Mechanical seals in the circulation pump of the Nocchi A2LD 65-160 D heating system (Pentair Water) are made in materials: carborundum/carborundum, the ring gasket is ethylene propylene rubber. Our specialists replaced the mechanical seals with R-MG12 Read more →

The AL -1154/4 pump requires a shaft seal. Medium-ethylene glycol solution. Installed on the ice arena. The supplied ones work for 1-2 years. What this may be related to. The estimated ambient temperature is -10/-15, but it can be lower. The phenomenon of working with discharge is possible, with a lack of glycol (Antifreeze A40). At the same facility, pumps installed in a... Read more →