bids are invited for boq boq compressor , pneumatic trainer kit each consisting of the following matching components and accessories , single acting cylinder , double acting cylinder , 3 by 2 way valve , one way flow control valve , 5 by 2 way valve , 5 by 2 way pneumatic actuated valve , 3 by 2 way roller lever valve , shuttle valve or , two pressure valve and , pressure gauge , manifold with self closing , pushbutton station for electrical signal input , relay station , 3 by 2 way single soleid valve , 5 by 2 way single soleid valve , 5 by 2way double solid valve , power supply unit , profile plate adised aluminium , pneumatic workstation with 40 square mm aluminium profile legs , carrier for mounting components, such as pb and relay boxes. , cut section model for pneumatic components total quantity : 25