Operating double-acting sliding ring seal of pump, specifically for transporting cellulose for papermaking, involves withdrawing transported product to act as sealing fluid to inhibit leakage

摘要

In a method for operating a double-acting sliding ring seal of a pump (2), where a sealing fluid exerts sealing pressure on the seal to inhibit leakage of the transported product into the atmosphere, the sealing fluid is withdrawn from the transported product.