No Dynamic Seals

Isocyanates, when exposed to air, tend to form crystals that generate premature wear in pumps with dynamic seals while Polyols, especially those contain- ing abrasive fillers, are equally as destructive to seals and bearings. The Hydra-Cell multi-diaphragm pump has no dynamic seals and consequently handles abrasive particles with ease, significantly reducing maintenance costs.

Now with new PTFE diaph- ragms, chemical compatibility and service life are no longer concerns. Hydra-Cell pumps with these new diaphragms have been tested extensively and shown to be able to operate reliably at full flow under flooded suction conditions.