DUPLEX 2472/F88A ion-exchange unit
24×72″ housing, Runxin F88A valve
The DUPLEX ion-exchange unit consists of two housings connected in parallel. One of them is always filtering, while the other is in regeneration or standby; when the resin bed in the operating housing is exhausted, the second one takes over. This keeps softening continuous and holds the specified capacity without stopping to restore the resin bed — something a single unit cannot provide.
The purification principle is the same as in single-vessel ion-exchange schemes: water passes through a resin bed, and the ions dissolved in it are replaced by ions released by the resin; by selecting the resin, the task can range from softening and decarbonization to partial or full desalination. The unit is built on Runxin valves in the TWIN design, rated for controlling two housings at once.
Design 2472/F88A: 24×72″ housing, automatic Runxin F88A valve for two housings (TWIN) with side mounting, up to 10 m³/h, side mounting. The valve is designed for softening — regeneration of the ion-exchange resin bed with a reagent solution. Weight 159 kg.
Configuration within the line: vessel size 2472 (24×72″) with control valve Runxin F88A. On the same vessel size 2472 (24×72″) the line also offers Runxin F135A. The same control valve Runxin F88A is fitted on 1865, 3672, 2162 and 3072.
On vessel size 2472 the closest alternatives to Runxin F88A are Runxin F135A (valve mounting top instead of side, weight 156.6 kg instead of 159 kg).
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