DGS-PDL is an API 682 Arrangement 3 3NC-BB double-ended dry gas seal. The seal faces non-contacting running.The seal uses a back-to-back arrangement. This configuration can adapt to pump chamber evacuation.The seal prevents process medium leakage to the atmosphere. A small amount of nitrogen enters the pump during operation.
Structure Features
● Multi-spring rotation type
● Lug drive
Applications
DGS-PDL is suitable for pumps handling toxic, hazardous, high-temperature, coke-forming, self-polymerizing, highly corrosive, and particle-laden process media. It is particularly suitable for applications where preventing the release of process media to the environment is a critical requirement.
● Refining and Petrochemical Industry
● Coal Chemical Industry
API 682 Piping Plans
API 682 plan 74
