Replaceable trunnion seal

Reservoir-and-filter system and method of use

Resin filter cartridge

Restraining device for filter cloth

Retractable sediment collecting device for covered basins

Reusable fluid filter and adapter

Reverse centrifugal filter

Reversing flow coalescing system

Roller/squeezer deliquifier

Rotary disc filtration device

Rotary disc filtration device with means to reduce axial forces

Rotary disc filtration process having means to prevent settlemen

Rotary disk filter with backwash

Rotary distribution pipe assembly

Rotary drum filter

Rotary drum vacuum filter for easily eroded cakes

Rotary separator and method

Rotary separator and method

Rotary separator method for manure slurries

Rotatable filter assembly and method of operating same