Valve ya solenoid ni mtundu umoza wa vinthu vyakulongozga ukuyimira mtima wa dera la pneumatic ilo kurongosora makora na kugomezgeka kungapangiska mphambano. Na kukura kwa kukula na msinkhu wa msewu, mavavu gha Joosung na mavalvu gha solenoid ghakusangika kuti ghazgore ivyo vikukhumbikwa mu chigaŵa chilichose cha mafakitale - kupangika kuti ghagwirenge ntchito makora chomene na kugwiriskira ntchito nkhongono na kugwiliskira ntchito nkhongono, mtundu umoza na mtundu ukuru na OEM wakusangika kwa ise.
