Bitzer Bitzer Open Type / Bitzer Type 0 Technical Data Displacement ( min. compressor speed) 0, 92 m3/ h 32, 5 CFH Displacement ( max. compressor speed) 1, 8 m3/ h 63, 6 CFH No. of cylinder x bore x stroke 2 x 30 mm x 20 mm 2 x 30 mm x 20 mm Allowed speed range 545 .. 1060 545 .. 1060 Motor pulley 70, 90, 110, 130 mm 70, 90, 110, 130 mm V-belts ( DIN 2215) 1 x 13 1 x 13 Weight 10, 5 kg 23, 2 lb Maximum pressure ( LP/ HP) 19 / 23, 0 bar 275 / 333 psi Connection suction line 10 mm / 3/ 8' 10 mm / 3/ 8' Connection discharge line 10 mm / 3/ 8' 10 mm / 3/ 8' Connection cooling water Oil type R134a / / R404A / / R507A tc55° C: BSE55 ( Option) tc55° C: BSE55 ( Option) Oil type R22 R22 ( R12 / / R502) B5.2 ( Standard) B5.2 ( Standard) Oil charge 0, 35 dm3 12, 32 fl oz .