Vacuum pump - Wikipedia

What was known was that suction pumps could not pull water beyond a certain height: 18 Florentine yards according to a measurement taken around 1635. (The conversion to metres is uncertain, but it would be about 9 or 10 metres.) This limit was a concern to irrigation projects, mine drainage, and decorative water ......

Maintaining Irrigation Pumps, Motors, and Engines - ATTRA

Page 2. ATTRA. Maintaining Irrigation Pumps, Motors, and Engines. Suction line joints that are airtight under a vacuum. No high spots where air can collect. .... the motor. Remember that an electric motor is an air-cooled piece of equipment and needs all the ventilation it can get. Excessive heat is a main cause of reduced ......

Products | North America Water | Franklin Electric

Agriculture Franklin's agriculture pumping systems provide stability to increase output, better predict crop yields and keep your animals strong and hydrated. Residential Whether your customers need water for general household use, lawn irrigation or want more water pressure, our pumping systems provide the reliability ......

Diffusion Pump Oil - Alibaba

Diffusion Pump Oil, Wholesale Various High Quality Diffusion Pump Oil Products from Global Diffusion Pump Oil Suppliers and Diffusion Pump Oil Factory, Importer,Exporter at ... Phenyl methyl silicones diffusion pump oil 705 Ultimate pressure 3x10-9 Torr .... Electrical sbmersible diffusion pump oil for vacuum pump....

Oil Well Pump Motors, Inverter Duty ODP - North American Electric

Sep 6, 2017 ... Oil Well Pump ODP Motors designed specifically for use on Oil Well Pumping Units. ... Meets or exceeds NEMA Design D performance standards; High Torque/ High Slip (5 – 8%); Inverter Duty (10:1 Constant Torque); Open Drip Proof; Vacuum Pressure Impregnation for all windings; Thermistors in the ......

Oil Diffusion Pump | ULVAC | Products

ULVAC has drawn on a wealth of experience in evacuation technology to redesign the oil diffusion pumps meeting the demands of a new era. The ULVAC diffusion pumps have been designed for outstanding performance and extremely low running costs....

LEYBONOL LVO 5xx - Diffusion pump oil - Leybold United States

LEYBONOL pump fluids for oil diffusion pumps must exhibit a low vapor pressure at room temperature and must be able to resist thermal decomposition…...

Maintaining Irrigation Pumps, Motors, and Engines | ATTRA ...

Remember that an electric motor is an air-cooled piece of equipment and needs all the ventilation it can get. Excessive heat ... Regular maintenance is especially critical for 3600 rpm motors and pumps. ... Change oil in reduced voltage starters, using an oil recommended by the manufacturer....