Blowdown Vessels

Information on & Our Extensive Range of Blowdown Vessels

Helping You Choose the Right Blowdown Vessel

Thermotech blowdown vessels are manufactured to suit an extensive range of boilers, from small electric Hospital boilers to large Industrial systems. Thermotech blowdown vessels are manufactured to certified designs, are manufactured to Australian Standards, and are supplied complete with a manufacturer’s data report. Only certified and approved materials are used in the vessel’s construction, with all materials being identified and included in the MDR with welding reports.

Blow down chiller | Queensland | East Coast Steam

What to Consider

Consider the following when ordering the blowdown vessels:

Ensure the blowdown vessel has a registered design approval number and is supplied with a manufacturer’s data report.

Make sure the blowdown vessel design pressure is rated at 700 kpa, or 25% of the boiler operating pressure, whichever is lower. Ref AS4041.

Ensure the vessel is sufficiently sized for the boiler; remember, blowdown vessels are designed to displace cool water down to the sewer.

Australian Standards specify that water temperature entering the sewer is no greater than 38 deg C.

If a large amount of blowdown is projected, consideration should be given to installing a heat recovery system to optimise the system.

If there is a likelihood of hot water being passed to the sewer, consideration may be given to a cooling system to be installed; remember, plastic drain pipes in concrete slabs are difficult to repair when they have melted.