Rotary Vane Vacuum Pump

Choose becker for the best industrial rotary vane pump on the market.
Rotary vane vacuum pump. There have been various improvements. Some models feature integral mufflers and filters to help minimize noise and vibration while filtering debris and. The pumping system consists of a housing 1 an eccentrically installed rotor 2 vanes that move radially under spring force 3 and the inlet andoutlet 4. The standard lubricated rotary vane pump is a single stage pump with an integral closed loop oil circulation system.
Pressure increase by volume reduction is the principle behind rotary vane operation. This design offers excellent service for pressure vacuum or a combination of both. The outlet valve is oil sealed. They have a built in bypass relief valve to prevent pressure buildup.
The rotary vane vacuum pump is an oil sealed vacuum pump meaning that the evacuation chamber is filled with a specifically formulated mineral oil which acts as a sealant and lubricant between the vanes and vacuum pump chamber housing. Motor is open dripproof odp for use in clean dry and well ventilated environments. Rotary vane pumps and all pressure and vacuum pump products available from becker pumps. Barnes of sackville new brunswick who patented it on june 16 1874.
The rotary vane pump is efficient with low to medium viscosity fluids. Pumps are gravity fed and require an elevated liquid source to fully fill the pump before turning on. As the rotor turns centrifugal force causes the vanes to slide out creating vacuum suction at the intake port and pressure at the exhaust port. Oil less rotary vane vacuum pumps are similar to other vane pumps.
The pump rotor is mounted eccentrically in the pump cylinder. Typical vane life is 50 000 hours. Commonly called rotary vane pumps these are designed to pump water at high pressures in low flow applications. A rotary vane vacuum pump is an oil sealed rotary displacement pump.
The inlet valve is designed as a vacuum safety valve that is always open during. Typical volumetric flow rates are between 2 to. Oil lubricated rotary vane vacuum pump. A rotary vane pump is a positive displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity.
In some cases these vanes can have variable length and or be tensioned to maintain contact with the walls as the pump rotates. The construction is heavy duty and compact. In a cylindrical casing a rotor is positioned eccentrically so that it is on the top almost touching the cylinder. Rotary vane vacuum pumps come in either one stage or two stage.
Oil free rotary vane compressor vacuum pump options from grainger feature self adjusting self lubricating vanes and sealed bearings to help provide smooth pulse free airflow. It was invented by charles c. A rotary vane pump or rotary vacuum pump is a positive displacement pump with vanes mounted to an eccentric rotor inside a cavity. Single phase units feature thermal overload protection.