Category Archives: Uncategorized

Update for Gold Cup Mechanical Shaft Seals: Special Spring Retainer Needed for the P/M 6/7/8 Frame Sizes with #4 & #5 Shaft Options

Parker Gold Cup PM 687 Spring Retainers

In February, Parker announced the change to part numbers for the Gold Cup mechanical shaft seals. As part of that change, the old seal 623-00016-0 was replaced with a new seal 623-00018-0. However, during implementation, Parker discovered an important compatibility issue: the spring retainer supplied with the new seal did not properly fit Gold Cup […]