RETENTION VALVE; COMPRESSED AIR; NOMINAL DIAMETER: 1/4IN; PRESSURE RATING: 1.5MPA; WORKING PRESSURE: 1MPA; END: THREADED; END DIAMETER: 1/4IN; THREAD TYPE: BSPT; CONSTRUCTION FORM: TWO PART; BODY MATERIAL: CAST ALUMINUM; STEM SEALING MATERIAL: NITRILE RUBBER COMPOSITE; SHUTTER: WITH SPRING; SEAT SEALING MATERIAL: NITRILE RUBBER COMPOUND; REFERENCE/MANUFACTURER: AK2000-02/SMC;