upstream of the Airfix D?
A pressure reducing valve must be fitted upstream in the pipeline after the water meter to ensure constant pressure.
From: Flamco Airfix D Diaphragm Pressure Expansion Vessel Installation and Operating Instructions
Can the Airfix D be used without the Airfix TD T-piece?
No, the vessel will not have the required flow-through function for DVGW or KIWA approval without the Airfix TD.
From: Flamco Airfix D Diaphragm Pressure Expansion Vessel Installation and Operating Instructions