The diaphragm is the beating heart of our pumps. The main feature of a good diaphragm is resistance to the continuous stresses and the plurality of chemical agents it comes into contact with.
To meet these requirements, Comet has developed CHEMGUARD, a new diaphragm made from an innovative material to prevent any chemical
aggression even in the most severe uses: PSK by Comet, which is a polymer with special treatments making it stronger and more durable.

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