Double seal for working with barrier luids in which the springs are isolated from the luid product. API 53A and API54 assemblies.

Recommended in applications with toxic,pollutant orpotentially dangerous products in which safety is animportant factor.Available with a pumping ring onthe casing to reduce the temperature between thecontact surfaces and facilitate the barrier lui-d movement (reference MSE10-F).Available in a balanced version with a stepped shaft (reference ME10DB). Contact surface kits available.