The oil-free and dry compressing small piston pumps from the PB-2 product line can be used for evacuating, conveying and compressing gases and vapours up to a final vacuum of 80 mbar. Six different ranges with further unique models are available within the product line. (Curve presentation of the standard models, per model range).
The PB-2 product line is equipped with a single-cylinder piston pump with con-rod drive. The piston, rigidly fixed to the con-rod, carries out a tilting motion in the cylinder when moving up and down. The piston rings are therefore more heavily stressed than with a linear drive. The length of the con-rod from the eccentric shaft to the piston is however designed to impart as small a tilting motion as possible to the piston. The eccentric shaft with con-rod is additionally ball-bearing mounted in the carrier plate and does not sit on the motor shaft. This ensures that the motor shaft and the A-side motor bearings are not loaded. This well-thought-out design also ensures a long service life for the mechanical components.
The materials used, such as aluminium for the gas-conducting components, stainless steel for the valves and piping and VITON (FKM) for the diaphragms, open up a wide range of application options with non-aggressive gases.
|Free flow||3.5 l/min||4 l/min||5.8 l/min||6.5 l/min||8 l/min||11 l/min|
|Final vacuum||120 mbar||128 mbar||80 mbar||120 mbar||128 mbar||80 mbar|
|Final pressure (abs.)||4 bar||6 bar||4 bar|
|Hose coupling, suction / pressure||G 1/8"|
|Motor power / r.p.m.||0.07 kW / 1400 min-1||0.09 kW / 2600 min-1|
|Mains requirement / Frequencies||230 V - 50 Hz|
|Noise level||49 dBA bis 57 dBA|
|Permissible gas admission temp.||+ 5 C° bis + 45 C°|
|Permissible ambient temperature||+ 5 C° bis + 45 C°|
|Umgebungs-Temperatur für den Motor||+ 5 C° bis + 45 C°|
|Umgebungs-Temperatur für den Pumpenkopf||+ 5 C° bis + 45 C°|
|Dimensions L x W x H||137 mm x 80 mm x 140 mm|
|Impermeable to gas||nicht möglich|