The CEREX D metering pump, its double diaphragm design, combined with built-in failure detection, delivers superior leak prevention performance compared to single diaphragm pumps with a similar price point. In addition, the CEREX D metering pump is constructed from
standard, proven components held in stock – minimizing build time without compromising on quality.
more info : https://www.spxflow.com/bran-luebbe/products/cerex-d-metering-pump