Compact Air Bellows - PM/31000

Description: Compact Air Bellows PM/31000 is available in sizes ranging from ? 2_″ to 12'. It is ideal for short stroke and high force applications. The technical specifications include the following compressed air, non-lubricated; operation - single acting; operating pressure - 8 bar maximum; operation - single acting; operating pressure - 8 bar maximum; operating temperature - -40ºC to +70ºC for PM/31000 (standard), -25ºC to +90ºC for TPM/31000 (Butyl) and -20ºC to +115ºC for EPM/31000 (epichlore); stroke lengths - from 20 to 315 mm max., depending on diameters and number of convolutions; materials: end plates - plastic (?2_, 6') aluminium (? 4') zinc-chromated steel (? 8, 9¼ 12'); central ring - plastic, aluminium or zinc-chromated steel; rubber ring - plastic, aluminium or zinc-chromated steel; rubber part - PM/31000 - fabric reinforced NR-, SBR-, BR-compound rubber; TPM/31000 - fabric reinforced butyl, and EPM/31000 - fabric reinforced epichlore. It compact and requires no maintenance or lubrication.